Answers
Answer:The Moon has a nearly circular orbit (e=0.05) which is tilted about 5° to the plane of the Earth's orbit. Its average distance from the Earth is 384,400 km. ... Therefore, Earth-bound observers can never see the 'far-side' of the Moon. Tidal forces cause many of the moons of our solar system to have this type of orbit.
Explanation:
Related Questions
Most algae reproduce through:
spores
mitosis
they
seeds
fragmentation
Answers
Answer:
spores
Explanation:
use the right answer from the options if you can't find the exact answer
Which is the main function of carbohydrates in the body?
Answers
Answer:
provide energy to the body
Explanation:
Answer:
Carbohydrates' main function is :
They provide energy to our body.
They also help in maintaining blood glucose levels.
similar between skin cell and fat cell
Answers
Answer:
Initial Vision Step Location
Dipin Ghimire
1. Where does the initial step in vision occur? Optic nerve Ganglion cell Retina OVisual cortex
The initial step in vision occurs in the retina, which is a layer of tissue at the back of the eye that contains light-sensitive cells called photoreceptors. When light enters the eye, it is absorbed by the photoreceptors, which convert it into electrical signals. These signals are then transmitted to other cells in the retina, such as ganglion cells, which transmit the signals to the brain via the optic nerve. The visual cortex, which is located in the brain, processes these signals to create the visual images that we see.
Dipin Ghimire
similar between skin cell and fat cell
Both skin cells and fat cells are types of cells that are found in the human body. Some of the similarities between these two types of cells include:
Both skin cells and fat cells are made up of cell membranes, cytoplasm, and nuclei.
Both types of cells contain organelles such as mitochondria, ribosomes, and endoplasmic reticulum.
Both skin cells and fat cells are capable of dividing and reproducing to maintain the integrity and function of the tissues in which they are found.
Both skin cells and fat cells are essential for the proper functioning of the body and play important roles in maintaining health and well-being.
emmings are small mammals that reproduce quickly. A lemming population often grows so quickly that there is not enough food for all of the lemmings to eat. This results in a decline of the lemming population.
This example best supports the ideas of which scientist?
Answers
In a case whereby Emmings are small mammals that reproduce quickly. A lemming population often grows so quickly .This example best supports the ideas of option A Malthus Principle of Population.
What is Malthus Principle of Population?The Malthusian principle of population, also known as the Malthusian theory of population, was proposed by Thomas Malthus in his 1798 book "An Essay on the Principle of Population."
According to Malthus, population growth is exponential, while the growth of resources is linear. Therefore, if left unchecked, the population will eventually outgrow the available resources, leading to widespread poverty, famine, disease, and ultimately, population decline.
Malthus argued that there are two types of checks that prevent population growth from exceeding available resources: preventive checks, which are actions that people can take to limit population growth, such as postponing marriage or practicing contraception, and positive checks, which are events that limit population growth, such as famine, disease, and war.
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options:
a.Malthus
b.Darwin
Which model is most likely used to show something that happens too slowly to see?
Answers
where is the model? we need to see the model to answer the question
Answer:
a model of a mountain formation
Explanation:
=)
What information can the pharmacy technician enter at the pharmacy counter when a customer presents the prescription?
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A pharmacist checks the medication's correctness before a pharmacist locates, dispenses, packs, and labels it for a patient. Assisting pharmacists with administrative responsibilities like filing paperwork, processing insurance claims, and keeping track of inventory is another possibility.
What specific details does the pharmacy technician write on the prescription label?The label contains details about the patient, the pharmacy, the prescribing doctor, the drug name, strength, form, quantity, directions, dispense date, expiration date, refills, drug description, and auxiliary information.Labeling: Must be professional and neatly applied to the container; must include the name, address, and phone number of the dispensing pharmacy; the prescription number; the names of the physician and the patient; and the date of the prescription.For more information on pharmacy technician kindly visit to
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HELP PLEASEE
Which type of membrane protein is correctly paired with its function?
A) channel protein; allows a specific molecule to pass
B) cell recognition proteins; attachment site for cytoskeleton
C.) receptor proteins: enzymes that initiate a reaction inside the cell
D) carrier proteins; transports water molecules with the concentration gradient
Answers
Answer:
A) Channel Protein
Explanation:
Channel proteins span the membrane and make hydrophilic tunnels across it, allowing their target molecules to pass through by diffusion.
Channels are very selective and will accept only one type of molecule to transport
A channel protein, a type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly.
How many water molecules would be needed to break amylose down into four glucose molecules?
Answers
Answer: 3 molecules of water to break down whatever sugar it is into four glucose molecules
Explanation: Amylose does not break down into four glucose molecules. Amylose acts on some sugar (which is four times larger than glucose, stachyose for example) and produces four glucose molecules.
True/false: If the earths axis were perfectly vertical at 0 degrees we would not have any seasons
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Answer: its true
Explanation:
the seasons are caused because of the tilt. without it, then there are no seasons at all. and because the tilt faces the sun and without that tilt then no seasons
Factors that influence climate worksheet
Answers
Answer:
Elevation or Altitude effect climate. Normally, climatic conditions become colder as altitude increases. ...
Prevailing global wind patterns. ...
Topography. ...
Effects of Geography. ...
Surface of the Earth. ...
Climate change over time.
Explanation:
I think this is the answer
hope it helps
If your good with macromolecules pls answer
Answers
2). A
3). B
4). A
5). C
6). B
7). C
8). C
Humans pump water out of the aquifers in the ground to use in their homes. How would this effect the land on top of the aquifer?
Answers
Tests: Watch the following video https://youtu.be/f6c2cZfOULI Start at 3:20.
What are the independent and dependent variables in this experiment?
Independent:
Dependent:
What is the control and the constants to ensure test validity in this experiment?
Answers
According to the information, we can infer that the Independent variable: Temperature (specifically, the range of temperature). On the other hand, Dependent variable: Distribution of pikas. Additionally, Control: Pikas within their tolerance range of temperature and Constants: Other environmental factors, habitat conditions, and population of pikas.
What are the independent and dependent variables in this experiment?In this experiment, the independent variable is the temperature, specifically the range of temperature. The researcher will manipulate and observe how different temperature ranges affect the distribution of pikas.
The dependent variable is the distribution of pikas. It refers to the geographical or spatial range in which pikas are found. The researcher will measure and analyze how the distribution of pikas changes in response to different temperature ranges.
What is control and the constants to ensure test validity in this experiment?To ensure test validity, a control group of pikas within their tolerance range of temperature needs to be included. This group will experience temperatures within the range they can tolerate, providing a baseline for comparison. By comparing the distribution of pikas in different temperature ranges to the control group, the researcher can determine the impact of temperature on their distribution.
To maintain validity, other environmental factors such as altitude, precipitation, vegetation, and habitat conditions should be kept constant across the experimental groups. Additionally, the population of pikas being studied should be consistent, without any significant changes in population size or genetic composition throughout the experiment. These constants help isolate the effect of temperature on pika distribution and minimize confounding variables.
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1. Which of the following diseases is the first to be vaccinated against?
1. smallpox
2. pertussis
3. influenza
4. polio
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What part of the reproductive system is highlighted in the picture attached? i don’t understand
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The labeled part is URETHRA
The male urethra has a length of 18-22cm and it conveys urine from the urinary bladder to the exterior opening of perineum. It also provides an exit for the semen.
Glycogen phosphorylase (GP) targets the non-reducing ends of glycogen to cleave glycogen and produce one glucose-1P at a time. GP will do this until it is three glucose molecules from the glucose molecule with the branch point - at which time another enzyme takes over the degradation. Which glucose molecule(s) on glycogen are substrates for GP based on this information
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Answer:
Glucose molecules bound together by a-1,4 glycosidic linkages, and they must be >4 glucose molecules away from a branch point.
Explanation:
Glycogen phosphorylase can not degrade the glucose polymer close to the branch point because these sections of the glycogen molecule are to short for the glucose polymer to fit properly into the active site of the GP enzyme. The GP enzyme can therefore only degrade the 'straight' portions of glycogen. To degrade a branch point, a debranching enzyme is required. The debranching enzyme has transferase (cleaves off glucose molecules right before branch point and moves them to the end of another branch) and a-1,6 glycosidic activity which removes the branching glucose.
Glucose molecules are restrained together by a-1,4 glycosidic connections, and they must be >4 glucose molecules missing from a branch issue.
What are Glucose molecules?
Glycogen phosphorylase can not devalue the glucose polymer proximate to the branch pinpoint because these provinces of the glycogen molecule are too quick for the glucose polymer to fit properly into the involved site of the GP enzyme.
The GP enzyme can thus, only impair the 'straight' pieces of glycogen. To degrade a branch point, a debranching enzyme is directed.
The debranching enzyme has transferase (cleaves off glucose molecules correct before the attachment point and carries them to the end of another branch) and a-1,6 glycosidic movement which dismisses the branching glucose.
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Under which of the following circumstances might the nutrient levels in manure be tested?
if it will be sold as fertilizer
if it is thought to contain pathogens
if a farmer or rancher wants to change the nutrients in his or her soil
if a CAFO’s Animal Waste Management Plan (AWMP) is being reevaluated
Answers
Answer: if a farmer or rancher wants to change the nutrients in his or her soil
Explanation:
The nutrients in the manure plays an important role in growth and development of the crops and they improve the fertility of the soil. Certain mineral elements present in the manure can change the pH of the soil which can affect the growth of the plants. Thus the mineral content of the manure should be tested thoroughly before changing the nutrients in the soil by providing the manure to the soil.
Answer:
If the farmer wants to change the nutrients in his or her soil.
Explanation:
Took the test.
The zebra mussel is an invasive species that is thought to have entered the great lakes accidentally attached to the bottom of the ship. The zebra mussel lays 1 million eggs annually, taking over many great lakes' ecosystems. The zebra mussel eats larval fish and algae. Which statement is NOT a possible effect the zebra mussels would have ibn the birds native to the great lakes?
A. The birds must move to new locations to find new food sources since they are all competing for the fish larva.
B. The birds decide to the zebra mussels, changing their diet
C. The bird population will decrease due to the increasing number of zebra mussels.
D. The bird population will become extinct
Answers
TIME REMAINING
18:55
A hypothesis is _______.
a.
a proposed solution to observed phenomena
b.
a question derived from observed phenomena
c.
a testable explanation for observed phenomena
d.
generated as the final step in scientific inquiry
Answers
A hypothesis is a testable explanation for observed phenomena (option C).
What is a hypothesis?A hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation.
A hypothesis is usually constructed prior to the experiment and is a statement that takes the 'IF, THEN' format.
A hypothesis must be subjected to experimentation to affirm it's validity and can either be rejected or accepted. Therefore, option C is correct.
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Subject: Biology
Vocabulary/Important People: On a separate sheet of paper define the vocabulary terms and identify the importance of the people below. *Try this without looking the terms up, it helps you study if you try it on your own first.
Dichotomous Key Phylogeny Evolution Charles Darwin Linneaus
Binomial Nomenclature Homologous Structure Analogous Structure Vestigial Structure
Fossil Record
Comparative Embryology Biogeography Molecular Biology Transitional Organism Anatomy
Common Ancestor
Concept Map: Create a concept map (Example below) to identify how the vocabulary terms and people are related within this unit. For each line describe how the items are related. This is an excellent way to study! The more connections and better descriptions you have the more you understand the concept.
Key Concept 1: Patterns of Evolution
Directions: Using your notes and the other activities we have completed, try to describe each of the learning objectives below.
EVO 1.1(a) Use scientific evidence to justify a claim of an evolutionary relationship between species.
EVO 1.1(b) Describe shared
characteristics (homologies) among organisms that provide evidence for common ancestry
EVO 1.2(a) Create or modify models to illustrate evolutionary relationships.
EVO 1.2(b) Use models of evolutionary relationships to describe and/or analyze how different species are related.
Answers
The explanation of the vocabulary terms include:
Dichotomous Key: A tool used in biology to identify organisms by their characteristics, which can be used to narrow down a list of possibilities through a series of choices.
Phylogeny: The evolutionary history of a group of organisms.
Evolution: The process by which populations of living organisms change over time through natural selection, genetic drift, and other mechanisms, leading to the emergence of new species.
Charles Darwin: A British naturalist who proposed the theory of evolution by natural selection and is considered one of the most important figures in the history of science.
Linnaeus: A Swedish botanist and zoologist, who laid the foundations for the modern system of naming organisms called binomial nomenclature.
Binomial Nomenclature: A system of naming organisms using two Latin names, the first representing the genus and the second representing the species.
Homologous Structures: Structures in different organisms that have a similar underlying structure and development, but may have different functions, suggesting they have a common ancestor.
Analogous Structures: Structures in different organisms that have similar functions but a different underlying structure and development, suggesting they have evolved independently.
Vestigial Structures: Structures in organisms that have little or no function in the organism, but have a function in an organism's ancestors
Fossil Record: The remains or traces of organisms from the past, which can provide evidence for the existence and evolution of extinct species.
Comparative Embryology: The study of the developmental stages of different organisms, which can provide evidence for common ancestry.
Biogeography: The study of the distribution of living organisms and fossils across different regions and through time, which can provide evidence for the evolution of species.
Molecular Biology: The study of the molecular basis of biological activity, which can provide evidence for evolutionary relationships between species through the comparison of DNA and protein sequences.
Transitional Organism: An organism that shows characteristics intermediate between two different groups, suggesting it is a link in the evolutionary chain between them.
Anatomy: The study of the structure and organization of living organisms, which can provide evidence for evolutionary relationships between species.
Common Ancestor: A hypothetical ancestor from which two or more species have evolved, inferred from the similarities and differences in their characteristics.
How to explain the vocabulary?To claim an evolutionary relationship between species, scientists use a combination of evidence from paleontology, comparative anatomy, molecular biology and biogeography. For example, the discovery of transitional fossils that show a gradual transition between the characteristics of two different groups of species, the similarities and differences in the DNA sequences of different species, the similarities in the embryological development of different organisms and the distribution of different species in different regions can provide evidence of evolutionary relationships between species.
Homologous structures are structures in different organisms that have a similar underlying structure and development, but may have different functions. These structures provide evidence for common ancestry because they suggest that the organisms with these structures share a recent common ancestor. Examples of homologous structures include the forelimbs of mammals, birds, and reptiles, which all have the same basic bone structure, despite being adapted for different purposes such as flight, grasping, or digging.
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Please help and I will give brainlest!!
use the image to answer the question
This image of a roller coaster is designed to show important information about potential and kinetic energy. One of these labeled pieces of information is incorrect. Which information is wrong, and why?
A. The spot with the “maximum kinetic energy” should be on the lowest point of the roller coaster, at the far left side on the bottom.
B. The spot marked “maximum gravitational potential energy” should be on the lowest point of the roller coaster, at the far left side on the bottom.
C. The roller coaster would only have kinetic energy at the point labeled “gravitational potential energy and kinetic energy.”
D. The roller coaster would only have potential energy at the point labeled “gravitational potential energy and kinetic energy.”
Answers
According to the scenario of the Roller coaster, the one label piece of information that is incorrect is the roller coaster would only have kinetic energy at the point labeled “gravitational potential energy and kinetic energy.” Thus, the correct option for this question is C.
What is Kinetic energy?Kinetic energy may be defined as a type of energy that is significantly acquired by motion. It is energy that is possessed by an object or thing due to its motion. So, this energy is also known as energy due to motion.
According to the context of this question, the kinetic energy is stored throughout the roller coaster except for the point "maximum gravitational potential energy."
So, the option is fairly untrue or incorrect because it is saying that the roller coaster would only have kinetic energy at the point labeled “gravitational potential energy and kinetic energy.” While kinetic energy is found to be highest at the point of "maximum kinetic energy."
Therefore, the correct option for this question is C.
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the image depicts the anatomical structure of the forelimb of a dolphin and a bat, both mammals. Which hypotheses are consistent with the evolutionary relationship shown by this image? select ALL that apply.
a) bats are more closely related to birds than to dolphins do the similarity in flight
b) dolphins and bats share a common ancestor that is more recent than the one shared with birds
c) amino acid sequences for the cytochrome C analysis of these two species will also be similar
d) the dolphin in the back diverge under different selective pressures, which accounts for their differences
e) embryological comparisons of these two species will show homologies of each other than bats have with birds
Answers
Answer:
D. the dolphin in the back diverge under different selective pressures, which accounts for their difference
Explanation:
I hope this is helps you
Dolphins and bats share a common ancestor that is more recent than the one shared with birds.
Homologous bodiesHomologous organs are those that may or may not perform the same function, but have the same basic structure and the same embryonic development. This means, therefore, that individuals who have these organs have shared ancestry.
Whit this information, we can conclude that dolphins and bats share a common ancestor that is more recent than the one shared with birds.
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Please help meeeee omgggg!!!
Answers
Answer:
Pollination
Explanation:
Bees and other pollinators drink nectar and get pollen on their feet and little pockets. When they go drink from another plant, the pollen falls on the reproductive organ and reproduction has begun.
Hope this helped :)
Answer:
The answer is A.
Explanation:
The answer is A. because for two pants to breed it depends on the pollen.
which of these is a renewable resource?
A) coal
B) geothermal
C) petroleum
D) potash.
Answers
URGENT!! 30 POINTS!!
Most scientists accept the hypothesis that the earliest life forms on earth evolved in an environment quite different from our own. Sort these characteristics based on whether they describe early or modern earth.
-significant amounts of oxygen in the atmosphere
-most of the planet covered in liquid water
-carbon dioxide levels balanced by processes of living organisms
-significant amounts of volatile gases in the atmosphere
-most of the planets water in gaseous form
-large amounts of carbon dioxide in the atmosphere
Answers
Calculate the population density of 900 sheep in a plot of land that is 3.00 km by 2.00km
Answers
The population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.
The population density of 900 sheep in a plot of land that is 3.00 km by 2.00 km can be calculated by dividing the total number of sheep by the area of the land.
First, we need to calculate the area of the land. The area can be found by multiplying the length and width of the plot of land:
Area = length × width = 3.00 km × 2.00 km = 6.00 km²
Next, we divide the total number of sheep by the area to calculate the population density:
Population Density = Total number of sheep / Area = 900 sheep / 6.00 km²
Performing the calculation, we find:
Population Density = 150 sheep/km²
Therefore, the population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.
Population density is a measure of the number of individuals (in this case, sheep) per unit area. By dividing the total number of sheep by the area of the land, we obtain the population density in terms of sheep per square kilometer. In this case, the population density is 150 sheep/km², indicating that there are, on average, 150 sheep within each square kilometer of the land.
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What does it mean to have parfocal objective
Answers
Answer:
Parfocal means that when one objective lens is in focus, then the other objectives will also be in focus. ... Parfocal means that the microscope is self-cleaning and needs no maintenance.
Parfocal is the ability to change objectives with differing powers and have the focus remain sharp. DIN and JIS are the standard objectives of both parfocal but at different distances.
What is parfocal objectives ?A parfocal objective lens which is used in focus despite of changes in magnification, with the use of parfocal lenses it will be most likely be too slight to be significant.
Parfocal lenses are used in microscopy, used in photography, play a major role in many fields, refocusing, change objectives with alternating powers.
When the objectives are parfo-called when you switch from one magnification to the other magnification and the objective lens will always present at a relative focus.
It has the ability to change objectives with differing powers and focus remain sharp; The parfocal distance is the distance from the top of the objective to the object being viewed. DIN and JIS standard objectives are used in both parfocal but at different distances.
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For this discussion post, I read the article “A creator of ‘CRISPR babies’ nears release from prison, where does embryo editing stand?
This article explained how biophysicist He Jiankui, who used the genome editor CRISPR to create the world's first genetically engineered babies, may be released from prison this week.
His November 2018 announcement about gene editing was well received. Still, Fyodor Urnov sees no circumstance that would justify efforts to modify babies genetically. Urnov supports using CRISPR to fix disease-causing mutations after birth. The work has proceeded with little notice, and oversight measures to stop rogue experiments like He's have stalled. A study showed how CRISPR could get rid of a newly fertilized egg of an extra copy of a chromosome. This problem can lead to Down syndrome and other medical conditions. The initial concerns about designer babies centered on CRISPR's sloppiness. But a study of CRISPR-altered human embryos found 16% had these "unintended editing outcomes" at the targeted DNA, and genetic screening of edited IVF embryos might not catch these errors. Stem cell researcher Dietrich Egli hopes to find a way to start and stop CRISPR at the embryo's single-cell stage. In a preprint posted on bioRxiv on 10 March, Egli's group demonstrated a strategy for trisomy, an errant third chromosome, by targeting an extra paternal or maternal chromosome copy with a CRISPR cut at or near its centromere.
If CRISPR does not correct the trisomy in all of the cells in an early embryo, a natural "rescue mechanism" might eliminate the abnormal cells. However, there are still multiple obstacles to overcome. Researchers are trying to use CRISPR to edit human embryos but need help beyond science. Editing the DNA of egg or sperm precursor cells may avoid some of these hurdles, improving the odds of getting it right. Orwig's team is exploring a different route to creating edited sperm stem cells by reprogramming adult human cells into a stem cell state and trying to coax them partly down the pathway that produces sperm. However, reprogrammed adult cells only survive when placed into newborn animals, which is unrealistic for humans. Scientists say the increased awareness of CRISPR's shortcomings has underscored the recklessness of transplanting edited embryos with today's technology. Still, some scientists are openly advocating for the practice.
find something interesting and 1-2 questions about the summary
Answers
One interesting aspect of the article is the discussion around using CRISPR to edit disease-causing mutations after birth, rather than in embryos.
What is the authenticity if genetically modifying babies ?Fyodor Urnov supports this approach and believes that there is no circumstance that would justify modifying babies genetically. This raises the question of whether there is a moral or ethical line that should not be crossed when it comes to genetic modification of humans, even if it is done to prevent or treat disease.
Another interesting point is the potential use of CRISPR to edit the DNA of egg or sperm precursor cells to avoid some of the hurdles of editing embryos. This raises the question of how this approach would be implemented and regulated, as it involves altering the genetic material of potential future offspring before they are even conceived.
Overall, the article highlights the ongoing debate and ethical considerations around the use of CRISPR for genetic modification in humans, as well as the need for continued research and oversight to ensure that any such use is safe and ethical.
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Which describes a Mendelian trait?
A. Humans can have a variety of shoe sizes.
B. Humans can have dimples or no dimples.
C. There are many different skin colors for humans.
O
D. Human height is controlled by many genes.
Answers
Answer:
D. Human height is controlled by many genes.
Explanation:
Human height is controlled by many genes. describes a Mendelian trait.
Height is a model trait that is controlled by variant of genes and not by only one gene. Height is a contribution of many genes because the height of a body consists of different body parts, such as the torso, leg bones, and even the neck.
Hence, the correct option is "D".
Answer:
correct answer is actually b
Explanation:
i just got it wrong
What develops inside the cones of gymnosperms?
Answers
Answer:
Gymnosperms, or seed plants, develop seeds inside their reproductive structures, which are called cones. Each cone usually consists of overlapping scales, with small ovules that contain the plant's female gametes and eventually become seeds. Male gametes are produced in the form of pollen.