Answer:
-Cells are the basic units of structure and function for living things.
-All living things are made of cells.
-All cells come from pre-existing cells.
Explanation:
Which of the following would be a good question for an interviewee to ask during an interview?
a.
What does this company do?
b.
How much time do you give for breaks?
c.
Do you have a training program for this position?
d.
How long do I have to work before I get a raise?
Answer:
c
Explanation:
clearly
for pancreatic lipase to effectively digest the fat, the large lipid droplets must first be mechanically separated into smaller droplets; this process is called
The process through which large lipid droplets are mechanically separated into smaller droplets to enable the effective digestion of fats by pancreatic lipase is referred to as emulsification.
Emulsification is the process through which large lipid droplets are mechanically separated into smaller droplets to enable the effective digestion of fats by pancreatic lipase.
Pancreatic lipase is a type of enzyme that is primarily responsible for the breakdown and digestion of lipids, which are fats and oil molecules.
These enzymes are produced by the pancreas, which is an important organ responsible for the production of digestive enzymes that aid in digestion.
Emulsification allows pancreatic lipase to digest fats more effectively by breaking down large lipid droplets into smaller droplets.
The smaller droplets provide a much larger surface area for the lipase enzymes to work on, thereby speeding up the digestive process.
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1. All living things are organized.*
True
O False
2. Which of the following are examples of homeostasis?
pH
using your brain to think
body temperature
3. Reproduction can occur in both single celled organisms and multi-cellular
organisms
O True
O False
Answer:
true the are all organized
Arwan finds a piece of quartz while hiking in the mountains. When he returns to school, he takes it to his science teacher. She helps him determine the mass to be 788.9 g. She also tells Arwan that the density of quartz is 2.6 .
The volume of Arwan’s piece of quartz is 303.42 cm³
What is volume?Volume is described as a measure of occupied three-dimensional space or the amount of space that a substance or object occupies, or that is enclosed within a container.
Mass of the Quartz piece brought by Arwan = 788.9 g
Density of the quartz = 2.6g/ cm³
Density of the substance is described as mass present in per unit volume of the substance. It is measured in gram per centimeter cube.
Density = mass/volume
2.6 = 788.9/ volume
volume = 303.42 cm³ .
Density is denoted as mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume.
Density has the units of measurement in mass divided by volume such as grams per centimeters cube (g/cm3) or kilograms per liter (kg/l)
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The complete question is:
Arwan finds a piece of quartz while hiking in the mountains. When he returns to school, he takes it to his science teacher. She helps him determine the mass to be 788.9 g. She also tells Arwan that the density of quartz is 2.6 . What is the volume of Arwan’s piece of quartz?
Dietary fibers from foods such as oatmeal, brown rice, and popcorn are beneficial because
a) they slow down the digestion of carbohydrates.
b) they speed up the digestion of carbohydrates.
c) they rapidly increase blood glucose levels.
d) they help digest cellulose.
e) all of the above
Dietary fibers from foods such as oatmeal, brown rice, and popcorn are beneficial because they slow down the digestion of carbohydrates. So, option E is accurate.
Fiber-rich foods contain complex carbohydrates that are not easily broken down by digestive enzymes. As a result, these fibers slow down the digestion process, leading to a gradual release of glucose into the bloodstream. This slower digestion helps regulate blood glucose levels and prevents rapid spikes in blood sugar. Additionally, dietary fibers add bulk to the stool, promoting regular bowel movements and aiding in digestive health. However, it's important to note that fibers do not directly digest cellulose, but they contribute to overall digestive health and the elimination of waste.
Therefore, option "e) all of the above" is not correct in this case.
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When people breed animals from the same breed, it leads to increased or decreased gene variation in the offspring.
Answer:
decreased
Explanation:
Answer:
it increase
Explanation:
explain the difference the structure of free and bound ribosomes.
Answer:
Hello! See the explanation below for an idea of the difference between free and bound ribosomes.
Explanation:
"Membrane-bound and free ribosomes are structurally and functionally identical. They differ only in the proteins they are making at any given time."
Equipment to measure physiological activity during sexual activity was designed by ______________________.a. Freudb. Skinnerc. Kinseyd. Masters and Johnson
Equipment to measure physiological activity during sexual activity was designed by Masters and Johnson.
What is physiological activity?The normal function of an organism is referred to as physiological activity. It might relate to individual organs or the entire organism.
A physiological activity is the act of a human eating, sleeping, or even thinking. Physiology is divided into 10 separate systems that are critical to the life and operation of the human body. The circulatory, neurological, digestive, endocrine, immunological, muscular, renal, reproductive, respiratory, and skeletal systems are among them.
Homeostasis, or the body's capacity to regulate itself regardless of its surroundings, is the foundation of physiology. It is the function that drives activity in each of the body's systems, as each system operates alone or in collaboration with other systems to maximize health.
Here,
Masters and Johnson created equipment to detect physiological activity during sexual engagement.
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1.23 Why is an ISA unlikely to change between successive generations of microarchitectures that implement it
An ISA (Instruction Set Architecture) is unlikely to change significantly between successive generations of microarchitectures that implement it because it represents the interface between software and hardware.
The ISA defines the set of instructions that a processor can execute and the way in which those instructions are encoded. It also defines the way in which the processor interacts with memory, input/output devices, and other components of a computer system.
Changing the ISA can have significant implications for software compatibility, as software is typically written to target a specific ISA. Changing the ISA could make existing software incompatible with the new microarchitecture, requiring software developers to rewrite and recompile their code.
This could be a significant barrier to adoption, as users may be reluctant to upgrade if it means their existing software will no longer work.
Additionally, changing the ISA could require significant changes to the microarchitecture itself, as the hardware must be designed to execute the new instructions and interact with memory and other components in a different way.
This could increase the complexity and cost of development, as well as the risk of introducing new bugs or performance issues.
Therefore, ISA designers and microarchitecture developers often strive to maintain compatibility between successive generations of microarchitectures to minimize the impact on software and the cost of development.
This may involve making small, incremental changes to the ISA to add new instructions or improve performance, while maintaining overall compatibility with existing software.
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true or false
Mutations are the ultimate source of genetic variation.
Explanation:
genetic variation is partially because of mutations, but mostly because of the random genes selected from your parents. so I wouldn't say its the ultimate source of genetic variation, but it is A source.
Describe and explain the result found by centrifuging a mixture of DNA from gen 0 and 2. (2)
DNA from generations 0 and 2 can be separated based on size and density by centrifuging a combination of the two.
Depending on their size and density, the DNA fragments will move towards the bottom of the tube during centrifugation at various rates. The smaller, less dense fragments will settle at the tube's bottom after the larger, denser fragments. As a result, based on their size and density, the DNA fragments from generation 2 will be distinguished from the fragments from generation 0. The genetic mechanisms underlying these changes in DNA over successive generations, such as mutations and size variations, can be understood using this distinction.
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Tsunamis are the result of
Answer:
Powerful underwater earthquakes.
Explanation:
Answer:
A tsunami is a series of large waves generated by an abrupt movement on the ocean floor that can result from an earthquake, an underwater landslide, a volcanic eruption or - very rarely - a large meteorite strike. However, powerful undersea earthquakes are responsible for most tsunamis
Explanation:
Which hormone functions to maintain pregnancy in mammals?
The hormone that functions to maintain pregnancy in mammals is progesterone. Progesterone is produced by the corpus luteum in the ovary after ovulation and helps to prepare the uterus for implantation of the fertilized egg. During pregnancy, progesterone is produced by the placenta to maintain the pregnancy and to prevent the uterus from contracting and expelling the developing fetus. Progesterone also helps to prepare the breasts for lactation.
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50 points please help
Answer:
h2N in P--O
Explanation:
youre welcome :3
Answer:
h2N in P-OExplanation:
Please give brainiest
The group of organs that regulate the body by secreting hormones into the bloodstream is called: __________
The group of organs that regulate the body by secreting hormones into the bloodstream is called the endocrine system.
What is the endocrine system?The endocrine system is а network of glаnds thаt secrete chemicаls cаlled hormones to help the body function properly. Hormones аre chemicаl signаls thаt coordinаte а rаnge of bodily functions.
The endocrine system works to regulаte certаin internаl processes. Endocrine glаnds secrete hormones internаlly, using the bloodstreаm. We hаve glаnds аll over your body, including in the neck, brаin аnd reproductive orgаns. Some glаnds аre tiny, аbout the size of а grаin of rice or а peа. The lаrgest glаnd is the pаncreаs, which is аbout 6 inches long.
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Explain why meiosis and random fertilization alone will not alter the frequency of alleles or genotypes in a population. List the five conditions that must be met for a population to remain in Hardy-Weinberg equilibrium.
Answer:
1. No mutation
2. Random mating
3. No natural selection
4. Large population size
5. No gene flow (No migration)
Explanation: The frequency is also determined by natural and s**ual selection
please explain how an increase of CO2 in the blood will effect the
URINE pH (explain the mechanism, will it increase or decrease urine
pH?)
When an increase in carbon dioxide (CO2) occurs in the blood, it leads to an increase in the acidity of the blood. This is because when CO2 levels in the blood rise, carbonic acid levels also rise, causing a decrease in blood pH. In response, the body will try to eliminate the excess CO2 by increasing respiration.
When an increase in carbon dioxide (CO2) occurs in the blood, it leads to an increase in the acidity of the blood. This is because when CO2 levels in the blood rise, carbonic acid levels also rise, causing a decrease in blood pH. In response, the body will try to eliminate the excess CO2 by increasing respiration. The increase in respiration leads to the elimination of carbon dioxide from the body via exhalation. This process restores blood pH to its normal level.
The kidneys also play a role in regulating blood pH. They excrete excess hydrogen ions (H+) into the urine to maintain the balance of acids and bases in the blood. When blood pH falls, the kidneys excrete more H+ into the urine, causing urine to become more acidic.
Conversely, when blood pH rises, the kidneys excrete fewer H+ into the urine, causing urine to become more alkaline. Therefore, an increase in CO2 levels in the blood will lead to an increase in acidity, causing the kidneys to excrete more H+ into the urine, which will decrease the urine pH.
This is because the excess CO2 in the blood leads to an increase in the production of carbonic acid, which dissociates into bicarbonate ions (HCO3-) and H+ ions. The H+ ions are then excreted by the kidneys into the urine, causing a decrease in urine pH. Hence, an increase in CO2 levels in the blood will cause a decrease in urine pH. This mechanism helps to maintain the body's acid-base balance.
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Advocates for organic farming claim that their methods result in a number of benefits to farmers, consumers, and the environment. Scientists now plan to study the claims that organic farming advocates make by developing testable hypotheses about the economic and environmental benefits of growing organic foods. The scientists plan to collect data from farmers and other producers. Which hypothesis should the scientists use
Answer:
''Organic farming reduces the cost of farming that benefits the farmers economically and also better the environment.''
Explanation:
The hypothesis i.e. ''Organic farming reduces the cost of farming that benefits the farmers economically and also better the environment.'' This hypothesis can be tested by the scientists by taking two fields in different location having same environmental conditions. One field they apply conventional farming whereas other field apply only organic materials and no chemicals. We can see that the cost on expensive fertilizers, pesticides and weedicides can't used in organic farming so it is economically benefitted to the farmers as well as no pollution occurs which happens due to the use of chemicals. Moreover, the price of organic food is 3 times higher due to its non-hazardous nature.
Which would be the most dangerous to swallow?
A. thermoacidophiles
B. halophiles
C. Escherichia coli
D. a bacteriophage
Answer:
D. a bacteriophage
Explanation:
A. and B. need extreme environments to survive.
C. is actually beneficial to us, especially in the digestive tract.
D. is a type of virus!
Describe what would happen to the universe in
terms of size and temperature if you were able to
go back in time.
According to current scientific understanding, if one were able to go back in time, several things would happen to the universe in terms of size and temperature.
What is the correlation between size and temperature?Firstly, as one goes back in time towards the early universe, the universe becomes smaller and denser. This is because the universe has been expanding since the Big Bang, and going back in time means going back to a point where the universe was more compact. The exact size and density of the universe at a given point in time would depend on the specific time being considered.
Secondly, as the universe becomes smaller and denser, its temperature would increase. This is because as the universe becomes more compressed, there would be more collisions between particles, releasing energy in the form of heat. At very early times, the universe was so hot and dense that even protons and neutrons had not yet formed, and the universe was filled with a hot, dense plasma of subatomic particles.
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What can be used as evidence for evolution? (select all that apply)
A) Body parts of different species that are similar in structure and location.
B) Any common function of structures between species (i.e. birds and insects both have wings)
C) Structures in modern species that are unused and unnecessary, but were used by past species.
D) Similarities of embryos from different species.
E) Fossil records showing structures and locations of species.
a friend in your biology study group claims that eggs in mosses are fertilized by spores. what is wrong with that statemin all cells, separation of replicated chromosomes is a prerequisite for cell division. however, the mechanism of chromosome separation in bacteria is distinct from that in eukaryotes in several ways.nt?
The statement is incorrect because mosses are non-vascular plants and do not have eggs, they have spores.
In mosses, asexual reproduction is a common method of reproduction where new plants are produced from parts of the parent plant. Fragments are one type of asexual reproduction in mosses where pieces of the parent plant break off and grow into new individuals. This process does not involve fertilization or the fusion of gametes. Instead, the fragments develop into new plants that are genetically identical to the parent plant. Asexual reproduction in mosses allows for rapid colonization of new habitats and the production of large populations without the need for sexual reproduction. This is a crucial adaptation for survival in environments with limited resources, where sexual reproduction may not be efficient or possible.
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Which of these is the primary site of protein synthesis? mitochondria cytoplasm nucleus ribosomes
Answer:
A. Ribosome
Explanation:
Ribosome is a sub cellular structure, that is involved in protein synthesis.
Mitochondria is a sub cellular structure, where cellular respiration takes place, therefore it is called the energy house of the cell.
Cytoplasm is a jelly like structure in which sub cellular structures are found.
Nucleus is the main part of the cell in which all cellular activity is controlled by.
It contains DNA and RNA.
Nucleus is mostly known for it's thread like structure that contains hereditary information which is passed from parents to offspring.
Hope it helps ;) ❤❤❤
The primary site of protein synthesis is the ribosome.
The ribosome is a small spherical organelle with two subunits that serve as the site for protein synthesis. During the synthesis of protein, mRNA binds to the ribosome and the genetic codes get translated to their respective amino acids and linked together.
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how many million metric tons (mmt) of energy-related co2 were released in 2018.how did this compare with 2008?
5.27 million metric tons (mmt) of energy-related \(CO_{2}\) were released in 2018.
Carbon dioxide (\(CO_{2}\)) emissions from all energy-related sources in the United States increased to 5.27 billion metric tons in 2018, a 2.7% increase over 2017. Higher natural gas-related emissions brought on by more severe summer and winter weather as well as a rise in petroleum emissions from transportation, which are tied to a robust economy, were the main causes of the increase.
A data series from the U.S. Energy Information Administration's (EIA) Monthly Energy Review shows that the country's \(CO_{2}\) emissions have decreased six out of the previous ten years and were 12% lower in 2018 than they were in 2005.
According to early figures made public today by the U.S. Energy Information Administration, energy-related \(CO_{2}\) emissions in 2008 decreased by 2.8% from the previous year (EIA). In 2008, the Gross Domestic Product (GDP) increased by a negligible 1.1 percent.At the same time, energy consumption fell by 2.2 percent.
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aging skeletal muscle cells are replaced by _____ as they degenerate and die.
Aging skeletal muscle cells are replaced by connective and adipose tissue as they degenerate and die. The correct answer is option A.
Skeletal muscle cells are striated muscle cells or muscle fibers that are under voluntary control. Skeletal muscle cells are multinucleated and can reach up to several centimeters in length.
They're connected together by connective tissues that form tendons and connect the muscle to bones. In adults, muscle stem cells or satellite cells are important for maintaining skeletal muscle mass.
Muscle stem cells replace dying muscle cells during growth and repair processes. However, with age, muscle stem cells become depleted and are unable to replace the dying muscle cells.
Connective tissue is a tissue that has a structural role in the body. It connects or supports other tissues and organs in the body. It's made up of cells, protein fibers, and a ground substance.
Adipose tissue is a type of connective tissue that stores energy in the form of fat. It's found under the skin and around internal organs, such as the heart and kidneys.
Adipose tissue also has other important functions in the body, including insulation and cushioning of organs. Therefore, aging skeletal muscle cells are replaced by connective and adipose tissue as they degenerate and die.
So, the correct answer is option A) Connective and adipose tissue.
The complete question is -
aging skeletal muscle cells are replaced by _____ as they degenerate and die.
A) Connective and adipose tissue
B) Connective and epithelial tissue
C) Neural and epithelial tissue
D) Adipose and endothelial tissue
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why is that global warming increasing
Answer:
Burning fossil fuels, cutting down forests and farming livestock are the main factors of global warming
Explanation:
for further explanation
2011-2020 was the warmest decade recorded, with global average temperature reaching 1.1°C above pre-industrial levels in 2019. Human-induced global warming is presently increasing at a rate of 0.2°C per decade.
An increase of 2°C compared to the temperature in pre-industrial times is associated with serious negative impacts on to the natural environment and human health and wellbeing, including a much higher risk that dangerous and possibly catastrophic changes in the global environment will occur.
For this reason, the international community has recognised the need to keep warming well below 2°C and pursue efforts to limit it to 1.5°C.
Greenhouse gases
causes_greenhouse_gases
The main driver of climate change is the greenhouse effect. Some gases in the Earth's atmosphere act a bit like the glass in a greenhouse, trapping the sun's heat and stopping it from leaking back into space and causing global warming.
Many of these greenhouse gases occur naturally, but human activities are increasing the concentrations of some of them in the atmosphere, in particular:
carbon dioxide (CO2)
methane
nitrous oxide
fluorinated gases
CO2 produced by human activities is the largest contributor to global warming. By 2020, its concentration in the atmosphere had risen to 48% above its pre-industrial level (before 1750).
Other greenhouse gases are emitted by human activities in smaller quantities. Methane is a more powerful greenhouse gas than CO2, but has a shorter atmospheric lifetime. Nitrous oxide, like CO2, is a long-lived greenhouse gas that accumulates in the atmosphere over decades to centuries. Non-greenhouse gas pollutants, including aerosols like soot, have different warming and cooling effects and are also associated with other issues such as poor air quality.
Natural causes, such as changes in solar radiation or volcanic activity are estimated to have contributed less than plus or minus 0.1°C to total warming between 1890 and 2010.
6. A characteristic common to both diffusion and active transport is that
the movement of molecules occurs
energy is needed
oxygen is moved across a membrane
O
molecules move from low concentration to high concentration
Answer:
oxygen is moved across a membrane O, cause the others are untrue.
The radiometric date of a metamorphic rock most likely represents when the rock was _____.
Answer:
"Heated during metamorphism" is the appropriate response.
Explanation:
Metamorphism, the mineralogical but rather architectural adaptation of rock formations to biochemical circumstances widely divergent from some of those whereby the rock formations were recently established. Improvements caused by atmospheric circumstances, including such compaction, have been considered separate.I need help with this active cell division problem! Will give brainilest!!
Every cell in the body divides through a procedure known mitosis to produce new cells. Due to this, the body grows and changes. The primary objective of mitosis is to replace worn-out cells.
What is cell division and its phases?A cell cycle is a sequence of events that occurs in tandem with a cell's growth and division. The majority of a cell's time occurs in the phase known as interphase, during which it matures, copies its chromosome, and prepares to divide. The cell then completes mitosis, exits interphase, and splits to completion.
What is the importance of cell division?Genetic variation can only be created by cell division. Cell division is an important process in which a unicellular creature transforms into a new organism in unicellular organisms.
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The complete question is -
Where in your body do you think cell division is occurring ? What led you to this conclusion?
anthropologist matt cartmill proposed that the evolution of stereoscopic vision and grasping fingers in the early primates enabled exploitation of a food source plentiful within the eocene forests. this is called the hypothesis.
The arboreal hypothesis.
What is explained by the arboreal hypothesis of primate origins?According to the arboreal theory, monkeys diverged from their forebears by adjusting to living in trees. Grafton Elliot Smith, a neuroanatomist who was primarily interested in the development of the primate brain, made the suggestion in 1912. According to the arboreal hypothesis, monkeys developed by becoming adapted to live in trees. According to this theory, the primates also evolved limbs and hands that aided in grasping. To move among the woods, they also relied on sight rather than smell. Dwelling in trees required the use of hands and feet for grasping, and obtaining small prey played a more significant role in primate evolution than living in trees.
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