Answer:
So, the correct option is 'The causative HIV retrovirus reduces the number of T-helper lymphocytes'.
In which mitotic phase does the process of cytokinesis conclude? (1 point)
O interphase.
O telophase
O prophase.
O metaphase.
When cytokinesis reaches telophase, it has completed the mitotic phase.
Explain about the telophase?Each set of chromosomes produces a nuclear membrane that separates the nuclear DNA from the cytoplasm during telophase. The chromosomes become less tightly wound and more dispersed as a result of uncoiling.
After telophase, there is a process known as cytokinesis in which the cytoplasm is divided into two daughter cells. The outcome of this technique is the generation of genetically identical daughter cells. In mitosis, an even division of each duplicate chromosome occurs. Two identical nuclei are consequently formed during telophase. Because they will behave in the same way, these cells can be used to regenerate damaged cells or to produce complete beings from a single zygote.
To learn more about telophase refer to:
https://brainly.com/question/25823285
#SPJ1
Problem PageQuestion A cell biologist measures the volume of a bacteria cell. The volume is . What is the volume in picoliters? Write your answer as a decimal.
Answer:
This question is incomplete, the complete question is as follows:
A cell biologist measures the volume of a bacteria cell. The volume is 6.741*10^-10 L. What is the volume in picoliters? Write your answer as a decimal.
The answer is 674.1 picolitres (pL)
Explanation:
According to the question, the volume of a bacterial cell is measured by a cell biologist to be 6.741*10^-10 L i.e. 0.0000000006741L (expanded form)
The volume in picolitres and Litres are interconvertible.
1 × 10^12 picolitres = 1L
Hence, 6.741 × 10^-10 L will be 6.741 × 10^-10 × 10^12 pL
= 6.741 × 10^ (12-10)
= 6.741 × 10^ (2)
= 6.741 × 10^2
= 674.1
Hence, the volume of the bacteria cell in 6.741 × 10^-10 L is 674.1 pL
Biologists have observed that kangaroo rats living in desert habitats change their diet from dry seeds to vegetation and insects depending on the season. Based on this information, which statement is most likely true?
The most likely true statement based on the information is that kangaroo rats adapt their diet to changes in their environment and food availability.
Specifically, they shift their diet from dry seeds to vegetation and insects depending on the season. This ability to adapt to changing conditions is an important survival strategy for animals living in harsh environments like deserts, where food resources can be limited and unpredictable. It also highlights the importance of understanding the ecological context in which an organism lives, as well as the complex interactions between organisms and their environment.
Learn more about food availability.
https://brainly.com/question/20982073
#SPJ4
plz help!!!
What is one way we can use agriscience to affect photosynthesis and increase plant growth?
Altering the amount and intensity of light that plants receive
Adding nitrogen to the soil
Reducing the amount of oxygen in the air
Removing glucose molecules from the soil
this is 02.05 plant growth in agriscience foundations 1 flvs
Answer:
Altering the amount and intensity of light that plants receive
Explanation:
Altering the amount and intensity of light that plants receive will drive the rate of reactions of photosynthesis in the plants. This will in turn will lead to plants having a greater capability for yielding more food or fruits through photosynthesis.
However, this altering of the amount and intensity of light in plants should be done adequately, as excessive lighting will reduce the rate of photosynthesis in plants.
The patient has been diagnosed with no Golgi apparatus in the cells. Does this present a problem with the diffusion of glucose across the plasma membrane?
1) No, this does not present a problem because the Golgi apparatus has nothing to do with the maintenance of the phospholipid bilayer and the diffusion of glucose into the cell.
2) Yes, this presents a problem because the Golgi apparatus packages up the transport proteins to be taken to the membrane and embedded in the phospholipid membrane to assist glucose diffusing into cell by active transport. Glucose would not be able to diffuse into the cell.
3) Yes, this presents a problem because the Golgi apparatus packages up the transport proteins to be taken to the membrane and embedded in the phospholipid membrane to assist glucose diffusing along its concentration gradient into the cell. Glucose would not be able to diffuse into the cell.
No, this does not present a problem because the Golgi apparatus has nothing to do with the maintenance of the phospholipid bilayer and the diffusion of glucose into the cell. That is option 1.
What is Golgi apparatus?The Golgi apparatus is an example of the membrane bound organelles that are located within the cell which assists in the transport of materials such as synthesized proteins from within the cell to the exterior.
The molecules that are responsible for the transport of glucose is the glucose transporters (GLUTs) located within the cells, which transport glucose across the plasma membrane by means of a facilitated diffusion mechanism.
It can be concluded that when a patient is diagnosed with absence of Golgi apparatus, to transport of glucose should not be affected because there is not connection between Golgi apparatus and glucose transport within the cells.
Learn more about glucose here:
https://brainly.com/question/27998214
#SPJ1
The _____ control(s) the force of a movement, whereas the_____ control(s) the timing and accuracy of the movement.a.motor cortex; basal gangliab.basal ganglia; motor cortexc.basal ganglia; cerebellumd.cerebellum; basal ganglia
The basal ganglia A movement's force is controlled by the cerebellum, while its timing and accuracy are controlled by the cerebellum.
What determines a movement's force?The Motor Complex The brain is in charge of all voluntary actions of the body. The motor cortex is one of the parts of the brain that is most crucial in regulating these voluntary movements.
What function does the basal ganglia play in motor control?The network of brain cells and nerves that manages your body's voluntary motions includes the basal ganglia as a significant component. Your brain sends movement signals that they can either approve or reject, screening away erroneous or superfluous impulses.
To know more about basal ganglia visit :-
https://brainly.com/question/4109433
#SPJ4
the structure that removes water from cell of euglena is
Answer:
The structure that removes water from cell of euglena is a contractile vacoule.
The structure that removes water from cell of euglena is contractile vacuole.
What is contractile vacuole?The contractile vacuole or one can say CV complex is an osmoregulatory organelle found in free-living amoebae and protozoa.
It regulates intracellular water balance by storing and excreting excess water, enabling cells to survive under hypotonic stress, like that found in pond water.
In freshwater animals lacking cell walls, the contractile vacuole, a multipart organelle that takes water from the cytoplasm to pump it out of the cell, is crucial for maintaining osmotic balance.
Many protists, including Euglena, contain the contractile vacuole, a specialized organelle.
By pumping extra water out of the cell through a hole on the surface, it controls the water balance of the cell.
Thus, contractile vacuole is the answer.
For more details regarding contractile vacuole, visit:
https://brainly.com/question/13948086
#SPJ6
In the current public health model, trying to reduce the impact of disease or injury that has already occurred is an example of ____________________________ prevention.
a. Primary
b. None of the above
c. Secondary
d. Tertiary
Answer:
d. Tertiary prevention.
Tertiary prevention aims to soften the impact of an ongoing illness or injury that has lasting effects.
Explanation:
this is because it has already occurred and no one was able to attend to it. so you trying to work on it makes it unique.
Explain the limitation binomial nominclature (15 marks)
Answer:
- Binomial nomenclature is a widely accepted naming system, which is used in the naming of living things. Multiple native names make it extraordinarily tough to establish an organism globally and maintain an observation of the variety of species. Thus, it creates quite a lot of confusion. To eliminate this confusion, a normal protocol came up. According to it, every organism would have one scientific title which might be utilized by everybody to establish an organism.
What is binomial nomenclature?
Binomial Nomenclature follows a universally accepted naming system, which is used to provide a scientific name to a known organism.
Binomial Nomenclature also known as the binary nomenclature.
It uses two-terms during the nomenclature of a specie (plants, animals, and living organisms) that is why it called two-term naming system.
The scientific name of an organism or binomial nomenclature consists of two words, such as the generic epithet and describes the genus and the specific epithet and refers to the species of the organism.
Both of this term is written in italic and the genus name is capitalized.
Binomial nomenclature was given by Swedish botanist and physician Carl Linnaeus. He also called the founder of modern taxonomy.
Carl Linnaeus described and classified thousands of species of plants and animals in his book Systema Naturae.In this technique, there are particular guidelines that are followed while naming organisms. This normal algorithm is relevant to plants and animals whereas giving them distinctive names inside a given system.There are two worldwide codes such as the International Code of Botanical Nomenclature (ICBN) deal with the biological nomenclature for plants and the International Code of Zoological Nomenclature (ICZN) deal with the biological nomenclature of animals.
These two codes agreed upon by all of the biologists over the world for the naming protocol. These codes ensure that every organism will get a selected identity and that identity is globally recognized.
Summary of the limitation binomial nominclature:
- Some of the main drawbacks of binomial nomenclature are: If two or more names are actually in use in compliance with the priority rule, the appropriate name will be used first and the other names will end up being synonyms because authenticity is synonymous with the senior.
Which statement best describes a function of the proteins embedded in the plasma membrane of cells? *
- They selectively allow certain particles into and out of the cell.
- They attract charges in the cell's environment to give the cell a net charge.
- They provide instructions for the processes in the cell.
-They store the energy required by the rest of the membrane to perform its functions.
Answer:
They selectively allow certain particles into and out of the cell
Explanation:
Proteins in the cell membrane allow some particles to enter and exit the cell. This type of passive transport is called facilitated diffusion.
Non-steroidal hormones can be produced by all of the following except the
pancreas
pituitary gland
hypothalamus
adrenal cortex
Answer: its b i just got done with it
Explanation:
Please answer (will give brainiest)
The phenomenon when positive and negative space change places, as seen in A Shape of Space is called:
The phenomenon when positive and negative space change places, as seen in A Shape of Space is called figure-ground reversal.
An essential component of object recognition through vision is figure-ground organization, a sort of perceptual grouping. A figure from the backdrop can be recognized, in Gestalt psychology. For instance, white sheet is referred to as the "background," and black words on a printed page are referred to as the "figure."
Gestalt psychology was the field from which the idea of figure-ground perception was born. The whole is more (or different), in the Gestalt perspective, than the sum of its parts. The word "form" or "shape" in German is where the word "gestalt" originates.
A number of German psychologists, including Max Wertheimer and Wolfgang Kohler, started looking into several perception-related concepts in the 1920s. These rules control how humans interpret an often-chaotic environment. The Gestalt laws of perceptual organization are a result of their research.
According to the Gestalt theory of perception, individuals make sense of their environment by bringing together various, different pieces to form a coherent whole.
When you look at forms that have been drawn on paper, for instance, your mind is likely to group the shapes according to resemblance or closeness. Things that resemble one another are frequently grouped together. Nearby objects frequently end up grouped together as well.
To know more about figure-ground reversal click here:
https://brainly.com/question/14758009
#SPJ4
A student was asked to prepare a model of the rock cycle as it moves matter slowly through the Earth. The student creates a model, as shown here. In order to revise the model, how should the lettered components be modified in order to create an accurate model? Select all choices that apply.
In this model the student shows how the tree types of rocks are created according to different agents acting on them like temperature, pressure, and erosion. A) Letter A should represent igneous rock that is extruded from magma. D) Letter C should represent metamorphic rock which changes composition under heat and pressure. E) Letter B should represent sedimentary rock that is buried by layers of sand and deposited material.
What is the rock cycle?The rock cycle, also known as the lithological cycle, is the geological process through which rocks transform.
During the cycle, rocks suffer transformations that lead them to change from one type to another, turning into igneous, sedimentary, and metamorphic rocks.
The cycle begins when magma rises to the Earth's surface, where it gets cold, solidifies, and turns into igneous rocks.
Igneous rocks can suffer,
Erosion ⇒ erosive agents ⇒ small rocky fragments deposit and compact ⇒ turn into Sedimentary rocks.Change of temperature and pressure ⇒ under several layers under the group ⇒ turn into Metamorphic rocks. Exposure to extreme temperatures and melting ⇒ deeper zones under the crust ⇒ turn into magma again.Sedimentary rocks are composed of rocky sediments from other rocks and the remains of living beings that get stuck within the sedimentary layers.
Sedimentary rocks can suffer the same three types of transformations,
Erosion ⇒ produce new sedimentary rocks. Changes in temperature and pressure ⇒ turn into metamorphic rocks.Melt ⇒ become magma.Finally, metamorphic rocks are produced underground when other rocks suffer changes.
Metamorphic rocks have two destinies,
become sedimentary rocks ⇒ erosion become magma ⇒ meltingThe correct options are,
A) Letter A should represent igneous rock that is extruded from magma.
D) Letter C should represent metamorphic rock which changes composition under heat and pressure.
E) Letter B should represent sedimentary rock that is buried by layers of sand and deposited material.
Note: Since I could not find the image, I will provide the options at the end of the text, and I will attach a model.
You can learn more about the Rock Cycle at
https://brainly.com/question/987536
#SPJ1
A student was asked to prepare a model of the rock cycle as it moves matter slowly through the Earth.
The student creates a model, as shown here.
In order to revise the model, how should the lettered components be modified in order to create an accurate model?
Select all choices that apply
A) Letter A should represent igneous rock that is extruded from magma,
B) Letters A and B should both be igneous rock, which is found near the
Earth's surface.
C) Letters and B should be sedimentary rock, which is found under layers of other materials
D) Letter C should represent metamorphic rock which changes composition under heat and pressure.
E) Letter B should represent sedimentary rock that is buried by layers of sand and deposited material.
Shredder
Scraper/Grazer
Filter Feeder
Invertebrate Predator
Vertebrate Predator
IIIII
:: Filter water to consume phytoplankton (microalgae) :: Consume leaves and algae and fungi on the leaf surface
:: Consume algae on rocks :: Prey on vertebrates and invertebrates :: Prey on small invertebrates
Match the organism to its proper feeding behavior
Explanation:
The first organism is a Filter Feeder, which filters water to consume phytoplankton (microalgae).
The second organism is a Scraper/Grazer, which consumes leaves and algae and fungi on the leaf surface.
The third organism is a Shredder, which consumes algae on rocks.
The fourth organism is an Invertebrate Predator, which preys on small invertebrates.
The fifth organism is a Vertebrate Predator, which preys on vertebrates and invertebrates.
The________ theory believed personality included three components: ego, superego, and Id.
Answer: freud's psychoanalytic theory
During DNA replication, the continuous daughter strand is the leading strand.Select one:a. Trueb. False
During DNA replication, one new strand is made continuously, as a continuous piece. This is also the leading strand. Therefore, the correct answer is a. True.
Where do light bulbs get their energy from?
Answer:
Light bulbs gets the energy from electricity which makes it light up.
HELP PLS FIRST CORRECT GETS CROWN
A widow’s peak is dominant over a straight hairline. The genotypes of the offspring are WW, Ww, ww, and ww.
A widow’s peak is dominant over a straight hairline. The genotypes of the offspring are WW, Ww, ww, and ww.
What are the phenotypes of the offspring?
2 widow’s peak, 2 straight hairline
3 widow’s peak, 1 straight hairline
1 widow’s peak, 3 straight hairline
4 widow’s peak, 0 straight hairline
Answer:
1 widow’s peak, 3 straight hairline
Explanation:
the uppercase W stands for the dominant gene and there is only one.
Answer:
A
Explanation:
I got it right
Using the Punnett square diagrams, which phenotype is controlled
by a dominant allele?
Two Generations of Pea Plant Crossings
A- Y = yellow
B- y = green
C- Y = Yellow
Answer:
The phenotype controlled by a dominant allele in this case is yellow, which is represented by the capital letter Y.
Explanation:
Circulatory System
Label the following parts:
Heart
Vein
Artery
Capillary
10
The circulatory system, also known as the cardiovascular system.
What is the circulatory system?The heart is a muscular organ located in the chest. It acts as a pump, continuously contracting and relaxing to circulate blood throughout the body. The heart has four chambers: two atria (left and right) and two ventricles (left and right).
Veins transport deoxygenated blood back to the heart from the body tissues. Arteries carry oxygenated blood away from the heart to various organs and tissues. Capillaries the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
Learn more about circulatory system:https://brainly.com/question/29259710
#SPJ1
Which part of the body contains enzymes that break down starch into simple
sugars?
A. Mouth
B. Liver
C. Stomach
D. Brain
Answer:
A. Mouth
Explanation:
The enzymes that break down starch into simple sugars, called amylase, are found in the salivary glands, pancreas and small intestine. This means that they can catalyse this breakdown in the mouth and small intestine.
Answer:
A
Explanation:
Describe the structure of an alveoli? Where are
they found?
Answer:
Alveoli are tiny balloon-shaped structures. They sit at the ends of the branches of your respiratory tree.
Explanation:
Considering the simulation of antibiotic resistance: briefly explain what happens to a diverse population of bacteria if they are treated repeatedly with the same antibiotic and not all of them die. What was the population's antibiotic resistance level before being exposed to the antibiotic (1 sentence)? What happened to the “good” and antibiotic-resistant bacteria when they were exposed to the antibiotic (1-3 sentences)? What was the population's antibiotic resistance level like after antibiotic treatment (1 sentence)?
Answer: A diverse population of bacteria that is treated repeatedly with the same antibiotic and not all of them die will eventually lead to the emergence of antibiotic-resistant bacteria that will thrive and become dominant. The population's antibiotic resistance level before being exposed to the antibiotic was low or non-existent. The "good" bacteria will die while the antibiotic-resistant bacteria will survive and reproduce. After antibiotic treatment, the population's antibiotic resistance level will be higher than before.
Explanation:
Please help me sort this out
Answer:
I need more to help u answer this
if the light intensity decreases then the dissolved oxygen level will decreases because
Some male birds are very colorful and stand out visually in comparison the their drab counterparts. They also may make loud
vocalizations during courtship. These visual and auditory signals may make then more likely to attract predators and be killed.
Evaluate the statements to find the best description for the evolution of male coloration and vocalization in birds.
-0,)
A)
Colorful and vocal birds may be eaten by predators with greater frequency,
so this is a poor adaptation.
B)
Colorful and vocal male birds may attract the most mates and pass on
their genes. This is an adaptive trait.
Colorful and vocal birds mimic their drab counterparts when predators are
nearby, so predators are just as likely to eat any member of the population.
O
D)
Colorful and vocal birds will only mate with colorful and vocal females,
meaning these groups will become a different species from their drab
counterparts.
Answer:
A)
Colorful and vocal birds may be eaten by predators with greater frequency,
so this is a poor adaptation.
Explanation:
Colourful and vocal male birds may attract the most mates and pass on their genes. Therefore, option (B) is correct.
What is evolution?Evolution is the process of gradual change in the characteristics of a population over time through the mechanisms of natural selection, genetic drift, and gene flow, resulting in the emergence of new species.
While it is true that colourful and vocal birds may be more visible to predators and more likely to be eaten, the fact that they have evolved to develop these traits indicates that the benefits of attracting mates and passing on their genes outweigh the risks of predation. Male birds use their coloration and vocalizations to attract females and demonstrate their genetic fitness, and females select mates based on these traits. Therefore, over time, the male birds with the most attractive traits will be more successful at reproducing, leading to the evolution and persistence of these traits in the population.
Learn more about evolution, here:
https://brainly.com/question/13492988
#SPJ2
The gene for the hair pattern called a "widow's peak" is dominant. In a population of 100 people, 50 people have a widow's peak. How many people would you expect to be heterozygous for the trait?
50 people because the widow's peak is dominant. Those who don't have a widow's peak do not have the gene.
If the gene for the hair pattern "widow's peak" is dominant, it means that individuals with at least one dominant allele will express the trait. We would expect 50 people to be heterozygous (Ww) for the widow's peak trait.
Heterozygous refers to a genetic condition in which an individual possesses two different alleles for a specific gene. Alleles are alternate forms of a gene that can code for different variations of a particular trait. In a heterozygous individual, one allele is dominant and the other is recessive.
The dominant allele is expressed in the phenotype, meaning it determines the physical appearance or characteristic, while the recessive allele remains hidden and does not show in the individual's observable traits. The notation for a heterozygous trait is typically represented by two different letters, one for each allele (e.g., Aa).
Assuming that "W" represents the dominant allele for widow's peak, and "w" represents the recessive allele.
Given that 50 people in the population have a widow's peak (homozygous dominant, WW), we can deduce that the other 50 people must have the genotype for heterozygous (Ww) to express the trait.
Learn more about Heterozygous trait, here:
https://brainly.com/question/29793113
#SPJ5
A researcher in Broward County, Florida designed an investigation to test what effect
eating different types of food would have on blood insulin levels. She selected 10 male
subjects who were all 25 years of age and in good health. The experiment took place
over 3 days. At 8:00 a.m. on each day, the subjects ate a meal consisting of only 1 type
of food. They had their blood insulin levels measured after consurning the meal. On Day
1 they ate a high fat diet, on Day 2 they ate a high protein diet, arnd on Day3 they ate a
high sugar diet.
What is the independent variable in this experiment?
Answer:the males age
Explanation: it didn’t change throughout the whole experiment but it can also be the time they took the food also .
Question: What is the mRNA sequence of the Albino Cat? What mutation gave the albino appearance?
DNA SEQUENCE OF NORMAL CAT: CCC TCC TCT GCT
DNA SEQUENCE OF ALBINO CAT: CCT CCT CTG CTG
To change DNA sequence to mRNA sequence, remember uracil replaces thymine in mRNA. A=U; G=C
mRNA SEQUENCE OF NORMAL CAT: GGG AGG AGA CGA
mRNA SEQUENCE OF ALBINO CAT: GGA GGA GAC GAC
The mutation changed the structure of the genes, which changed the structure of the proteins. This changed the function of the genes, which caused the cat to have albino traits.