colchicine is a drug that causes microtubules to break apart (depolymerize). what effect would this drug have on anterograde transport? what would happen in the axon terminal?
Answers
Colchicine will affect anterograde transport because it will disintegrate the microtubules that will be the anterograde transport pathway. Then the material transport will not happen.
Why is the colchicine going to generate this in the axon?The vesicles that are at the axon terminal will move through the microtubules thanks to kinesin, a protein responsible for transporting materials dependent on ATP. When moving it will pass from the soma to the terminal and this will be the anterograde transport. When colchicine enters the system, the microtubule system will disintegrate, which will remove the transport pathway of the vesicles if it is applied to the axon, this will restrict the anterograde transport pathway.
So when this happens, what will happen is that the material generated by the neuron will accumulate in the soma and the material will not be transported. Even colchicine becomes toxic and kills the cell.
Therefore, we can confirm that colchicine will affect anterograde transport because it will disintegrate the microtubules that will be the anterograde transport pathway. Then the material transport will not happen.
To learn more about colchicine visit: https://brainly.com/question/3417925
#SPJ1
Related Questions
the skeletons of mammalian forelimbs represent variations of a structure that was present in their common ancestor. what has most likely caused the variation in forelimbs?
Answers
The variations in forelimbs of the skeletons of mammalian forelimbs are most likely caused by adaptive radiation, genetic drift, mutation, and natural selection.
Explanation:Adaptive radiation Adaptive radiation occurs when a species colonizes a new environment with an array of ecological niches and evolves to exploit these resources. Adaptive radiation can result in a wide variety of organisms being created that are adapted to specific ecological niches, and this can occur in a relatively short amount of time.Genetic drift Genetic drift refers to the random variations in gene frequencies over generations.
It has the potential to cause significant changes in the genetic make-up of a population in a relatively short amount of time, but it is more commonly seen in small populations. Mutation Mutations are random changes in the genetic material of an organism, usually caused by errors in DNA replication. Mutations may be caused by environmental factors such as radiation, or they may be random. Natural selection Natural selection is a mechanism of evolution that occurs when individuals with beneficial adaptations are more likely to survive and reproduce than individuals without these adaptations.
The variations in forelimbs of the skeletons of mammalian forelimbs are most likely caused by adaptive radiation, genetic drift, mutation, and natural selection.
Learn more about forelimbs
https://brainly.com/question/28313674
#SPJ11
Based on their observations, what should the researchers do to further clarify how the availability of the protein outside the cells affects the rate of endocytosis of the protein?.
Answers
Based on the observation that altering the protein concentration changes the protein's availability outside the cells, the scientists should increase the concentration of the protein in the cell’s external environment.
The rate of endocytosis is determined by incubating the cells with various concentration of the protein. Endocytosis is affected by concentration and temperature. Thus, incubation and protein concentration rise alter the rate of endocytosis.
Endocytosis is the biological mechanism through which chemicals enter the cell. The substance to be internalized is surrounded by a cell membrane region, which buds off inside the cell to create a vesicle holding the ingested material. Examples of endocytosis includes pinocytosis and phagocytosis.
To learn more about endocytosis of the protein. Click, https://brainly.com/question/14537096
#SPJ4
What statement is an example of a scientific law?A. All living things are made of microscopic ceils.B. There are no attractive or repulsive forces between gas molecules.C. Energy is neither created nor destroyed, which can be mathematically shown.D. Germs cause disease in living organisms.
Answers
Scientific Laws are used to describe phenomena found in nature, being demonstrable by mathematical equations and therorys of how the determinated event happens. Between the statements in the question the one that can be called an example of a scientific law is the one about energy conservation (C), that says: energy is neither created nor destroyed, which can be mathematically show.
Hey guys! can someone write a summary on the topic of cloning?
Answers
Answer: Cloning describes the processes used to create an exact genetic replica of another cell, tissue or organism. The copied material, which has the same genetic makeup as the original, is referred to as a clone. The most famous clone was a Scottish sheep named Dolly
Explanation:
Answer:
Write your own work. I mean I know you did just had my answer deleted because I called you out the first time. So take the advice
Explanation:
What forms of nitrogen and carbon can be used by plants?.
Answers
Answer:
Nitrate is the form of nitrogen most used by plants for growth and development. Nitrate is the form that can most easily be lost to groundwater. Ammonium taken in by plants is used directly in proteins. This form is not lost as easily from the soil
Now go to the Cerebral Cortex dropdown menu, then go down to Occipital Lobe.
According to the text shown, the occipital lobe sends its conclusions to
A.the medulla and cerebellum
B.optic chiasm
C.the parietal and temporal lobes
D.the frontal lobe
E.the thalamus and cerebellum
Answers
The occipital lobe sends its conclusions to: the thalamus and cerebellum. Option E is the correct answer.
What is occipital lobe?
This refer to the visual processing center of the mammalian brain containing most of the anatomical region of the visual cortex. The primary visual cortex is Brodmann area 17, commonly called V1 (visual one).
The Occipital Lobe the smallest and rear-most of the lobes, is the visual processing hub of your brain. This area processes visual signals and works cooperatively with many other brain areas. It plays a very important role in language and reading, storing memories, recognizing familiar places and faces, etc.
Learn more about occipital lobe on
https://brainly.com/question/29768163
#SPJ1
The profusion of skin colors and physical characteristics of different humans is due to __________.
a. the development of pure races
b. the differences in climate and other living conditions humans encountered as they populated the globe
c. biology rather than evolution
d. the emergence of dominant groups in the last three centuries
Answers
Answer:
D
Explanation:
The family trees and the punett square shows you.
The profusion of skin colors and physical characteristics of different humans is due to the emergence of dominant groups in the last three centuries.
What is profusion of skin colors?The pressure needed to restore microcirculatory blood flow after the removal of a properly planned occlusion is known as skin perfusion pressure (SPP). A non-invasive test is the measurement of Skin Perfusion Pressure (SPP) with laser Doppler.
SPP measures have shown helpful in determining the best levels for amputation as well as in the assessment of peripheral vascular disease (PAD) for both critical limb ischaemia (CLI) and PAD.
Additionally, there is evidence in the literature that SPP measures can be helpful predictors of the potential for wound healing and, more recently, for the exploration of ischaemia over the ischial tuberosity in spinal cord injury patients.
Therefore, The profusion of skin colors and physical characteristics of different humans is due to the emergence of dominant groups in the last three centuries.
To learn more about profusion, refer to the link:
https://brainly.com/question/28357970
#SPJ2
Please can someone pls help me out and tell me if this statement is true or false
Answers
Answer:
False
Explanation:
the offspring would be 100% heterozygous
Answer:
I think it's false
name the diseases caused by deficiency of [A] iodine [B]vitamin c
Answers
Answer:
Deficiency of iodine cause Goitre.
Deficiency of Vitamin C cause Scurvy.
Hope it helps:)
Have a nice day!
Answer:
goitre and scurvy
Explanation:
what is meant by the term "motility" in reference to the gi tract?
Answers
The term "motility" refers to the ability of the gastrointestinal (GI) tract to contract and move its contents along the digestive system.
These contractions are essential for the proper digestion and absorption of food. Motility is regulated by a complex network of nerves and hormones that coordinate the rhythmic contractions of the smooth muscles that make up the walls of the GI tract. If motility is disrupted, it can lead to symptoms such as constipation or diarrhea. Certain conditions, such as irritable bowel syndrome, can also affect GI motility.
Proper GI motility ensures efficient digestion, absorption of nutrients, and expulsion of waste. Abnormal motility can lead to issues like constipation, diarrhea, and other gastrointestinal disorders. In summary, motility is a crucial aspect of the gastrointestinal system's function and overall digestive health.
Learn more about motility here:
https://brainly.com/question/28562038
#SPJ11
Why is rabies not a living thing? Please help
Answers
Answer:
rabies is just a virus which spread to people from the saliva ofanimals which are infected by that. basiclly viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but by theirselves they can do nothing until they enter a living cell.
Explanation:
What type of consumer is a fruit fly?
Answers
Answer: primary
Explanation: herbivores or autotrophs feed on only plants to obtain energy. For instance, cows and goats make good examples of these primary consumers. Flies are considered primary consumers because they mainly eat primary producers
fast!!!
What two physical structures help protect the plant and animal against environmental conditions? (2 points)
Group of answer choices
Bark and feather
Pistil and ovary
Stamen and testes
Stem and skeleton
Answers
Answer:
Bark and feather
Explanation:
The outer covering of a plant is an example of a physical structure. Plants can have a waxy covering, fuzzy hair, feather,bark, thorns, or spines. These outer coverings help protect the plant from harsh weather conditions, predators, and can help reduce water loss. So your answer would be ( Bark and Feather)
The most important physical characteristic of lipids with regard to living organisms is that they:
A) are typically a form of waste product that is difficult to eliminate.
B) are very large and therefore difficult to store.
C) are more dense than water.
D) are hydrophobic.
E) dissolve easily in water.
Answers
The most important physical characteristic of lipids with regard to living organisms is that they are hydrophobic. The correct option is d.
Lipids are a diverse group of biomolecules that include fats, oils, waxes, and steroids. The key physical characteristic of lipids is their hydrophobic nature. Hydrophobic molecules repel or do not mix well with water. This property arises from the structural arrangement of lipids, which typically consist of long hydrocarbon chains that are nonpolar.
The hydrophobic nature of lipids is crucial for living organisms for several reasons. First, lipids serve as a major component of cell membranes, forming a hydrophobic barrier that separates the inside and outside of cells. This barrier helps regulate the flow of substances in and out of cells. Second, lipids are an excellent energy storage molecule. The nonpolar nature of lipids allows them to pack closely together, making them an efficient means of storing energy in the form of fats or oils. Finally, lipids also play a role in insulation, cushioning, and protection of vital organs.
Overall, the hydrophobic nature of lipids is essential for their various functions in living organisms, including cell structure, energy storage, and protection.
Therefore the correct option is d.
To know more about hydrophobic, refer here:
https://brainly.com/question/31824394#
#SPJ11
Darwin's Hypothesis of Evolution by Natural Selection included the observation that populations often grow faster than the food supply and therefore individuals need to compete for resources. Darwin borrowed this idea from the work of:
Answers
Answer:
Thomas Malthus on his essay on population.
Explanation:
Malthus concluded that human population grow faster than the available resources in their environment.However,no matter how this population increases,selection pressure like famine,natural disasters,always keep the population in check,thus maintaining the population size within moderate levels.
He believed the weakest in the population (with little resistance to the selection pressure) will die,thereby reducing the population, encouraging the survival of the fittest,and stabilizing and preventing expulsion.
Darwin, assumed that the surviving organisms in the population must have inherited certain characteristics/traits from their parents,which make them to resist the selection pressures.He called the surviving ones the survival of the fittest by natural selection.
Which of the following statements about randomized clinical trials is FALSE? A. They are controlled experiments. B. They measure the effects of a treatment variable on the prevention of disease progression. C. They have experimental and placebo groups. D. They are time consuming and expensive to conduct. E. They are epidemiological studies.
Answers
The false statement about randomized clinical trials is: E. They are epidemiological studies.
Randomized clinical trials (RCTs) are controlled experiments designed to evaluate the effectiveness of interventions or treatments. They involve assigning participants randomly to different groups, including an experimental group receiving the treatment being studied and a control group receiving either a placebo or standard care.
RCTs aim to measure the effects of the treatment variable, such as a drug or therapy, on outcomes related to disease progression, symptom relief, or other relevant endpoints. They are considered the gold standard for evaluating the efficacy and safety of medical interventions.
However, RCTs are distinct from epidemiological studies, which focus on the distribution, determinants, and patterns of diseases within populations. Epidemiological studies examine factors such as incidence, prevalence, risk factors, and association between exposures and outcomes at the population level.
Therefore, the false statement is E. They are not epidemiological studies
Learn more about epidemiological studies.
https://brainly.com/question/30336687
#SPJ4
a gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect.a preferred sugar prevents transcription of a sugar-metabolizing operon.a protein that changes its conformation upon binding to another molecule, such as a repressor that binds toan inducer.stimulation of transcription by a specific molecule. prevention of gene expression by a specific protein that binds to an operator.a cluster of genes transcribed together into a single mrna and regulated as a group.premature termination of transcription in response to translation of an rna leader.an untranslated region at the 5' end of a bacterial mrna.a strain that synthesizes curtain enzymes regardless of environmental conditions.
Answers
A gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect reporter gene.
A gene created by combining sections of two different genes. Fusion genes and the fusion proteins that result from them can be created in the laboratory or naturally in the body when a piece of DNA from one chromosome moves to another. The most common type of mutation is gene fusions or translocations caused by chromosomal rearrangements. They result in chimeric transcripts or gene deregulation due to the juxtaposition of novel promoter or enhancer regions.
A reporter gene is an exogenous coding region that is linked to a promoter sequence or element in an expression vector and introduced into cells to provide a means of measuring promoter activity.
To learn more about gene fusion and reporter genes, here
https://brainly.com/question/14280393
#SPJ4
Based on Figure 1, what percent of the time required to complete a full cycle do the cells typically spend in interphase?answer choices5355095
Answers
a cell typically spends 95 percent of the time required to complete a full cell cycle in interphase.
cell cycle can be broadly divided into 2 phases:
interphaseM phaseInterphase is the time when the cell prepares for division by going through both cell growth and DNA replication. It is often referred to as the resting phase of the cell cycle. It is further divided into:
The G1 phase: (also known as the "Gap 1") is the time period a cell goes through between the completion of mitosis and the start of genetic material replication. The cell is metabolically active and continues to expand throughout this stage without repeating its DNA.S phase: DNA replication occurs in the S phase (Synthesis), which is the next phase. If the cell's starting DNA content is represented as 2N, replication results in 4N. However, the number of chromosomes does not change; for example, if 2n chromosomes were present during the G1 phase, they would still be present by the conclusion of the S phase. In cells that contain centrioles, the centriole also splits into two centriole pairs.G2 phase: As the cell gets ready to enter the mitotic phase, the G2 phase (also known as the "Gap 2") is where the RNA, proteins, and other macromolecules needed for the expansion of cell organelles, spindle formation, and cell development are created.To know more about the cell cycle try:
https://brainly.com/question/26138006
#SPJ4
Which statement best describes the Earth’s energy budget?
The temperature increases when energy in is greater than energy out, and temperature decreases when energy out is greater than energy in.
The temperature decreases when energy in is greater than energy out, and temperature increases when energy out is greater than energy in.
Energy in never equals energy out.
Energy in and energy out are unrelated.
Answers
Answer:
Earth's energy budget accounts for the balance between the energy that Earth receives from the Sun, and the energy the Earth radiates back into outer space after having been distributed throughout the five components of Earth's climate system. This system is made up of Earth's water, ice, atmosphere, rocky crust, and all living things. Read It And Get your answer
Explanation:
Answer:
Its either A or B Sorry if im wrong
Explanation:
Have a good day!
what does Mitosis mean in science?
Answers
Answer:
it is a tipe of cell
Explanation:
Dodder, a plant with no chlorophyll, grows on a living plant of a different species from which it obtains nutrients. Which pair of terms describes this relationship? 1 parasite and host 2 predators and prey 3 producer and decomposer 4 consumer and scavenger give explanation
Answers
The pair that describes this relationship is that they are parasite and host. That is option 1.
What is a parasite?Parasite is defined as the organism that lives either on or within a host where by it derives nutrients and harms the host.
The dodder plant grows on another plant because it lacks chlorophyll which it would have used to obtain nutrients.
Therefore, The pair that describes this relationship is that they are parasite and host.
Learn more about parasite here:
https://brainly.com/question/16712707
#SPJ1
When covalent bonds form. the amount of energy present decreases. What happens to the stability of the atoms in the bond?
Answers
What specific type of symmetry does a sea star have?
Answers
Answer:
radial symmetry
Starfish have radial symmetry with each arm portion of the starfish identical to each of the other regions
Explanation:
mark brainliest please
Answer:
A typical Star fish has five side of symmetry with no clear head the star fish can move in any directions and it is led by anyone of its five arms . Starfish has a radial symmetry .
I guess this might help u out
The palisade layer
A. contains chloroplasts
B. is where photosynthesis happens
C. is located in a plant leaves
D. all of the above
Answers
Answer:
Answer is D, all of the above.
Increased motion in the particles in a liquid allows the particles to ____
stop their flow
hold their shape
slip past one another
Answers
Slip past one another. Therefore, option (C) is correct.
What is motion in particles?Motion in particles refers to the movement or activity of the individual components, such as atoms or molecules, within a substance. In a liquid, the particles are not held in a fixed position as they are in a solid, but instead are able to move around and slide past one another.
This allows liquids to flow and take the shape of their container. The amount of motion in the particles can be affected by factors such as temperature, pressure, and the presence of other substances.
Learn more about motion, here:
https://brainly.com/question/11155407
#SPJ2
which list correctly identifies characteristics that protists share with animals?
Answers
The list that identifies the characteristics of protists and animals (similarities) is (C) Motile, Eukaryotic, Reproduce Sexually.
Protists that resemble mammals are known as protozoa (singular, protozoan). Solitary cells make up the majority of eukaryotes in protozoa. They have characteristics that are frequently attributed to animals, including as locomotion, heterotrophy, and membrane-bound organelles.
A microscope is the greatest tool for seeing protozoa since they are typically too small to be seen with the eye. They may live inside and on the bodies of multicellular creatures, in damp soil, leaf litter, and anywhere else there is water.
Protozoa have historically been categorized according to how they move, or their method of locomotion. Some protozoa can form a cyst to protect themselves from dangerous surroundings.
Learn more about similar characteristics of protists and animals here:
brainly.com/question/21356695
#SPJ4
Which list correctly identifies characteristics that protists share with animals?
A. Motile, Reproduce sexually, Photosynthetic
B. Motile, Multicellular, Photosynthetic
C. Motile, Eukaryotic, Reproduce Sexually
D. Motile, Prokaryotic, Multicellular
solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Answers
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
To learn more about Cretaceous follow the link:
https://brainly.com/question/2093019
#SPJ4
The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
The younger layers of rock in the grand canyon are on top of the older layers
Answers
Answer:
"principles of superposition"
Explanation:
PLEASE ANSWER QUICKLY
Which characteristic is shared by all mollusks and echinoderms?
live only in salt water
lack a backbone
use tube feet to move
have an open circulatory system
Answers
Answer:
have an open circlitory system
Explanation:
Answer:
D) have an open circulatory systemExplanation:
Hope this helps!
What is the correct amino acid sequence for the
mRNA code AUGCCAGUAUGA
Answers
Answer:
UAC GGU CAU ACU
The correct amino acid sequence is Methionine-Proline-Valine-Stop codon.
What is the genetic code?The genetic code is a code that specifies the amino acids that will be added to a protein from a given nucleic acid chain.
Each triplet of nucleotides or codon in mRNA indicates a specific amino acid.For example, the codon AUG specifies the addition of the amino acid Methionine.In conclusion, the correct amino acid sequence is Methionine-Proline-Valine-Stop codon.
Learn more in:
https://brainly.com/question/16914106