Which of the following describes a drug target?

Which Of The Following Describes A Drug Target?

Answers

Answer 1

Answer:

The correct option is A) The molecule to which a drug binds

Explanation:

A drug target can be described as any molecule which is present in an organism's body to which a certain drug can attach and cause therapeutic effect. Usually, the drug target is a certain type of proteins such as receptor proteins, enzymes etc. The drug can work in different ways on the drug target such as inhibiting the protein, changing its active site or changing its substrate etc. Hence, the correct option is A.

Answer 2

Answer:A the molecule to which the drug binds.

Explanation:


Related Questions

How many protons is in helium

Answers

Helium is an element with an atomic number of 2 which means that it has 2 protons in its core. So if any atom has 2 protons in its core, they it's helium no matter what.

On the periodic table of elements which I have attached in the image provided, the whole numbers in the tile tell you the number of protons. So helium  is a noble gas which is found in the top right of the periodic table and I have drawn an arrow the atomic number which is the number of protons.

 

Helium has two protons in its nucleus, which define it as the element helium. The most common isotope of helium, ⁴He, has two neutrons in addition to the two protons.

The number of protons in an atom defines the identity of an element, and for helium (He), this number is two. Therefore, helium has two protons in its nucleus. Helium is also known for its isotopes.

For instance, the most common helium isotope has two neutrons along with the two protons which is represented as ⁴He, due to its mass number being 4 atomic mass units (2 amu from protons and 2 amu from neutrons).

However, there are also other helium isotopes, such as ³He, which have a different number of neutrons, but the number of protons remains the same at two. This defines the element as helium regardless of its isotope.

So I failed my science test and got a 43% on it. What do you think I can do next time to pass the tesr

Answers

Answer:

Find a study buddy or groupTry a practice testStay after school to get extra helpMake a study guideEtc...

Explanation:

why are covelants bonds strong?

Answers

Answer:

Covalent is stronger because the 2 atoms involve share 2 or more outer shell electrons. Covalent bonds hold all of your biomolecules together. Ionic bonds are formed when a valence outer shell electron is transferred from one atom to another - a much weaker interaction.

Explanation:

Hope this helps

Answer:

An atom that shares one or more of its electrons will complete its outer shell. Covalent bonds are strong - a lot of energy is needed to break them. ... Both nuclei are strongly attracted to the shared pair of electrons in the covalent bond, so covalent bonds are very strong and require a lot of energy to break.

difference between veins and artery​

Answers

Answer: arteries carry oxygenated blood away from the heart to the body. Veins carry oxygen-poor blood back from the body to the heart.

Final answer:

Arteries carry blood away from the heart with thick walls for high pressure, while veins carry blood toward the heart with thinner walls and often have valves to prevent backflow.

Explanation:

Differences Between Veins and Arteries:

The main difference between veins and arteries is the direction in which they carry blood relative to the heart. Arteries carry blood away from the heart, and they have thicker walls and smaller lumens to withstand the high pressure of the blood being pumped by the heart. In contrast, veins carry blood toward the heart, have thinner walls, and larger and irregular lumens, which is suited to their low-pressure blood flow. While both vessels have three distinct layers, veins often have valves to prevent backflow as the blood travels back to the heart.

Under a microscope, the differences in structure are also evident. The lumen and tunica intima of a vein appear smooth, while arteries appear wavy due to the contraction of smooth muscle in their walls. Capillaries, while not as frequently discussed, serve to connect arteries and veins and facilitate the exchange of oxygen, carbon dioxide, and other substances between blood and tissues.

What kind of simple machine is the shin bone in your leg

Answers

Answer:

"Levers" kind of simple machine is the shin bone in your leg.

Explanation:

The simple machine comprised of a rigid beam or rod centralized at a fulcrum which is also considered as fixed hinge is known as "Levers". The shin forming bone is tibia attached to thigh muscles named as quadriceps, tibia is larger than two lower leg bones, also responsible for carrying the weight of body but possible from support of fibula.

The frame called as skeleton around which human body has been built. Muscles are attached to this frame and responsible for generating movement by shortening and pulling on a bone. Many levers are present in this frame itself. While the class of lever is dependent on the location of the fulcrum, load and force.

Advances in the study of Choose
led to a classification system based on evolutionary relationships. This new system is based on
the concept of a Choose...
. which contains a single common ancestor that all species within that clade descended from.

Answers

Answer:

Advances in the study of phylogeny led to a classification system based on evolutionary relationships. This new system is based on  the concept of a clade which contains a single common ancestor that all species within that clade descended from.

Explanation:

After Darwin's evolutionary studies, the scientists looked for a way to classify organisms on the basis of phylogeny. A phylogeny depicts the relationship between organisms based on the common ancestors that they might have. A phylogeny can be shown in a diagram like a cladogram. This diagram shows branches known as clade for each particular organism that might have evolved from a particular common ancestor.

The mechanreceptors responsible for relaying sound stimuli to our ears are called (blank)?

Answers

Answer:

cochlea.

Explanation:

When a sound wave hits the eardrum, the eardrum moves tiny bones — the malleus, incus, and stapes — which subsequently move.

This movement is picked up by the mechanoreceptors in the inner ear, which exist on hair cells containing cilia between the end of the semicircular canals and the vestibule.

When the cilia move, the cells create an impulse that is sent through the cochlea to the eighth cranial nerve, which carries the impulse to the brain.

The brain then interprets the information as a specific sound.

Describe Watson and Crick’s model of the DNA molecule

Answers

Explanation:

Watson and Crick's model is composed of two anti parallel strands that are connected by hydrogen bonds between nitrogenous bases. Hydrogen bonds form between adenine and thymine and between cytosine and guanine. The  multiple strands of DNA double helix are  joined combinedly by hydrogen bonds between nitrogenous bases on opposite strands. Every pairs of the bases present the flat, which further makes a "rung" on the ladder of the DNA molecule.

how does a low protein intake affect homeostasis​

Answers

Answer:

High dietary protein intakes are known to increase urinary calcium excretion and, if maintained, will result in sustained hypercalciuria. To date, the majority of calcium balance studies in humans have not detected an effect of dietary protein on intestinal calcium absorption or serum parathyroid hormone.

Explanation:

How are viruses able to infect cells?

Answers

Answer: Viruses infect cells by entering the cell almost disguising itself as a positive cell or object if you will. Once the virus is inside and the cell absorbs it thinking it is food or something else god knows what, the virus then replicates its DNA into the cell, replacing the RNA and infecting the cell, which then begins to multiply. Good Luck!

Explanation:

Final answer:

Viruses attach to specific receptors on host cells, inject their genetic material, replicate using the host's cellular machinery, and then release new viral particles, often destroying the host cell in the process.

Explanation:

Viruses are obligate, intracellular parasites that require a living host cell to replicate. They initiate infection by recognizing and attaching to cell-surface receptors on a permissive host cell, a process dictated by a molecular match between the virus and the viral receptor. After attachment, the virus enters the host cell, uncoats, and releases its genetic material, hijacking the cell's machinery to copy its genome and produce viral proteins. The new virus particles are then assembled and released, often killing the host cell through lysis or apoptosis. This infection process can cause cell damage and elicit an immune response from the host organism.

Host cell specificity is a hallmark of viral infections. For example, the influenza virus infects cells of the respiratory system due to the presence of specific receptors that the virus can bind to. Viral infection and replication depend on the cell's ability to produce necessary substances for the virus, and immune responses also play a role in determining which cells a virus may target.

EXPLAIN whether the problem of elephants destroying trees in southern Africa is due to overpopulation, competition, or both.
Will give BRAINIEST if you get it right.

Answers

both because they are vegetarian and they are reproducing more so they do have to compete for food

Final answer:

The destruction of trees by elephants in southern Africa is a complex issue influenced by elephant overpopulation, their role as ecosystem engineers, and the competition for resources. Behavioural ecology studies, including the creation of an acceptability index, offer insights into the dietary habits of elephants and the reasons behind tree damage. Protection strategies against poaching and habitat loss are also integral to understanding the broader context of elephant conservation efforts.

Explanation:

The problem of elephants destroying trees in southern Africa is often attributed to a combination of factors, primarily overpopulation and competition for resources. Due to conservation efforts, elephant populations have rebounded in many areas, but this success can lead to increased pressure on the environment. As dominant ecosystem engineers, elephants can significantly affect biodiversity and ecosystem processes based on their population density. Moreover, the impact on tree species within protected areas can be assessed by recording the types of damage inflicted on trees, such as broken branches and bark stripping. Understanding why elephants damage trees involves examining their diet and movement patterns through behavioural ecology. By calculating an acceptability index of each tree species (eaten versus available), researchers gain insight into the foraging preferences of elephants, which helps to clarify whether the destruction is due to the preference for certain tree species or if the trees are damaged as byproduct of elephants' movements.

Poaching, habitat loss, and human-elephant conflict also influence the dynamics between elephants, their environment, and local communities. Strategies to protect elephants from poachers, such as establishing national parks and creating ecotourism opportunities, provide varying levels of effectiveness and incentives for conservation efforts, impacting both elephant populations and their habitats.

Biology Sem 1
2.1.2 Quiz: Common Elements in Living Things
Question 7 of 10
2 Points
What are the basic units of a chemical element called?
A. Solids
B. Atoms
C. Molecules
D. Gases

Answers

Atoms because everything gets built up on them

Answer:

Carbon,Hydrogen,Oxygen,Nitrogen are the most common elements in living things..96% of all living consist of It.other 3% is Calcium, Phosphorus, Potassium, Sulphur.

basic unit of chemical element is Atoms.Everything that made out of atoms called matter.When atoms combined molecules are formed.Gasses and Solids are just different state of matter.

if you find my answer helpful enough.make it brainliest.thank you

Newton’s Laws

A student is late for class and is running when they hit a patch of ice and begin to slide. Which of Newton’s laws is best shown here? Explain.

Answers

Answer:

Newton’s first law (i.e about inertia) is best shown in this example.

Explanation:

Newton's first law states that every object continues in its state either motion or rest until it is acted upon by any other external force.As the student is in motion when he/ she hits the patch of ice. as no external force is applied, he/she continues the motion by sliding over the ice due to inertia.Until the friction and other resistance force balances the motion he/she will not stop sliding.

Which best describes a protein?
A.14 bond between amino and nucleic acids

B. A chain of codons and anitcodons

C. A chain of amino acids

D . A strand of DNA

Answers

Answer:

C. A chain of amino acids

Explanation:

Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are 20 different types of amino acids that can be combined to make a protein. ... These proteins bind and carry atoms and small molecules within cells and throughout the body.

Part E
Based on your observations in parts A through D, explain why Earth's gravity pulls vou toward the ground

Answers

Answer:

The gravitational pull between two objects increases as the distance between them decreases. The gravitational pull also increases with an increase in the mass of the objects. Earth has a large mass. So, when our bodies are close to Earth, the gravitational pull between us and the Earth is strong. This force pulls us down, so we stand firmly on the ground without floating in the air. Without the gravitational force, we would drift away from Earth.

On Plato.

Explanation:

Final answer:

The Earth's gravity pulls everything towards its center, with the force exerted by every part of the Earth contributing to the gravitational pull. This phenomenon is due to the symmetry of gravitational forces between Earth and objects on its surface. Gravity's significant impact on us is a result of its dominant force among the fundamental forces.

Explanation:

Earth's gravitational force pulls everything down towards the center of the Earth, causing objects to fall when dropped. When you stand on the ground, the force of gravity is exerted by every part of Earth, with the entirety of the Earth's mass contributing to the gravitational pull.

Observations show that objects like you, your desk, or a falling apple exert an equal but opposite pull on the Earth. This phenomenon highlights the symmetry of gravitational forces between Earth and objects on its surface.

Gravity affects us noticeably due to its prominent force among the four fundamental forces. The near perfect symmetry of Earth causes the total force to almost cancel out sideways components, making gravity appear to pull straight down.

What types of materials are expelled from cells during exocytosis?
Question 8 options:

large molecules such as hormones

positive and negative ions

small molecules such as carbon dioxide

water and glycerol

Answers

Large molecules such as hormones materials are expelled from cells during exocytosis

Explanation:

The materials inside the cells are transferred to the outside of the cell and this manner is termed as  Exocytosis. This method is termed as a kind of active transport since it needs energy for this transformation process. One of the major purposes of this process is to discharge trash matters like hormones and proteins.

For a cell to cell transmission and chemical signal messaging these methods are essential. Proteins that are newly generated are transferred to the peak of the plasma membrane by exocytosis. There are three general pathways of exocytosis.

Final answer:

Materials expelled from cells during exocytosis largely consist of large molecules such as hormones, digestive enzymes, and neurotransmitters, which are integral to many bodily functions.

Explanation:

During the process of exocytosis, cells expel various materials into the extracellular space. The types of materials that are commonly released during exocytosis include large molecules such as hormones, digestive enzymes, and components of the extracellular matrix, as well as neurotransmitters. These materials are packaged into vesicles within the cell. When the vesicle membrane fuses with the plasma membrane, it releases its contents outside the cell. The identified options related to large molecules such as hormones specifically refer to the frequent export of proteins and glycoproteins that play critical roles in the body, from acting as biological messengers to facilitating digestion and immune responses.

Does tRNA transfer amino acids during transcription or translation?

Answers

Answer:

translation

Explanation:

transcription is when the DNA becomes RNA. Hope that helps.

Final answer:

tRNA (Transfer RNA) transfers amino acids during the process of translation, adding specific amino acids to the growing protein chain. This amino acid transfer does not take place during transcription, which is a separate process for creating an RNA copy of a gene sequence.

Explanation:

The role of tRNA (transfer RNA) is very critical in protein synthesis, specifically during the process of translation, not transcription. Transcription is the process of creating an RNA copy of a gene sequence. On the other hand, translation is the process of translating the sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids during protein synthesis. It is during translation where tRNAs play a vital role. Each tRNA molecule carries a specific amino acid, where it pairs with complementary base pairs in the mRNA molecule and adds its amino acid to the growing protein chain. Therefore, tRNA transfers amino acids during translation.

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what is the biggest bone in your body​

Answers

Answer:

Femur

Explanation:

Your femur or thigh bone is the biggest bone in your body.

how does human population increase affect aquatic resources ​

Answers

Answer:

as the human population grows, more people will on be on earth and if those people pollute in the ocean the ocean will get dirtier and unhealthy for the underwater creatures.

In a certain population of rabbits, the allele for brown fur is dominant over the
allele for white fur. If 10 out of 100 rabbits have white fur, what is the allele
frequency for the dominant allele?
The Hardy-Weinberg equation is:
[homozygous dominant]2 + 2[heterozygous] + [homozygous recessive]2 = 1
O A. 0.95
O B. 0.90
O C. 0.68
O D. 0.10

Answers

The allele  frequency for the dominant allele is 0.68.

C. 0.68

Explanation:

Let,

The Brown dominant allele be BB

The white recessive allele be bb

Frequency of white fur rabbit (bb) = 10/100 = 0.1

Therefore, q2 = 0.1

Frequency of recessive allele, q= √0.1

                                                  q = 0.316

Using Hardy Weinberg equation:

p+q = 1

p = 1-q

p = 1-0.316

p = 0.684

Thus, frequency of dominant allele, p = 0.684

4) What is the main factor that contributes to carbons versatility?
a. It has an equal number of protons and neutrons
b. Its outer shell electrons are evenly spaced
c. It has a four electrons in its valence shell
d. It is a very large molecule

Answers

Answer:

The correct option is C)  It has a four electrons in its valence shell

Explanation:

Carbon has four electrons in its outermost shell due to which it has the ability to form single, double and even triple bonds. Carbon has the ability to form chains, branched chains and even rings due to which it is versatile in nature  and can form different types of organism compounds. Carbon is the main element in the formation of the different organic compounds due to its versatile nature. Carbon is even the element which forms many of the molecules found in space.

Which statement best describes scientists who contributed to the current
body of scientific knowledge?

Answers

Answer:

As statements are not provided, let's have a look at scientific knowledge generally.

Explanation:

A piece of scientific knowledge will be considered to be true and authentic if it is supported by a number of testable experiments which gave the same supporting result again and again. Experiments performed by such scientists will be viable and will contribute to the current body of scientific knowledge.

On the other hand, scientific knowledge that is not supported by experiments that are correct will not be of much importance.

A sample of vegetable oil with density 917 kg/m^3 is found to have a mass of 0.0427kg. Find the volume of the sample

Answers

Answer:

formula used: volume=density/volume

Explanation:

data:

volume=?

density(given)=917kg/m^3

mass(given)=0.0427kg

solution:

917/0.0427 =21475cm^3

Final answer:

The volume of the sample of vegetable oil is 4.66 x 10^-5 cubic meters.

Explanation:

First, we should recall the formula for density, which is:



Density = Mass/Volume



Using this formula, we can rearrange it to solve for volume:



Volume = Mass/Density



Plug in the given values:



Volume = 0.0427 kg / 917 kg/m3



Simplifying the expression, we get:



Volume = 4.66 x 10-5 m3



Therefore, the volume of the sample is 4.66 x 10-5 cubic meters.

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what is a negative consequence of a mandatory quarantine

Answers

Answer and Explanation:

Quarantine refers to a process in which people are isolated due to the possibility of spreading a disease. This is done to protect both the people who are in quarantine and the people that don't have the symptoms of a given disease. Mandatory quarantine refers to the legal process of people being unable to leave quarantine no matter the circumstance.

Although mandatory quarantines has many benefits as it prevents the public from being exposed to pathogens, it can have negative consequences. For example, there have been many cases in which children are left alone and isolated from parents due to the possibility of having a disease. Some professionals suggest children or parents to be able to be in quarantine at home. However, it is not as safe as other methods and mandatory quarantine is a legal procedure.

3. Meiosis is sometimes called reduction division. What does this mean
and why is it important to a species?​

Answers

This is because meiosis reduces the total number of chromosomes to half its original number

A town develops green space on top of an apartment building. This provides a relaxing place for the renters while also allowing the owners to charge higher rents. Which
benefits of green space does this situation provide?
1.environmental health, and economic
2.health and economic
3.economic and environmental
4.environmental and health

Answers

The correct option is option 1.

What is green space and why is it important?

Green spaces in cities mitigate the effects of pollution and can reduce a phenomenon known as the urban heat island effect, which refers to heat trapped in built-up areas. The urban heat island effect appears in towns and cities as a result of human activity.

What are the benefits of green space in urban areas?

Green spaces have a number of positive impacts on the urban environment which help human health, including reducing noise, providing shade and cooling, and reducing both the likelihood of flooding and air pollution.

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what only acts in the digestion of carbohydrates

Answers

Answer and Explanation:

Digestion of carbohydrates occurs in the mouth, duodenum and small intestines. In the mouth, salivary amylase hydrolyses starch to maltose. In the duodenum, pancreatic amylase breaks down starch into maltose. In the small intestines, enzyme maltase digests maltose to glucose.

1.) the field names in the data base are also known as __________.
A.) category or column headings
B.) the name of a row
C.) individual cells in a database
D.) records

2.) To sort items in alphabetical order, what should you select from the field name drop-down menu?

A.) Sort greatest to least
B.) Sort least to greatest
C.) Sort A-Z
D.) Sort Z-A



( 100 POINTS ON THE LINE )

Answers

1 is A.) category or column headings

2 is C.) Sort A-Z

Which best describes plasmid?

A. Viruses that cause the common cold

B. A tube that comes off the virus

C. A piece of DNA transferred by a bacterium

D. A protective shell around a virus

Answers

Answer: C. A piece of DNA transferred by a bacterium

Explanation:

Final answer:

A plasmid is a small and C. A piece of DNA is transferred by a bacterium.

Explanation:

A plasmid is a small, circular piece of DNA that is separate from the bacterial chromosome. It is found in bacteria and can be transferred between bacteria through a process called conjugation. Plasmids often contain genes that help bacteria survive in different environments or provide resistance to antibiotics. Thus, it is a small, circular piece of DNA found in bacteria and some other microorganisms.

Plasmids are separate from the organism's chromosomal DNA and can replicate independently. They often carry genes that provide various advantages to the host, such as antibiotic resistance or the ability to metabolize specific compounds. Scientists also use plasmids as tools for genetic engineering and recombinant DNA technology.

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Pls help How could the humans and high human population growth rate drive further
extinctions of plants and animals?
A. All these people need a place to live and destroy the habitat of many animals.
B. All these people can create more pollution with kill many plants and animals.
C. People continue to introduced invasive species which harm native plants and
animals.
D. All of the above.​

Answers

Answer:

D. All of the above

Explanation:

Currently, the world is facing the Sixth Mass Extinction of both wildlife and plants species, especially in regard to mammal populations. This mass extinction is the result of human activities and anthropogenic climate change as well as global warming.

Among the most harmful activities that impact wildlife populations are habitat destruction (A) like deforestation, pollution (B) such as the release of toxic chemicals that come from fertilizers and pesticides, and the introduction of exotic species into ecosystems (C) that disrupt native species' habitats and pose threats due to competition and predation.

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