1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Otrada [13]
3 years ago
12

Which of these cancer drugs acts by adding hydrocarbon groups to dna? alkylating agents?

Biology
1 answer:
stich3 [128]3 years ago
3 0
The propositions are:
a.alkylating agents
b.antimetabolites
c.topisomerase inhibitors
d.nucleoside analogs
e.<span>AZT

The right answer is A, 
An alkylating agent is a compound capable of adding alkyl groups to various electronegative groups under conditions present within the cells.

Antimetabolites are an anticancer drug but act differently than the alkylating agent. (interfere with folic acid)
Topoisomerase inhibitor acts by inhibiting isomerase, used in antibiotherapy (like quinolones).
Nucleoside analogs are analogs as their name says, it does not alkylate nucleotides.
AZT (</span><span>Zidovudine) is an antiretroviral drug that inhibits reverse transcriptase.</span>
You might be interested in
Name the three types of population distribution, describe each, and explain the conditions that govern each.
tankabanditka [31]

Answer: Population distributions may be described as <em>random, uniform</em><em> or </em><em>clustered.</em>

Explanation:

In a specified region, a population comprises any  number of members of the same species. Populations are described by sizes- the number of individuals; densities-  individuals in a set space (per unit area); and distribution- the dispersal or non dispersal of individuals (spread out or clumped). Population distributions may be described in three ways:

  • Random: the distribution pattern is haphazard, with no regular spacing; individuals grow independently of each other without competing and resources are consistent. <em>E.g. dandelion seed dispersal by wind </em>

  • Uniform:  individuals are evenly spaced in a predictable pattern; there may be some interaction and ideally, spaces between them  are maximized in order to ensure access to limited nutrients and resources.<em> E.g.  human farming- cornfields, orchards; allelopathy in plants like purple sage, which secretes chemicals to prevent the growth of other plants nearby</em>

  • Clumped: there is less distance between neighboring organisms and these individuals cluster together. This pattern is most common in environments where resources are scarce, or the species is dependent on social interactions.<em> E.g. lions are highly social and hunt in prides in the wild</em>

6 0
3 years ago
Read 2 more answers
Which of the following describes how binary fission and mitosis are similar?
NISA [10]

The correct answer is A.

hope this helps :D

4 0
3 years ago
Read 2 more answers
Which of the following is a function of the lymphatic system? Check all that apply 1) Recover fluid from the interstium to the b
nikitadnepr [17]

1 & 2

The lymph system acts like blood vessels only that instead of blood, they carry lymph. Just like certain organs as associated with the circulatory system like heart, the lymph system has such organs like the spleen and thymus.

Explanation:

When blood passes through capillaries, the blood pressure causes the blood plasma to filter through the capillary walls. This fluid then gets into the extracellular spaces of the cells and tissues and nourishes the cells. This fluid in which the cells ‘bath’ in is called interstitial fluid.  Excess interstitial fluid flows back through the lymphatic systems and back to the blood through the subclavian veins of the thoracic duct.

The lymph system has several functions. It is responsible for the removal of foreign material like bacteria because the lymph nodes have 'meshwork' that ‘sieves’ the lymph fluid and immune cells destroy bacteria and viruses.

Learn More:

To learn more about lymph and lymphatic system check out;

brainly.com/question/7727985

brainly.com/question/5324575

#LearnWithBrainly

4 0
3 years ago
What is the average speed of the zebra during the time between 0s and 40s?
kompoz [17]

Answer: The average speed of the zebra during time between 0s and 40s is 34 seconds.

8 0
3 years ago
Why would natural selection not occur without genetic variations in species?
Mumz [18]

If you do not have variations to be selected by natural or sexual selection on their superior abilities to survive and reproduce successfully then nothing can be naturally selected against the immediate environment.
8 0
3 years ago
Other questions:
  • At each stage of the trophic levels, how much energy is lost?
    6·1 answer
  • The main difference among the four soil types is the size of the grains (particles) that make up the soil.
    7·1 answer
  • What are some examples of fungi
    15·1 answer
  • Systemic anatomy considers the structure of major __________, whereas surface anatomy refers to the study of __________.
    12·1 answer
  • What would be 51 and 52?
    5·1 answer
  • Use the words, DNA, chromosome, and gene in a sentence.
    10·1 answer
  • Which of these major bio element is present in the lowest amount in the body mass of living organism? *
    5·1 answer
  • Which of the following accurately contrasts genotype and phenotype?
    9·1 answer
  • Hold 50ml of boiling water
    15·1 answer
  • When new habitat is made available, organisms can diversify rapidly. this can be gradual or punctuated. what is this process cal
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!