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
Nimfa-mama [501]
3 years ago
9

The main difference between the four nucleotides that make up DNA is that they have differentRequired to answer. Single choice.

Biology
1 answer:
pickupchik [31]3 years ago
3 0

Answer:

bases.

Explanation:

Nucleotides are the basic building blocks that make up DNA, consisting of a deoxyribose sugar, phosphate group, and nitrogenous base. The main difference between the four nucleotides is the nitrogenous base, Adenine, Thymine, Guanine, or Cytosine. Adenine pairs with Thymine, and Guanine pairs with Cytosine. The order in which these pairs come in code for proteins and hold genetic information.

You might be interested in
What are other biochemical tests for diagnosing bacteria​
Ber [7]

Explanation:

carbohydrate fermentation, methyl red, citric acid utilization, and hydrogen sulfide production

4 0
3 years ago
Please help me outttttttt someone
DochEvi [55]
Erosion breaks rocks apart.

Hope This Helps You!
Good Luck Studying :)
5 0
3 years ago
Genetic variation _____.a. is created by the direct action of natural selectionb. must be present in a population before natural
Julli [10]

Answer:

The correct answer is b. must be present in a population before natural selection can act upon the population

Explanation:

Genetic variation can be caused by mutation, recombination between chromosomes during meiosis and by fusion of two genetically different gametes during sexual reproduction.

This genetic variation is necessary for the evolution of any population. Natural selection acts on every individual and it decreases the frequency of those alleles that are not suited for the environment and increase the frequency of those alleles which helps the individual to survive in the changing environment.

Therefore genetic variation must be present in the population before natural selection act on the.

5 0
3 years ago
Why was iodine able to diffuse across the membrane while starch was not?
Vikentia [17]
Starch cannot diffuse across the membrane because starch molecules are too large to fit through the pores in the dialysis tubing, whereas iodine is a smaller molecule and therefore can diffuse across.  
4 0
3 years ago
Read 2 more answers
Which choice shows the correct sequence or order of events for a scientific experiment?
lisabon 2012 [21]

Answer:

b

Explanation:

analyze data, form hypothesis, perform experiment, draw conclusions

5 0
3 years ago
Other questions:
  • Need help with just 9-10 thanks
    12·1 answer
  • When a mouse eats grass only 10% of the energy from the plant is transferred to the mouse what happens to the other 90%
    11·1 answer
  • Condensation of water vapor in the atmosphere is most likely to occur when
    13·1 answer
  • Which is the basic unit of structure amd function of all living organisms
    15·2 answers
  • How does water effect metamorphic process
    7·2 answers
  • What is a climax community?
    12·1 answer
  • 5
    11·1 answer
  • How have the factors that trigger an asthma attack changed since the 1900s? As a researcher, how would you put together the clue
    10·1 answer
  • Where is the nucleus usually located?
    13·2 answers
  • Nonrenewable resources are used much more prevalently today despite knowing that they pollute and will run out in the future. wh
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!