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
Oxana [17]
2 years ago
9

Whats the answer to this multiple choice?

Biology
1 answer:
gulaghasi [49]2 years ago
4 0

Answer:

a

Explanation:

You might be interested in
Blood type A person marries a blood type B person, both are heterozygous for the trait, what could their offspring be?
Vika [28.1K]

Answer:

All of the above

Explanation:

6 0
2 years ago
Which two scientists created the current three-dimensional model of DNA?
Greeley [361]
The two scientists that created the three-dimensional structure of DNA are James Watson and Francis Crick.
3 0
3 years ago
Bacteria and other microbes can be used to "clean up" an oil spill by breaking down oil into carbon dioxide and water. Two sampl
aksik [14]

Answer:

For sample A, A=17.7 %, T=17.7 %, G=32.30%, C=32.30%

For sample B, A= 28.9%, T=28.9%, G= 21.10%, C= 21.10%

Explanation:

The composition of nitrogenous bases in DNA is calculated using the suggestions proposed by the results of the experiment performed by Erwin Chargaff.

He found that in a DNA sample the composition of purine to pyrimidine is 1:1. This indicates that the amount of purine equals pyrimidine. This can be presented as purines + pyrimidines= 100. Also, adenine binds thymine and cytosine binds guanine.

In the given question,  

<u>For sample A </u>

A= 17.7 %, Therefore, thymine will be = 17.7 %,

A+T= 35.40%

Now, G+C=100- 35.40%

G+C= 64.60%

content of G= 64.60/2= 32.30%

content of C= 32.30%

<u>For sample B </u>

T=28.9%, A will be= 28.9%

A+T= 57.80%

G+C=100-57.80%

G+C= 42.20%

Thus content of G will be= 42.20/2=21.10

content of C= 21.10%

Thus,  

For sample A, A=17.7 %, T=17.7 %, G=32.30%, C=32.30%

For sample B, A= 28.9%, T=28.9%, G= 21.10%, C= 21.10%

6 0
3 years ago
The left hemisphere of the brain controls the right side of the body.
strojnjashka [21]
True..................................
8 0
3 years ago
Read 2 more answers
Quantitative analytic methods are needed to determine _____.
Darya [45]
Quantitative analytic methods refer to methods used in analytical chemistry in order to determine the concentration or the moles of a certain substance in solutions. This includes finiding correct units. The most appropriate answer is a quantitative variable and this is the first choice; Quantitative analytic methods can help you determine or estimate the amount of poison in the blood (solvent).
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which process in plants generates the most atp for driving cellular activities, photosynthesis or cellular respiration? explain
    10·1 answer
  • Identify the isolation mechanisms described using the drop-down menus. Differences in courtship or other behaviors prevent matin
    5·2 answers
  • In mice with black agouti coats, each hair is black and yellow. Two mice with black agouti coats are crossed. Among the offsprin
    7·1 answer
  • 15. Describe how nuclear energy is used to create energy?
    5·1 answer
  • The organelle that aids in cell division is
    5·1 answer
  • According to cell theory where do plant cells come from
    13·2 answers
  • What provides energy cell
    11·1 answer
  • What role did scientific methods, such as communicating results, play in the discovery of the structure of dna?
    13·1 answer
  • In an energy pyramid, what organisms have the most energy available? *
    13·1 answer
  • Please help me with this
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!