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
adoni [48]
2 years ago
14

What is the backbone of DNA composed of (choose all that apply)

Biology
2 answers:
Gelneren [198K]2 years ago
8 0

Answer:

nitrogen base

Explanation:

as it is nitrogen that is fixed to make protein bonds

VladimirAG [237]2 years ago
7 0

Answer:

Nitrogen base

Explanation:

The backbone of DNA is composed of the nitrogen bases.

You might be interested in
PLEASE HELP WILL MARK BRANLIEST!
Novay_Z [31]

Answer:A. decomposers

Explanation: A decomposer is an organism that decomposes, or breaks down, organic material such as the remains of dead organisms. Decomposers include bacteria and fungi. These organisms carry out the process of decomposition, which all living organisms undergo after death.

4 0
3 years ago
Which of the following best explains the difference between micro and macro evolution? A. Microevolution is based on ideas, whil
gtnhenbr [62]

Answer: C. Microevolution is small scale change to the gene pool of a population while macroevolution is larger scale changes that lead to speciation.

Explanation:

Microevolution can be defined as a small change in the gene frequency within a gene pool of the species, these changes will be inherited by the organisms and there will not be any drastic change at the species level. But in case of macroevolution the large scale change occurs at the genetic level, which retain for long. This leads to development of new organisms or results in speciation.

4 0
3 years ago
What is a common ancestor?
Aleksandr [31]

C. Common Ancestors are the animals that we evolved from

7 0
3 years ago
Read 2 more answers
The _________ nervous system contains the brain and spinal cord.
weqwewe [10]
Peripheral would be the answer
3 0
3 years ago
Which of the following is a key characteristic of metaphase?
Illusion [34]

Answer:

The chromosomes move to a narrow central zone of the cell

Explanation:

Prophase: nuclear and cell membrane start to disappear

Metaphase: The chromosomes line up in the equator

Anaphase: Spindle fibres pull the chromosomes towards the poles

Telophase: Nuclear and cell membrane start to form

I hope it useful

6 0
3 years ago
Other questions:
  • Which are not common resources derived from the ocean?
    6·2 answers
  • What happens to pyruvate molecules formed in glycolysis in the absence of oxygen? A. they will enter the krebs cycle B.they will
    8·1 answer
  • The germinal period is also known as the period of the ______.
    11·1 answer
  • What are the three stages of volcanic activity
    10·2 answers
  • Why do some life activities strengthen the substrate while others weaken it?
    10·1 answer
  • 10 POINTS + THANKS AND BRAINLIEST
    11·1 answer
  • Which of these is a valid argument on why we should not rely heavily on GMOs in agriculture? A) GMO crops are more expensive to
    15·2 answers
  • What's hypertonic??.........​
    13·2 answers
  • A vector covers what
    11·1 answer
  • Help, please........
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!