Answer:
B
Explanation:
DNA is made first, which the makes it's counterpart RNA, which makes protein because that's it's job.
No,it's bonds between elements like hydrogen and oxygen
Answer:
Explanation:Blood type in humans has several different alleles
A. Can be changed and revised
Explanation:
Scientific theory is an explanation into an observed phenomenon. They are usually drawn from careful scientific investigations using a very systematic approach.
- Scientific theories are capable or being changed and revised when new bodies of proof surfaces.
- Theories may be tested and tested over again in order to validate them.
- They can be subject to revision.
- Scientific theories are not laws. Laws are not proofs of scientific theories.
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Purpose of experiment brainly.com/question/5096428
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