38) I believe the correct answer would be letter D: ions are moved against the concentration gradient.
39) I believe the correct answer is letter A: the DNA information for development was silenced in differentiated cells. This is because the frog did not go through <span>embryonic development.</span>
Adult stem cells
very important for replacing lost or damaged specialized cells.
Calcium in the teeth provides appropriate pH levels in the mouth.
<span>It is true that a chromosome is made up of both DNA and proteins which are compacted and condensed.
>> Along with every organism on Earth, each of the things, is composed of Deoxyribonueclic acid or DNA. In this case, you can say that DNA is present in almost all of the living things on Earth.</span>
1% of energy would be left.
