Not sure but I think motor systems?
-Wulf
Answer:
:/ what about it? is this your question? if so you need to add more detail then that so people know what your talking about
Explanation:
Uracil is found in RNA and not DNA. DNA instead has thymine
Answer:
d. Tryptophan would bind to the repressor
Explanation:
However,the repressor would not be able to bind to the operator and switch off transcription.The cell would still be making tryptophan even though it is being supplied by the medium in which it is growing.This is a waste of energy.
The genetic drift is a major factor in evolution when there is lower gene flow