During this time the sun is closer to the earth in its yearly revolution around the sun. In winter another place on earch is hotter because it is closer than we are.
Answer:
Like the lac operon, the trp operon is a negative control mechanism. The lac operon responds to an inducer that causes the repressor to dissociate from the operator, derepressing the operon. The trp operon responds to a repressor protein that binds to two molecules of tryptophan.
Answer:
Green plants need light to grow
Explanation:
Water for cream, and butter
