The opening and closing of ligan-gated ion channels
Answer:
As a transcription factor
Explanation:
Testosterone is a male sex hormone secreted by the testicles which promote the growth of the male reproductive organs and the male characters like muscle buildup.
The hormone shows the paracrine effect and thus act on the target cell at distant. The mechanism of action of the testosterone is that it controls the gene expression of various other genes.
The testosterone binds the specific proteins which activate the expression of the gene that is they acts as a transcription factor which activates the expression.
Thus, as a transcription factor is correct.
The answer would be a Farm house
The earth's rotation influences the global circulation pattern set up by uneven heating by breaking two circulation cells into four cells. The correct answer is D. <span />