9. a recessive allele will only be expressed when .
a. a dominant and a recessive allele are present.
b. there are two dominant alleles.
c. there are two recessive alleles.
d. there is only one allele.

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?