Estradiol is a _______.

A. peptide
B. steroid
C. amino-acid derivative
D. fatty-acid derivative


Ans: B. steroid

Biology & Microbiology

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Individuals with Marfan syndrome experience an eyesight problem called ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

Which groups of organisms typically use the Calvin cycle? Which groups use reverse TCA? How are these two mechanisms of CO2 fixation related to different types of phototrophy conducted by these different groups of organisms?

What will be an ideal response?

Biology & Microbiology

If the regulation of hunger and thirst mechanisms goes haywire, the brain region that is most likely damaged is the

A. thalamus. B. medulla oblongata. C. cerebrum. D. hypothalamus. E. cerebellum.

Biology & Microbiology

It is possible to have a mutation in a gene that produces no change whatsoever in the protein coded for

by that gene. Indicate whether the statement is true or false.

Biology & Microbiology