______ is produced by the Pineal Body.

A. Benadryl
B. Melatonin
C. Melanin
D. Ambien


Ans: B. Melatonin

Biology & Microbiology

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During exercise, the blood returning to a person's heart contains hemoglobin that is about ______ saturated.  

A.  3% B.  22% C.  35% D.  75% E.  97%

Biology & Microbiology

What are the contributions of Beadle, Tatum, Watson, and Crick to biology? What techniques did they

use to revolutionize biological science?

What will be an ideal response?

Biology & Microbiology

the penis is homologous to

What will be an ideal response?

Biology & Microbiology

Marine biology is the study of:

a. the living organisms that inhabit the sea. b. the oceans and their phenomena. c. the oceans and living organisms. d. the chemical makeup of the oceans. e. biogeochemical processes.

Biology & Microbiology