The gene associated with aggressive behavior in different studies is called _____________________. Fill in the blank(s) with the appropriate word(s)

Lipopolysaccharide of the outer membrane of gram-negative cell walls is called ________.

A. enterotoxin B. leukocidin C. exotoxin D. hemolysin E. endotoxin

Puberty in males marks the start of

a. sperm production. b. testosterone production. c. the emergence of secondary sexual traits. d. fertility. e. all of these.

The molecule ________ is the major energy carrier in cells

Fill in the blank(s) with correct word

You are shown an unknown cell under a microscope. Which of the following structures or molecule would allow you to identify it as a eukaryotic cell?

a) DNA b) nucleus c) cell membrane d) ribosomes