You observe a group of fish turn almost simultaneously in the same direction. Which receptors are
they using?
a. lateral line organs
b. otoliths
c. cristae
d. stereocilia
e. statocysts
A
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Control systems in the cell can induce cell suicide, or apoptosis, in cells with excessive DNA damage
a. True b. False Indicate whether the statement is true or false
What type of cells do not undergo mitosis?
A) All cells of the body except gametes (i.e., only somatic cells) B) Gametes C) Both somatic cells of the body and gametes D) Neither somatic cells of the body nor gametes
A microorganism that causes an infection is called a
A. avirulent infection. B. colony. C. commensal. D. pathogen.
What is altruism?
A. Acts that cost the actor but do not benefit another B. Acts that cost the actor and benefit another C. Acts that do not cost the actor and do not benefit another D. Acts that do not cost the actor and benefit another