Which chemical exerts its effect on honeybeebehavior by stimulating neural transmissions and reinforcing memories?

a. estrogen
b. octopamine
c. testosterone
d. androgen
e. epinephrine


ANSWER: b

Biology & Microbiology

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Which of the following correctly lists the three forms of nitrogenous waste in order from least to most toxic?

A. uric acid, urea, ammonia B. uric acid, ammonia, urea C. urea, uric acid, ammonia D. urea, ammonia, uric acid E. ammonia, urea, uric acid

Biology & Microbiology

Pneumatophores are specialized to:

a. exchange gas. b. produce nutritive roots. c. stabilize the plant. d. both a and b

Biology & Microbiology

Which of the human organs is responsible for

breaking down ethanol and other toxins?

a. stomach b. liver c. small intestine d. pancreas e. spleen

Biology & Microbiology

The eating disorder characterized by consuming large quantities of food and then vomiting is called ________ nervosa

Fill in the blank(s) with correct word

Biology & Microbiology