What do Riftia worms lack that makes them different than other worms?
a. A circulatory system
b. An excretory system
c. A digestive system
d. A nervous system
c
Biology & Microbiology
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Cholesterol functions in the plasma membrane to
A. transport ions. B. serve as an energy molecule. C. maintain fluidity. D. mediate steroid action. E. maintain hypertension.
Biology & Microbiology
All of the following are cytokines except
A) interleukins. B) interferons. C) tumor necrosis factor. D) collectins.
Biology & Microbiology
Mussels outcompete barnacles for space in the middle intertidal zone of the temperate rocky intertidal
Indicate whether the statement is true or false
Biology & Microbiology
From what part of aerobic respiration do most
of the carbon dioxide molecules we exhale come?
a. glycolysis b. Krebs Cycle c. electron transfer d. phosphorylation e. more than one of these
Biology & Microbiology