Amoebas move from place to place by means of their
A. cysts.
B. pseudopods.
C. pseudomonads.
D. sporocarps.
E. plasmodia.
B. pseudopods.
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Facilitated diffusion is specific, which indicates that ____
a. a specific protein will transport certain polar or charged molecules but not others b. only one specific integral protein per membrane is involved in this process c. the energy molecule ATP is specifically required for transport d. only specific hydrophobic molecules can be transported
e. transport of molecules occurs only in specific cellsWhich component of the accompanying scenario would be considered the sensor?
a. release of insulin b. glycogen and fat synthesis c. potassium ion channel d. increased glucose levels e. liver and muscle
Typically species compete for
A) food. B) space. C) essential nutrients. D) multiple resources simultaneously.
Naturally occurring mutations are often referred to as ________ mutations
A) neutral B) unnoticed C) spontaneous D) insertion E) deleterious