Cotyledons develop as part of _____
a. carpels c. embryo sporophytes
b. accessory fruits d. petioles
C
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The sodium-potassium pump of neurons pumps
A. Na+ and K+into the cell. B. Na+ and K+ out of the cell. C. Na+ into the cell and K+ out of the cell. D. Na+ out of the cell and K+into the cell. E. Na+ and K+into the cell and H+ out of the cell through an antiport mechanism.
In a moment-of-truth defense, a prey species ________
a. remains absolutely still and hopefully undetected b. makes a last chance effort to avoid imminent capture and death c. assumes the appearance of a toxic or unpalatable organism d. lives in close association with another species that provides some form of protection
E. coli bacteria normally live in the human gut and produce vitamin K that the body uses. This is best termed a ________ relationship.
A. mutualistic B. antagonistic C. parasitic D. saprobic
Antennapedia and bithorax belong to the class of mutants referred to as atavistic mutants
Indicate whether the statement is true or false