Antiviral medications frequently block unique (proteins/enzymes/molecules) to prevent production of a new virus
What will be an ideal response?
enzymes
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In humans, the thirst center is located in the
a. adrenal cortex. b. hypothalamus. c. anterior pituitary. d. glomerulus
How do mineral ions get into the xylem cells of a plant root by way of the intracellular route?
A) They travel between root cells to the xylem and then enter a xylem vessel. B) They are actively taken in to the xylem of root hairs. C) They are taken up by root hair cells and transferred from cell to cell via plasmodesmata. D) They move in solution through cell walls of the endodermis.
If wolves were now removed from Yellowstone National Park
A) elk populations would increase. B) deer populations would decrease. C) the vegetation would remain unchanged. D) vegetation would increase, providing shelter for smaller animals.
Conifers transmit chloroplast only through pollen. This:
a. leads to parthenogenesis. b. inhibits parthenogenesis. c. leads to recombination in chloroplast DNA when ovule and pollen chloroplast merge. d. leads to imprinting of conifer nuclear genes.