Bactericidal drugs tend to target bacterial
A) cell walls, cell membranes, and nucleic acids.
B) protein synthesis and nucleic acids.
C) nucleic acids.
D) cell walls and cell membranes.
E) cell walls and enzyme activation.
Answer: A
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One of the stop codons to signal the end of the codon message is ____
a. AAA b. TTT c. AUG d. GUA e. UAG
Which of the following inaccurately represents normal forces across capillary walls?
A) Interstitial fluid oncotic pressure is almost zero. B) At rest, net filtration occurs across capillary walls. C) Interstitial fluid hydrostatic pressure increases from arteriole end to venous end. D) Capillary hydrostatic pressure decreases from arteriole end to venous end. E) Capillary oncotic pressure is due primarily to plasma proteins.
Gee's arm was cut during an industrial accident. The blood was pouring from the wound in spurts. Which type of vessel was severed?
A) artery B) vein C) capillary D) lymphatic vessel
Endosperm is:
a. a store of carbohydrate to fuel a seed's initial growth. b. the male portion of a flowering plant. c. tissue that develops into a protective seed coat surrounding the embryo. d. the leaves that are part of the embryo. e. the female portion of a flowering plant.