The proteins of bacteria that are involved in the movement of small molecules into the cell are called
A. transport proteins.
B. permeases.
C. carriers.
D. peptidases.
E.
transport proteins, permeases, AND carriers.
E
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Which of the following bacteria is the most common cause of antibiotic-associated diarrhea?
A) Clostridium difficile B) Escherichia coli C) Salmonella enteritidis D) Shigella sonnei
Under which of the following conditions
would evaporation through stomata stop?
a. a hot dry day b. a dried out soil c. a day with 100% humidity d. damaged xylem e. all these conditions would stop evaporation through stomata
__________ is the fluid removed from the blood but
not yet processed by the nephron tubules. a. Urine b. Water c. Urethral fluid d. Filtrate e. Renal plasma
An embryo with two X chromosomes will develop female characters because of
a. the presence of female hormones in development. b. the absence of testosterone during early embryology. c. the SRY regions of the X chromosomes. d. maternal substances passed to the zygote during fertilization. e. human chorionic gonadotropin.