Siderophores are bacterial proteins that compete with the host's
A) antibodies.
B) red blood cells.
C) iron-transport proteins.
D) white blood cells.
E) receptors.
C
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A glycosidic linkage is analogous to which of the following in proteins?
A) an amino group B) a peptide bond C) a disulfide bond D) a ?-pleated sheet
One method to circumvent issues with introns when expression eukaryotic gene is a bacterium is to simply clone the mature transcript
Indicate whether the statement is true or false.
What is a vaccine usually composed of?
A) macrophages that fight infection B) a hormone that boosts immunity C) inactivated disease-causing microbes D) antibodies that recognize invading microbes
Is any form of adaptation coevolution?
a. Yes, evolution always happens in response to environmental change. b. Yes, other species are always part of an organism's environment. c. No, only evolution as an action–reaction response to a selection pressure imposed by interact-ing organisms on each other qualifies as coevolution. d. No, coevolution is by definition limited to mutualistic interactions.