A ribosome contains
a. RNA.
b. DNA.
c. proteins.
d. RNA and proteins.
e. RNA, DNA, and proteins
D
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Which of the following parameters could affect
the shape of a protein?
a. heat b. low pH c. detergents d. high pH e. all of these
The land mass labeled 2 in Figure 18-2 is called:
a. Eurasia.
b. Laurasia.
c. Antarctica.
d. Gondwana.
e. Pangea.
The secondary response in the B cell response occurs when memory cells bind to ________
A) antibodies B) antigens C) histamine D) defensive proteins
Legionnaires' disease can be diagnosed by
A. the microbe's characteristic growth on common laboratory media. B. the microbe's staining properties under the microscope. C. fluorescent antibody tests. D. the clinical symptoms in infected patients. E. the microbe's sensitivity to all antimicrobial agents.