Which of the following is the correct base-pairing rule for DNA?
A. A-U; C-G
B. A-G; T-C
C. A-T; G-C
D. A-C; T-G
Ans: C. A-T; G-C
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In which of the following stages of the viral infectious cycle do enveloped viruses usually acquire their envelopes?
A. Penetration B. Release C. Component biosynthesis D. Assembly
What is the key concept addressed by the question?
What will be an ideal response?
The perforin-granzyme pathway involves
A) the production of fever, which kills the pathogen. B) the production of antibodies toward the invading pathogen. C) the synthesis of special cell-killing proteins that act on infected or abnormal cells. D) presenting the foreign antigen to B cells. E) binding CD95L to infected cells, which eventually leads to cell apoptosis.
Disrupting the function of ________ would kill the growing bacterial cells and could provide targets for antimicrobial drugs to bind
a. FtsZ splicing b. MreB c. multiple DNA fork assembly d. transpeptidation