The enveloped viruses typically obtain their envelope
A. from the host plasma membrane.
B. as they exit the host.
C. from a newly constructed viral-derived membrane.
D. from the nuclear membrane.
E. from the host plasma membrane AND as they exit the host.
E
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Fruits are specialized to be dispersed by:
A. wind. B. water. C. animals. D. wind and animals. E. wind, water, and animals.
HIV
is a retrovirus. infects most mammals. can be killed with antibiotics. causes liver cancer. can be transmitted through the skin
Which components form the structure of the plasma membrane?
A) a single layer of proteins B) a single layer of lipids with proteins embedded in it C) a double layer of proteins D) a double layer of lipids with proteins embedded in it
Which of the following is considered a model for enzyme action?
A. Lock and Key model B. Enzyme interaction model C. Transformation model D. Transcription model