Viruses may only be grown

A. in sterile, cell-free chemical growth media.
B. in living cells.
C. at body temperature.
D. in darkness.


B

Biology & Microbiology

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Internal and external fertilization both _____

A) produce single-celled zygotes B) occur only among invertebrates C) occur only among terrestrial animals D) depend on the use of copulatory organs E) occur only among birds

Biology & Microbiology

Cytokines released by white blood cells that activate T cells and B cells, provoke an inflammatory response, and induce fever are called

A. histamines. B. complement proteins. C. interleukins. D. interferons. E. epinephrines.

Biology & Microbiology

The force necessary to cause microtubules of cilia and flagella to slide alongside one another is provided through the

action of ____ proteins, which derive the energy to perform their work directly from ____ molecules. a. kinesin; ADP b. kinesin; glucose c. tubulin; ATP d. dynein; ATP e. dynein; ADP

Biology & Microbiology

How does meiotic cell division produce genetically variable, haploid cells?

What will be an ideal response?

Biology & Microbiology