HIV, the virus that causes AIDS in humans, does not infect other animals, but only certain cells in the human body. Why?
What will be an ideal response?
The recognition spikes on the outer capsid of the virus can bind only to specific proteins on specific cells. This property makes most viruses both species and cell specific.
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Slime molds and water molds are types of fungi
Indicate whether this statement is true or false.
__________ promotes senescence and abscission. It
also inhibits growth of roots and stems. Fill in the blank(s) with the appropriate word(s).
Cultures grown from cells of a dissociated tissue are called
a. normal cell lines. b. transformed cell lines. c. primary cell cultures. d. immortal cell lines.
The reaction between carbon dioxide and water to produce carbonic acid is catalyzed by
A. phosphates. B. carbonic anhydrase. C. renin. D. aldosterone. E. calcitonin.