F+ cells ____
a. are able to conjugate with donor cells
b. are able to conjugate with recipient cells
c. are able to conjugate with other F+ cells
d. receive DNA during conjugation
e. are infected with a virus
ANSWER: b
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Which of the following is a characteristic of r-selected organisms?
a. mature late b. increased parental care c. lower longevity d. larger offspring
An exponential growth curve looks like ________________
A. a curved line that increases more and more steeply over time B. a curved line that increases steeply at first and then levels out and stops increasing C. an increasing straight line D. a complete circle E. a series of large peaks and valleys
Staphylococcus epidermidis cause pyogenic infections of intravenous catheter sites and prosthetic devices
a. true b. false
Diphtheria toxin kills cells by interfering with which of the following processes?
A) complement function B) nucleic acid synthesis C) cytoplasmic membrane function D) protein synthesis E) adenylate cyclase activity