Multiple Choice
Figure 17.1
Use the accompanying figure for questions 9-11.
The gene that governs a cell's ability to synthesize biotin from inorganic precursors is labeled " bio ". The designation bio+ indicates the ____.
A) normal allele
B) mutant allele
C) bacterium is biologically active
D) bacterium is biologically inactive
E) bacterium cannot make its own biotin
Correct Answer:

Verified
Correct Answer:
Verified
Q7: Enveloped viruses _.<br>A) generally lyse host cells
Q12: Some animal viruses may enter a _
Q20: Match each of the following terms with
Q21: Match each of the following terms with
Q37: R plasmids provide _.<br>A) antibiotic resistance<br>B) a
Q51: Hfr cells are bacterial cells that _.<br>A)
Q54: Prions _.<br>A) are more complex than viruses<br>B)
Q65: Cultures of genetically identical cells are called
Q66: Auxotrophs _.<br>A) are nutritional-requirement mutants<br>B) can grow
Q67: DNA can be transferred from one bacterial