Which term refers to a virus in the lysogenic cycle that is fully integrated into the host genome?
a. virulent phage
b. infectious phage
c. tempered phage
d. prophage
Ans: d. prophage
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In the figure, why does the reaction rate plateau at higher reactant concentrations?
A) Feedback inhibition by product occurs at high reactant concentrations. B) Most enzyme molecules are occupied by substrate at high reactant concentrations. C) The reaction nears equilibrium at high reactant concentrations. D) The activation energy for the reaction increases with reactant concentration. E) The rate of the reverse reaction increases with reactant concentration.
Cell biology emerged from which of the following fields of biology?
A) biochemistry B) cytology C) genetics D) all of the above E) none of the above
Which mutated gene is inherited in cases of cystic fibrosis?
a. BRCA-1 b. BRCA-2 c. aPOE-4 d. aPOE-2 e. CFTR
In which general direction do the prevailing winds blow between 30° North and the equator?
A) from south to north B) from east to west C) from north to south D) from southwest to northeast