Whether lambda phage undergoes the lytic or lysogenic cycle is dependent on the accumulation of
A) Cro protein.
B) viral genomes.
C) cI protein.
D) methylated DNA.
Answer: C
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Which of the following diseases is not caused by an obligate intracellular pathogen?
A) chlamydial urethritis B) human monocytic ehrlichiosis C) Rocky Mountain spotted fever D) typhoid fever
Which of the following is a major determinant
in which plant species becomes a pioneer species in a primary succession event?
a. the species of plants that preceded it b. the animals that occupy the area c. chance events d. the nature of the existing soils e. the type of disturbance
Transgenic animals are currently used ________
A) to produce potentially useful proteins B) as food C) as vectors for use in cloning human DNA D) all of the answer options are correct
Albinism in humans is a recessive trait. A man non-albino heterozygous for the albino allele (Aa) and a woman also non-albino and also heterozygous (Aa) plan to marry. Use a Punnett square to determine their probability of having an albino child.
What will be an ideal response?