Which of the following statements is TRUE?
A) Lambda is a temperate phage that infects Escherichia coli.
B) Lambda is a linear double-stranded DNA phage.
C) Lambda is replicated by the rolling circle mechanism.
D) Lambda is a temperate phage that replicates its double-stranded DNA genome with a rolling circle mechanism.
Answer: D
You might also like to view...
Which group of modern gymnosperms are the closest relatives to modern angiosperms and possess vessel elements in their xylem?
a. Gnetophytes b. Conifers c. Gingkophytes d. Cycads
Which of the following does not help to limit the spread of healthcare-acquired infections?
A) consistent use of personal protective wear (gloves, masks, and gowns) B) transporting patients as often as possible to keep the healthy patients away from the sick patients C) proper hand washing even if gloves will be worn D) dedicating equipment for a single patient's use whenever possible (a blood pressure cuff) E) environmental sanitization and equipment sterilization
In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of allele a is 0.1. What is the frequency of individuals with AA genotype?
A) 0.20 B) 0.32 C) 0.42 D) 0.81
Which motor region processes learned motor skill patterns?
a. Wernicke’s area b. Broca’s area c. temporal lobe d. premotor cortex e. frontal eye field