Meiosis produces _____
a. sperm cells
b. egg cells
c. body cells
d. sperm and egg cells
e. sperm, egg, and body cells
ANSWER: d
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________ is a bacterial plasmid vector.
A. Lambda B. T4 DNA ligase C. SV40 D. pUC19
During transcription, a portion of a cell's DNA is converted to a complimentary strand of mRNA. The mRNA is eventually used as the blueprint for making one or more proteins, but not immediately
A short lag time is necessary between transcription and the initiation of translation. Why?
Which of the following is considered a major category of transmission of disease?
A) Vector transmission B) Contact transmission C) Vehicle transmission D) Contact, vehicle, and vector transmission
An animal lives in an environment where there are few predators, but the population is very dense. They likely have a life-history that is
A. r-selected, meaning there is rapid exponential increase in population growth B. K-selected, meaning that the species will likely be well-adapted to crowded conditions C. r-selected, meaning that the ability of individuals to compete with others is favored D. K-selected, meaning high fecundity is favored