A transcription factor can have multiple domains

a. true
b. false


Ans: a. true

Biology & Microbiology

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What is the name of the figure shown below that depicts the staining and photographing of an entire set of duplicated, condensed chromosomes from a single cell?

A) Cytosmear B) Cell smear C) Pap smear D) Karyotype E) Karyogram

Biology & Microbiology

Polymerase Chain Reaction is a technique to produce multiple copies of a sequence of DNA

Indicate whether the statement is true or false.

Biology & Microbiology

What type of pollinator would an unscented, red flower attract?

a. honeybees b. butterflies c. beetles d. bats e. birds

Biology & Microbiology

In the early twentieth century, evolutionary biologists argued whether there was enough genetic variation in populations to explain the diversity of life by natural selection

With the advent of protein electrophoresis and DNA-level analysis, the problem turned on its head: the neutralist school arose from the idea that there was too much genetic variation to be maintained by natural selection. What are some of the arguments and observations neutralists cited to support the idea that much variation is neither favored nor disfavored by natural selection?

Biology & Microbiology