From which studies did the discovery of sex-linked genes and the production of the first chromosome map arise?
a. from the studies of pea plants
b. from the studies of humans
c. from the studies of fruit flies
d. from the studies of corn
Ans: c. from the studies of fruit flies
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The ability of two nucleic acid strands, a probe and a target, which have complementary base sequences that specifically bond with each other and form a double-stranded molecule, drives which of the following methods?
a. Hybridization b. Sequencing c. Amplification (PCR) d. Genotypic
The anterior pituitary responds to hormones produced by which organ?
a. pancreas b. adrenal glands c. hypothalamus d. thalamus
The two most basic steps of DNA replication are
A) primase causes primer to bind the template and ligase copies the template. B) helicase unwinds the template and DNA polymerase binds the template. C) leading strand is copied first and lagging strand is copied second. D) the new strand is denatured and a template is synthesized. E) the template is denatured and a new strand is synthesized.
One of the most straightforward ways of detecting the presence of bacteria in food is to use ________.
A) a standard plate count B) spectrophotometry C) staining