Restriction enzymes ____
a. work at recognition sites
b. function only at "sticky ends"
c. produce uniform lengths of DNA
d. function in viruses
e. are produced by viruses to break down bacterial DNA
ANSWER: a
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When an enzyme becomes denatured, it
(a) increases in effectiveness. (b) loses its requirement for a substrate. (c) forms an enzyme–substrate complex. (d) loses its ability to function.
The homeotic gene Hoxc6 is the vertebrate version of ____, which determines the identity of the thorax in fruit flies
a. Dlx b. thoracia c. RHO d. CCR5 e. antennapedia
What is the role of heterozygote advantage in maintaining high frequencies of mutant alleles in populations? What will be an ideal response?
Legislation that triggers sanctions at a certain BAC level is called "___" legislation.
Fill in the blank(s) with the appropriate word(s).