A __________ is required to transfer genes from one organism to another
a. vector
b. reverse transcriptase
c. transport molecule
d. genetic probe
e. PCR device
A
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The scientists who proposed the operon theory are
A) Monod and Jacob. B) Watson and Crick. C) Hardy and Weinberg. D) Darwin and Mendel. E) Hershey and Chase.
Mutagens and carcinogens are associated with
A. transposon activity. B. induced mutations. C. spontaneous mutations. D. None of the above.
When the atoms involved in a covalent bond have the same electronegativity, what type of bond results?
A) an ionic bond B) a hydrogen bond C) a nonpolar covalent bond D) a polar covalent bond
Which of the following conclusions is best supported by the data?
(A) Bicoid protein inhibits translation of caudal mRNA. (B) Bicoid protein stabilizes caudal mRNA. (C) Translation of bicoid mRNA produces caudal protein. (D) Caudal protein stimulates development of anterior structures.