A primer of ________ is needed at the origin of nucleotide addition.
A. helicase
B. DNA
C. RNA
D. polymerase I
E. polymerase III
Answer: C
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Why are African honeybees of such a concern? a. They have a more powerful venom than other honeybees
b. They are more widespread than other honeybees. c. Hey are much bigger than other honeybees. d. They cannot be killed by regular pesticides. e. They sting more readily than other honeybees.
Which of the following statements about the mouse is FALSE?
a. Its scientific name is Mus musculus. b. Females give birth to offspring about three weeks after mating. c. It has been used to disprove the "inheritance of acquired characters" hypothesis. d. Knockout mice are those that carry a lethal allele. e. Knockout mice are those that have a gene that is completely nonfunctional.
Warts are caused by ________.
A. enveloped DNA viruses B. nonenveloped RNA viruses C. nonenveloped DNA viruses D. bacteria E. enveloped RNA viruses
Choose the letter of the best match from the following:A. protodermB. vascular cambiumC. apical meristemD. procambiumE. ground meristemLateral meristem that contributes to the increase in thickness of a stem or root.
Fill in the blank(s) with the appropriate word(s).