In panel 4, the base-paired DNA fragments are joined together with ____
a. DNA polymerase
b. RNA polymerase
c. reverse transcriptase
d. DNA ligase
e. restriction endonuclease
ANSWER: d
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a. orchids b. wheat c. maple d. grass e. palms
A severe and life-threatening drop in blood pressure is known as ____
a. circulatory shock b. hypotension c. orthostatic hypotension d. primary hypertension e. secondary hypertension
In cells, RNAs that can act like enzymes are called __________.
A. microRNAs B. peroxisomes C. ribozymes D. lysosomes
By what mechanism can CRISPR-Cas technology introduce a point mutation into a gene?
A. The double-strand break made by Cas9 is repaired by end-joining. B. The activity of Cas9 changes the DNA sequence of its target. C. The single guide RNA is incorporated into the eukaryotic genome by Cas9. D. A double crossover replaces DNA cut by Cas9 with a donor DNA.