To join a fragment of human DNA to bacterial or yeast DNA, both the human DNA and the bacterial or yeast DNA must first be treated with the same
A) DNA ligase. B) DNA gyrase.
C) restriction enzyme. D) DNA polymerase.
C
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Sticky ends are so named because ____
a. they are single stranded and will base pair with complementary sequences b. covalent bonds spontaneously form between them to form a continuous DNA molecule c. primers hybridize to them during the first step of PCR d. they hybridize to a DNA sequence of interest e. they stick to invading viral DNA
All germicides are capable of killing all pathogenic organisms and endospores.
Answer the following statement true (T) or false (F)
What subphylum do tunicates and seq squirts belong to?
A. Animalia B. Cephalochordata C. Chordata D. Urochordata E. Vertebrata
Which of the following does NOT affect eukaryotic cells?
A) antiprotozoan drugs B) antihelminthic drugs C) antifungal drugs D) nucleotide analogs E) semisynthetic penicillins