If mRNAs could be ligated and replicated within plasmids, what enzyme commonly used in recombinant DNA technology would no longer be needed?
A) restriction enzymes
B) DNA polymerase
C) RNA polymerase
D) reverse transcriptase
E) Taq polymerase
Answer: D
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The trace amounts of micronutrients needed by microorganisms are usually supplied as inadvertent contaminants in water and regular media components.
Answer the following statement true (T) or false (F)
Why do lymph nodes swell during an
infection?
a. Macrophages accumulate in them. b. Bacteria accumulate in them. c. T cells accumulate in them. d. Production of lymphatic fluid increases. e. Production of mucous increases
The chromosomes are aligned midway between spindle poles during
a. anaphase. b. metaphase. c. interphase. d. prophase. e. telophase.
________ is a neurotransmitter released at every neuromuscular junction (the junction of a motor neuron and a skeletal muscle cell), where it triggers contraction of voluntary (skeletal) muscles
Fill in the blank(s) with correct word