What enzymes must be present for DNA replication to proceed normally?
A) DNA polymerase and RNA polymerase
B) mRNA, rRNA, and tRNA
C) RNA helicase, DNA helicase and DNA polymerase
D) DNA topoisomerase, RNA polymerase, and RNA ligase
E) DNA polymerase, DNA ligase, and DNA helicase
Answer: E
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The process by which the notochord induces the formation of the neural tube is known as _________
Fill in the blank with correct word.
Which ventilates alveoli more effectively: slow, deep breaths or rapid, shallow breaths? Explain why
A) Slow, deep breaths because a smaller amount of the tidal volume of each breath is spent moving air into and out of the anatomic dead space. B) Slow, deep breaths because a larger amount of the tidal volume of each breath is spent moving air into and out of the anatomic dead space. C) Rapid, shallow breaths because a smaller amount of the tidal volume of each breath is spent moving air into and out of the anatomic dead space. D) Rapid, shallow breaths because a larger amount of the tidal volume of each breath is spent moving air into and out of the anatomic dead space.
The end products of aerobic respiration are
A) carbon dioxide, water, and ATP. B) pyruvic acid and carbon dioxide. C) carbon dioxide and alcohol. D) oxygen and water. E) NADH and FADH2.
The continual movement of fluid through the interstitial spaces produced by capillary filtration serves all of the following functions except
A) accelerates the distribution of nutrients and hormones. B) assists the transport of insoluble substances that cannot enter the capillaries. C) helps carry toxins and bacteria to cells of the immune system. D) flushes hormones and wastes from the interstitial spaces. E) increases edema.