Members of the genus Actinomyces are either facultative or strict anaerobes that require ________ for optimal growth.
Fill in the blank(s) with the appropriate word(s).
CO2
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Escherichia coli grows in the large intestine and is instrumental in making ____
a. vitamin B12 b. bile c. vitamin K d. lipase e. vitamin C
What evolutionary advantage is provided by sexual reproduction?
a. increased genetic diversity b. making clones c. making diploidy possible d. making polyploidy possible e. being able to work with chromosomes
Which of the following substances stimulates the phagocytic activity of phagocytes?
A) gamma interferons B) alpha interferons C) beta interferons D) antiviral proteins E) leukotrienes
Although ATP and NADH are both important activated carrier molecules, ATP hydrolysis provides the direct molecular energy for most biochemical reactions. Why do the mitochondria also need to generate high levels of NADH?
What will be an ideal response?