What organism has been used extensively for expressing and studying the effects of recombinant genes and mutations?
What will be an ideal response?
Mice
Biology & Microbiology
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Neuroglial cells
a. metabolically support other neurons. b. form sheaths around neurons and increase the rate of impulse transmission. c. form more than half of the volume of the brain. d. provide physical support. e. do all of these.
Biology & Microbiology
In the United States, most thyroid disorders are caused by ____
a. iodine deficiency b. iron deficiency c. an autoimmune disorder d. insecticides e. a combination of more than one of these
Biology & Microbiology
Viruses that attack prokaryotes are called
A) bacteriophages. B) prions. C) human pathogens. D) viroids. E) host cells.
Biology & Microbiology
Which of the following is an informational macromolecule?
A) DNA B) ATP C) starch D) glycogen E) polypeptide
Biology & Microbiology