The Na+/K+ pump creates a ____ charge inside the cell and a ____ charge outside the cell
a. negative; negative
b. positive; negative
c. positive; positive
d. negative; positive
e. neutral; positive
ANSWER: d
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When a group of functionally related genes located next to one another along the bacterial DNA is transcribed together as a single molecule of mRNA, that mRNA is called a ____ RNA
What will be an ideal response?
Which of the following statements about swallowing is false?
A. It is a series of voluntary motions of the roof of the mouth, tongue, and epiglottis. B. It is under the control of the autonomic nervous system. C. It conveys food from the pharynx through the esophagus and into the stomach. D. The tongue pushes a bolus of food to the rear of the mouth cavity to initiate swallowing. E. None of these statements about swallowing is false.
Debridement of diseased tissue is important in the care of patients with gas gangrene.
Answer the following statement true (T) or false (F)
Refer to the paragraph on the effects of estrogens in the environment. You are assigned to write the report to the Environmental Protection Agency, which needs to decide what level of 17?-estradiol to permit in sewage output
You do not want to make the level any lower than necessary, because it requires substantial additional money for the extra treatment of sewage. Given the data presented above, what level of 17?-estradiol would you suggest is safe to prevent feminization of fish? A) 2.5 ng/l B) 12.5 ng/l C) 25 ng/l D) 100 ng/l