During protein synthesis, transfer RNA carrying amino acids bind to the 70S ribosome at the following site(s):
E site
P site
A site
E, P, and A sites
P and A sites
P and A sites
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Excess blood plasma in the bloodstream initiates the thirst mechanism to restore fluid balance
Indicate whether the statement is true or false
The hormone that stimulates secretion of bicarbonate by the pancreas is also the hormone principally responsible for stimulating contraction of the gallbladder.
Answer the following statement true (T) or false (F)
Why does nutrient-rich blood of the hepatic portal vein pass first through the liver before this blood is returned to the heart?
A. To allow the liver to add more wastes to the blood B. The liver needs more nourishment than other tissues; hence nutrients first pass through the liver C. To allow the liver to add more nutrients to the blood D. To allow the liver to store or modify the nutrients
Which of the following is NOT a function of the respiratory system?
A. net uptake of carbon dioxide from the air and removal of oxygen from the blood B. regulation of blood H+ concentration C. trapping of blood clots D. phonation E. defense against microbes