Which of the following occurs in the first stage of glycolysis?
a. Preparing the six-carbon ring of glucose for separation
b. Dividing the six-carbon ring of glucose into two three-carbon rings
c. Extracting ATP and high-energy electrons from hydrogen atoms
d. Producing NADH and ATP to prepare for glucose separation
a. Preparing the six-carbon ring of glucose for separation
Preparing the six-carbon ring of glucose for separation occurs in the first stage of glycolysis.
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Oral rehydration solutions that contain both salt and glucose are highly effective in treating severe dehydration caused by diarrhea and vomiting. However, glucose or salt alone are not effective. Why?
A. ATP is required to transport sodium unless glucose is available for cotransport. B. Sodium transport and glucose transport are coupled in the small intestine so that glucose accelerates absorption of salt and water. C. Glucose without sodium is broken down too quickly in the mouth by saliva. D. Water alone rushes through the digestive tract too quickly to be absorbed by the body tissues.
Exchange of nutrients and gases between blood and tissues is the primary function of
A) arterioles. B) epicardium. C) arteries. D) capillaries. E) veins.
List the steps associated with the cohesion-tension model of xylem transport.
What will be an ideal response?
The (codon/anticodon/loop) of a transfer RNA molecule is complementary to a codon in a messenger RNA molecule
What will be an ideal response?