If an organism produces abnormally high levels of leptin, predict what would happen to that organism's weight, and explain why the change would occur.
A. Weight loss would occur as a result of decreased digestive enzyme production.
B. Weight loss would occur as a result of decreased appetite.
C. Weight loss would occur as a result of increased metabolic activity and reduced fat storage.
D. Weight gain would occur as a result of increased appetite.
E. Weight gain would occur as a result of increased fat storage.
B. Weight loss would occur as a result of decreased appetite.
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Which of the following is NOT an advantage or beneficial material that fungi provide for their photosynthetic symbiont?
A. carbon dioxide B. water and minerals C. chemicals deterring grazers and pathogens D. protection from excess light E. oxygen
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. Sodium transport and glucose transport are coupled in the small intestine so that glucose accelerates absorption of salt and water. B. Water alone rushes through the digestive tract too quickly to be absorbed by the body tissues. C. ATP is required to transport sodium unless glucose is available for cotransport. D. Glucose without sodium is broken down too quickly in the mouth by saliva.
The atomic mass of an element reflects the total number of
A. electrons. B. protons. C. neutrons. D. protons + neutrons.
________ are cytoplasmic structures that will aggregate mRNA molecules for either degradation or later translation
A) Proteasomes B) Golgi apparatus C) Processing bodies D) Mitochondria E) Ribosomes