Oxygen acts as a final electron acceptor in respiration and is ultimately converted into which
molecule?
a. water
b. ATP
c. CO2
d. glucose
e. phosphate
A
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HIV specifically targets cells of the ________ system
a. cardiovascular b. immune c. respiratory d. digestive
Breathing rate increases during exercise because
A. the heart is beating more rapidly. B. there is less oxygen in the blood. C. there is more carbon dioxide in the blood. D. there is an increase in blood pH.
Your botany instructor likes to tell nerdy jokes, like this: "I wanted to buy a pink Toyota Corolla, but the dealer only had a green Calyx available." Impress your instructor with a clever response to this joke.
A. "Me too! But I could only afford the yellow Androecium." B. "Oh, I would have chosen the blue Receptacle." C. "Those are great cars, but the pinecone tires don't roll very well." D. "The factory must have run out of class A genes."
which is false of adolescent sleep?
What will be an ideal response?