Which of the following reactions represents cellular respiration?
A) sugar + oxygen ? water + carbon dioxide + energy
B) nitrogen + oxygen + sugar ? methane + carbon dioxide
C) water + carbon dioxide + energy ? sugar + oxygen + water
D) sugar + carbon dioxide + energy ? water + oxygen
E) water + carbon dioxide ? sugar + oxygen + water + energy
Answer: A
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FeSO4 is commonly used to treat iron deficiency. Which of the following is the correct name for this compound?
A) iron sulfate B) iron(II) sulfate C) iron(III) sulfate D) iron sulfur tetroxide
All physical forms of water (solid, liquid, and gas) on or near the earth's surface make up the ____.
A. atmosphere B. lithosphere C. biosphere D. hydrosphere E. troposphere
Which of the following is true of acetyl coenzyme A?
A) This compound provides entry for fatty acids into the citric acid cycle. B) This compound provides entry for amino acids into the citric acid cycle. C) This compound provides entry for monosaccharides into the citric acid cycle. D) All of the above are true of acetyl coenzyme A.
The science and art of cultivating crops and rearing livestock in order to produce food and fiber for sustenance or for economic gain is known as ________/
Fill in the blank(s) with correct word