A few sugars joined together are called a(n)
a. glycoside.
b. oligosaccharide.
c. polysaccharide.
d. starch
Answer: b. oligosaccharide.
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Which of the following is a reason to question the sustainability of ethanol production from corn?
A. Gas mileage is better with ethanol than gasoline B. Only waste materials from corn production are used to make ethanol, so it doesn't compete with food production. C. Ethanol burns cleaner than gasoline. D. Farmers use a lot of fossil fuels to grow the corn used to make ethanol. E. Conventional agriculture uses less energy and increases the EROI of corn ethanol.
What determines whether a honeybee becomes a queen or a worker?
A. Hormonal secretions B. Location in the hive C. Pheromones D. Diet E. Genetic differences
Which of the following microorganisms have been referred to as energy parasites?
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