Which of the following organisms contain the polysaccharide chitin?
A) animals and plants
B) plants and bacteria
C) fungi and insects
D) insects and plants
Answer: C
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Which of the following lead(s) to genetic variation in sexually reproducing organisms?
a. the process of meiosis b. the combination of male and female gametes during fertilization c. mutations that occur during development d. the process of meiosis and the combination of male and female gametes during fertilization
In the absence of a specific carrier protein, the molecule least likely to cross the membrane is one that is ________
a. small and nonpolar b. small and polar c. large and polar d. large and nonpolar
ATP molecules are catalysts that lower the activation energy needed to initiate a reaction.
Answer the following statement true (T) or false (F)
When a person absorbs more glucose from
their diet than they need, the excess
a. is flushed from the system as waste. b. is stored as glycogen in the muscle and liver cells. c. is stored as fat in the adipose cells. d. is stored as ATP in the muscle cells. e. is stored as glycogen in the muscle and liver cells, and stored as fat in the adipose cells.