On food packages, to what does the term "insoluble fiber" refer?
A) cellulose
B) polypeptides
C) starch
D) amylopectin
E) chitin
Answer: A) cellulose
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Ribozymes are enzymes
Indicate whether the statement is true or false.
How many hydrogen bonds are there between cytosine and guanine?
a. none b. one c. two d. three
_________________ helps to maintain the viscosity of the plasma membrane.
Fill in the blank(s) with the appropriate word(s).
The phenomenon of fusion is likely to occur when, after a period of geographic isolation, two populations meet again and _____
A) an increasing number of infertile hybrids is produced over the course of the next one hundred generations B) no reproduction occurs in the hybrid zone C) an increasing number of viable, fertile hybrids is produced over the course of the next one hundred generations D) a decreasing number of viable, fertile hybrids is produced over the course of the next one hundred generations