Four of the five structures listed below are
nonreproductive parts of a flower. Select the
exception.
a. calyx
b. anther
c. corolla
d. petal
e. sepal
Answer: b
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A type of DNA sequence that expands access to a gene to promote its expression is a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Which one of the following blood types can a person with blood type B safely receive in a blood transfusion?
A) A B) B C) AB D) O E) B and O
Which of the following mechanisms helps prevent gastric juice from digesting the stomach lining?
A) mucus coating the inside surface of the stomach B) contractions of the stomach constantly moving chyme into the small intestine C) the continuous secretion of gastric juice D) the inactivation of pepsin by hydrochloric acid
occurs during telophase?
What will be an ideal response?