The United States devotes more acerage to ___
than any other plant.
a. wheat
b. corn
c. rice
d. potatoes
e. legumes
B
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Many errors made during DNA replication are corrected during DNA replication through proofreading by ____.
a. DNA polymerase b. primase c. telomerase d. DNA ligase e. helicase
Which of the following mutations is considered a synonymous change?
A) ACC to AUG B) CUU to AUU C) CUU to CUA D) CUU to CUA E) UUU to UUA
H. floresiensis fossils found on the Indonesian island of Flores have been dubbed “hobbits” by the media because of
what feature? a. They had small brains. b. They had large feet c. They were only 1 m tall. d. They had stone fireplaces. e. They were found to have lived in trees.
A spermatocyte produces the following four sperm cells. n +1 n+1 n-1 n-1 These cells are the result of nondisjunction during which of the following phases?
(A) Interphase (G1 or G2) (B) Interphase (S) (C) Mitosis (D) Meiosis I (E) Meiosis II