The creation of offspring carrying genetic information from a single parent is called
A) asexual reproduction.
B) sexual reproduction.
C) a life cycle.
D) regeneration.
E) spontaneous generation.
Ans: A) asexual reproduction.
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The insects were the first organisms to
(a) show bilateral symmetry. (b) exhibit segmentation. (c) fly. (d) develop lungs.
How is a gradient of H+ ions formed across the inner mitochondrial membrane?
A. The electron transport chain uses energy from transfer of an electron donated by NADH to pump H+ across the inner mitochondrial membrane against its electrochemical gradient. B. ATP synthase generates a H+ gradient across the inner mitochondrial membrane. C. Electrons move from NADH to a chain of proteins with lower electronegativities. D. The electron transport chain uses ATP to pump H+ across the inner mitochondria membrane against its electrochemical gradient. E. The electron transport chain of proteins contains pores that are leaky to H+.
A(n)___________ is defined as a heritable change in the genetic material.
Fill in the blank(s) with the appropriate word(s).
Which of the following are considered to be frameshift mutations?
A) insertions only B) inversions only C) deletions only D) both inversion and insertions E) both deletions and insertions