An intermediate electron acceptor for oxidations that occur in both glycolysis and in Krebs cycle reactions
(A) Cytochrome
(B) FADH2
(C) NAD+
(D) NADP+
(E) Oxygen (O2)
Ans: (C) NAD+
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Insertion or deletion of a nucleotide in a gene causes a type of mutation called a(n) ____________________ mutation
Fill in the blank(s) with correct word
The fact that modern Native Americans share certain genetic markers with indigenous populations in southern Siberia, but not with others, is evidence that
A) the ancestors of modern Native Americans migrated from Siberia to the Americas. B) the ancestors of Native Americans migrated from Europe to the U.S. east coast. C) the ancestors of modern Siberians migrated from the west coast of the U.S. to Russia. D) Mitochondrial Eve lived in Siberia and her descendants migrated to the U.S.
The European cuckoo’s behavior as a “brood parasite” represents what type of behavior?
a. a response that is not a behavior b. instinctive behavior c. imprinting behavior d. learned behavior e. a time-dependent form of learning
In the selfish herd, there is an advantage to _____
a. being on the outside b. being near the front c. being in the middle d. being isolated e. being unpredictable