A fatty acid is unsaturated if it
A. contains hydrogen
B. contains carbon - carbon double bonds
C. contains a carboxyl group
D. bonds to a nucleotide
Ans: B. Contains carbon - carbon double bonds
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As a mechanism of evolution, natural selection acts on variants within populations and ultimately leads to the evolution of different species was proposed by
A. Mendel. B. Malthus. C. Founder. D. Lyell. E. Darwin.
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a. 25% b. 50%
While looking in a tide pool, you find an animal with a two-part shell and a large foot that it uses to bury itself in the
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Sister chromatids are separating from each other during:
A) anaphase. B) metaphase. C) prophase. D) telophase.