Face length in dogs is controlled by ____

a. a dozen alleles
b. a dozen genes
c. multiple chromosomes
d. sex-linked alleles
e. trisomies


ANSWER: a

Biology & Microbiology

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The synthesis of ATP from ADP and Pi is a(n) _____ reaction with a ____ G

A. exergonic; positive B. endergonic; negative C. exergonic; negative D. endergonic; positive E. reversible; 0

Biology & Microbiology

Use the principle of parsimony and molecular genetic data to choose a phylogenetic tree for your hypothesis of how the species were derived from the ancestor.



A. Tree 1 requires the most mutations therefore it would be the best choice.
B. Tree 2 requires 4 mutations while Tree 1 requires 6 mutations therefore Tree 2 would be the best choice.
C. Tree 2 requires the least mutations, therefore it would be the best choice.
D. Tree 2 requires 5 mutations while Tree 1 requires 7 mutations therefore Tree 2, with the least mutations, would be the best choice.
E. Tree 1 requires 7 mutations and Tree 2 requires 4 mutations, therefore Tree 2 would be the best choice.

Biology & Microbiology

The respiratory pigment you would find in a blue crab or octopus is

A. hemocyanin. B. hemoglobin. C. hemophilin. D. ferritin. E. calmodulin.

Biology & Microbiology

Can the energy released as heat during respiration be recaptured and used to do additional work?

a. Yes b. No

Biology & Microbiology