Based upon the identification of 12 species of Galápagos finches, Charles Darwin hypothesized that the finches were not closely related.
a. true
b. false
b. false
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The complete genetic material of an organism is its
A) genome. B) chromosome. C) phenotype. D) genotype. Answer A
Four of the five answers listed below are at
least characteristics of some of the bacteria. Select the EXCEPTION.
a. heterotrophy b. photosynthesis c. chemosynthesis d. Multi-cellular e. no nucleus
How can humans survive if they have an inactive gene that encodes a nonfunctional myosin protein?
A. We have over 40 closely related myosin genes. B. Myosin is not essential for life. C. Myosin participates in several processes in the cell. D. Other proteins in the body can do the same thing as myosin. E. Other primates have the same nonfunctional myosin protein and survive.
Which of the following substances is commonly used to inactivate microbes?
A) formaldehyde B) alcohol C) synthetic detergents D) fluorescent dyes E) alum