Researchers are interested in the genomes of prokaryotic species for all of the following reasons EXCEPT that
A. bacteria cause many diseases that affect people, plants, and animals.
B. the origin of the first eukaryotic cell probably involved a union between an archaeal and a bacterial cell.
C. bacteria reveal modes of infection.
D. bacteria are more highly advanced than humans.
E. All of the choices are reasons for studying genomes of prokaryotic species.
Answer: D
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Water diffuses through certain organs such as the kidneys and bladder much faster than would occur by passive diffusion through a lipid bilayer alone. What accounts for this more rapid rate of water transport in these organs?
A. The composition of lipids changes to promote water transport. B. Presence of aquaporin channels for facilitated diffusion of water. C. Presence of a water pump. D. Presence of an ATP-driven enzyme for water transport. E. The presence of molecules that bind water and change its membrane permeability properties.
If a trait is heritable, then individuals with a genetic relatedness of 0.5 are expected to
A) exhibit more phenotypic similarity than two random individuals in the population. B) be as similar in phenotype as a pair of random individuals in the population. C) have identical phenotypes because they are twins. D) have an average phenotypic value that is close to the mean of the population.
The topic of ____, the idea of the fundamental unit of living organisms, raised several questions in Mendel’s mind
about inheritance. a. evolution b. cosmology c. cell theory d. DNA e. blood typing
An exergonic (spontaneous) reaction is a chemical reaction that __________.
Fill in the blank(s) with the appropriate word(s).