What is the purpose of evolution?
a. Evolution has an ultimate goal of ensuring that organisms occupy every available biological niche on Earth.
b. The purpose of evolution is to produce organisms with maximum fitness for their individual environments.
c. Evolution does not have a goal; it is simply a description of the forces that influence a population’s genes over time.
d. Evolution is intended to design organisms that are beneficial for humans and advance human civilization.
c. Evolution does not have a goal; it is simply a description of the forces that influence a population’s genes over time.
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In biology, many complementary processes exist. Explain how condensation reactions are complementary to
hydrolysis reactions.
What will be an ideal response?In a mixture of gases, the driving force for the movement of an individual gas within that mixture is ultimately the
A) total pressure of the gases. B) volume of the gas. C) partial pressure of that gas. D) fractional concentration of that gas. E) solubility of the gas.
Enzyme used in the synthesis of mRNA
A) DNA ligase B) DNA polymerase C) RNA polymerase D) Restriction enzyme E) Reverse transcriptase
In all plants, the zygote and earliest stages of the developing embryo are
A) enclosed within a seed. B) enclosed within a pollen grain. C) attached to and nourished by the parent plant. D) able to disperse in a tough-walled spore.