Biological evolution occurs in ____ when specific processes cause genomes of organisms to differ from those of their
ancestors
a. individuals
b. populations
c. communities
d. phenotypes
e. genotypes
ANSWER: b
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They might be conducting such an experiment to _____
A) find the location of a particular gene in the human genome B) prepare to isolate the chromosome on which a particular gene of interest C) find which of the students has which alleles D) measure the expression of one or more genes in their genomes E) determine if any of them carries an extra sex chromosome
In order to understand the driving force of ATP synthase in chloroplasts, researchers broke open chloroplasts, isolated
the thylakoid membrane and measured ATP synthesis under different light conditions. What were the results of this experiment?
a. ATP production occurred only in light, suggesting that the light is directly responsible for the activation of ATP synthase. b. ATP production occurred only in light, suggesting that the light is indirectly responsible for the activation of ATP synthase. c. ATP production occurred only in dark, suggesting that the light directly inhibits ATP synthase. d. ATP production occurred only in dark, suggesting that the photons of light act as allosteric (non-competitive) inhibitors of ATP synthase. e. ATP production occurred only in dark, suggesting that the light is indirectly responsible for the activation of ATP synthase.
Which of the following accurately describes energy?
A) something that must be eaten B) something that produces heat C) something that can cause movement D) something that has the capacity to do work E) something that provides sunlight
.The formation of a multicellular organism from a fertilized egg is called development. Development is accomplished through the processes of:
A) mitosis and cytokinesis. B) meiosis and cytokinesis. C) meiosis and mitosis. D) fission and cytokinesis. E) mitosis and fission.