Chloroplasts are thought to have originated as endosymbiotic associations when aerobic bacteria engulfed
photosynthetic cells. This relationship was favored by the production of ____ by the endosymbiont.
a. glucose
b. hydrogen ions
c. ATP
d. oxygen
e. water
ANSWER: d
Biology & Microbiology
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Natural selection results in ____
a. adaptation b. mutations c. new species d. genetic drift e. gene flow
Biology & Microbiology
Currently, the only possible cure for genetic disorders is ____
a. genetically modified drugs b. transplantation c. whole genome replacement d. gene therapy e. GMOs
Biology & Microbiology
Which of the following is not a common component of circulating blood?
a) blood plasma b) formed elements c) proerythrocytes d) platelets e) leukocytes
Biology & Microbiology
Under anaerobic conditions, pyruvate can be broken down by ____
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology