A high concentration of chlorophyll embedded in the plasma membrane fold of a newly discovered species of bacteria suggests a

A. Chemolithoautotrophic metabolism
B. Photoautotrophic metabolism
C. Chemoheterotrophic metabolism
D. Photoheterotrophic metabolism


Answer: B

Biology & Microbiology

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What is the difference between a community and an ecosystem?

A. A community includes interacting populations with their surrounding environment, while an ecosystem does not include the surrounding environment. B. A community includes interacting populations without their surrounding environment, while an ecosystem includes the surrounding environment. C. A community and an ecosystem are the same thing in ecology. D. A community includes abiotic factors, while an ecosystem does not.

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what gas is used to sterilize catheters and rubber tubbing in hospitals?

What will be an ideal response?

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Gemmae function for

a. sexual reproduction. b. water retention. c. anchorage of a liverwort thallus to the substrate. d. asexual reproduction.

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Animals that select mates that are phenotypically similar will have ________ when compared with Hardy-Weinberg predictions.

A. more homozygotes. B. more mutations C. more heterozygotes D. less natural selection E. fewer homozygotes

Biology & Microbiology