Flexible bacteria with a helical shape are called ________.

A. vibrios
B. coccobacilli
C. spirilla
D. spirochetes


Answer: D

Biology & Microbiology

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Which of the following models for RNA polymerase II transcription termination is analogous to ?-dependent termination in bacteria?

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When an ant tends an aphid, it would be benefiting the aphid by removing honeydew from the aphids

anus, and benefiting from obtaining carbon.

Indicate whether the statement is true or false.

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Assume that a wild-type sequence is 5' AGCCTAC 3'. Which sequence could be produced by a transversion?

A) 5' AGTCTAC 3' B) 5' AGCCGCCGCCGCCTAC 3' C) 5' AGCCCAC 3' D) 5' ATCCTAC 3' E) 5' AGCCTGC 3'

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Which acid is a severe air pollutant?

1.primary producer 2.primary consumer 3.secondary consumer 4.tertiary consumer

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