Some sulfur-oxidizing bacteria can simultaneously reduce nitrate, which enables them to grow anaerobically

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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A type of DNA sequence that expands access to a gene to promote its expression is a(n) ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

What is the main reason that mammals underwent adaptive radiation after the demise of the dinosaurs?

A. The mammals had little competition so it was easier for them to evolve into the niches that were once occupied by the dinosaurs. B. They had an "inner need" to become better suited to their environment. C. They had to adapt in order to physically survive the ice age. D. No answer choice is correct.

Biology & Microbiology

If a cell contained a mutation in the gene that encodes FtsZ, which process would be affected?

A. septation B. DNA Synthesis C. cohesin cleavage D. prophase E. cytokinesis

Biology & Microbiology

A new virus can only affect people who have a dominant allele. A woman is suseptible to the virus but one of her parents is not. The woman has a child with a man that is not suseptible to the virus. What is the probability that their child is suseptible?

A. 1/4 B. 1/3 C. 2/3 D. 1/2 E. 3/4

Biology & Microbiology