Which of the following may form one colony?

A. A single bacterial cell
B. A small clump of bacteria
C. A short chain of bacteria
D. All of the choices are correct.


Answer: D

Biology & Microbiology

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Each of the following are electron carriers except ________.

A. FADP B. FAD C. NAD D. NADP

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Four of the five plants listed below have

flagellated sperm. Select the EXCEPTION.

a. mosses b. horsetails c. ginkgos d. conifers e. ferns

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What is false concerning the muscle enhancing

supplement creatine? a. The FDA banned the sale of creatine. b. Creatine is a short chain of amino acids. c. It improves performance in brief, high-intensity exercise d. It may strain kidneys. e. Commercial creatine products are not regulated.

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What enzyme splits a membrane phospholipid into inositol trisphosphate (IP3) and diacylglycerol (DAG)?

a. phospholipase C b. protein kinase C c. adenylyl cyclase d. protein kinase A e. phosphodiesterase

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