Superoxide ion is toxic to strict anaerobes because they lack
a. catalase
b. peroxidase
c. dismutase
d. oxidase
Ans: c. dismutase
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Which of the following processes is not a part of metagenomic analysis of an environment?
A. Polymerase chain reaction B. Extraction of DNA from original sample C. DNA sequence assembly D. Reverse transcription E. High-throughput sequencing
What molecule provides the energy for translation?
A. ADP B. ATP C. GMP D. GDP E. GTP
All of the following are glial cells except
A) interneurons. B) oligodendrocytes. C) astrocytes. D) Schwann cells. E) both choices A and D
Starchy foods in our diets, such as rice and potatoes, consist of many glucose molecules covalently bonded together to form
A. a simple sugar. B. a complex carbohydrate. C. a fatty acid chain. D. a triglyceride. E. a protein.