The enterotype of a human depends primarily on:
A. gender.
B. nationality.
C. the predominant microbial genus of
organisms found in the gut.
D. body mass index.
C
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Genes whose expression (or abnormal expression) cause cancer are called ________.
A. cancer genes B. carcinogens C. progenes D. oncogenes
A biome characterized by warm, fairly dry climate that primarily contains grasses with scattered, isolated trees is a ________.
A. chaparral B. tundra C. temperate grasslands D. savanna
During this phase of the cell cycle the nuclear membrane starts to disassociate:
A. Metaphase B. Prometaphase C. Telophase D. Anaphase E. Prophase
Which of the following statements is true?
a. The cell walls of bacteria are composed of peptidoglycan. b. Peptidoglycan is a fatty acid. c. Gram-positive bacterial walls have a relatively thin layer of d. peptidoglycan anchored to the cytoplasmic membrane by teichoic acids.