Metal ions bound to enzymes are called _______
A. cofactors
B. coenzymes
C. vitamins
D. metalloids
E. anions
Answer Key: A
Biology & Microbiology
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A nutrient medium that has all of its chemical components identified and their precise concentrations known and reproducible is termed ________.
A. enriched B. reducing C. defined D. complex
Biology & Microbiology
What components of membranes are the most abundant?
a. carbohydrates b. sterols c. proteins d. fats e. phospholipids
Biology & Microbiology
Cholesterol is taken up into most cells of the body by
a. phagocytosis. b. receptor-mediated endocytosis. c. simple diffusion. d. caveolae formation.
Biology & Microbiology
If the wrong protein is produced, it may:
a. affect DNA expression. b. alter cellular structure. c. influence development. d. A and B. e. All of the above.
Biology & Microbiology