Microbial enzymes are used
A. in the production of linen.
B. as preservatives.
C. in spot removers.
D. as a component of fabric dyes.
E. to biodegrade plastics.
Answer: C
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A protein that is temporarily associated with a biological membrane is a(n):
A. transmembrane protein. B. integral membrane protein. C. peripheral membrane protein. D. transmembrane protein and an integral membrane protein.
Cholesterol
a. has a rigid backbone of four carbon rings. b. is the most common steroid in animal tissue. c. is a lipid without a fatty-acid component. d. is needed to produce sexual development and maturity. e. is all of these.
Which of the following are components of the ATP molecule? (Check all that apply.)
A. Deoxyribose B. Ribose C. Adenine D. Three phosphates
Which of the following most accurately describes spore production in ascomycetes?
A. Within each ascus, the zygote undergoes meiosis followed by mitosis to produce eight spores. B. Within each ascus, the zygote undergoes mitosis followed by meiosis to produce eight spores. C. Within each ascus, the zygote undergoes two rounds of mitosis to produce eight spores. D. Within each ascus, the zygote undergoes mitosis to produce four spores. E. Within each ascus, the zygote undergoes meiosis to produce four spores.