Autoclaving is effective for most materials except for

A) proteins.
B) enzymes.
C) amino acids.
D) oils.


Ans: D) oils.

Biology & Microbiology

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Which statement is TRUE regarding fungal spores?

A) Conidia are asexual spores. B) Ascospores are sexual spores. C) Basidiospores are sexual spores. D) Conidia are asexual spores, and both ascospores and basidiospores are sexual spores.

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Which type of epithelium functions in diffusion?

a. simple squamous epithelium b. stratified squamous epithelium c. cuboidal epithelium d. simple columnar epithelium e. simple pseudostratified columnar epithelium

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Which of the following is NOT an action of the sympathetic nervous system?

a. to dilate the bronchioles b. to stimulate saliva production c. to increase heart rate d. to increase blood pressure e. to inhibit penile erection

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Primase is the enzyme responsible for:a

unwinding the DNA double strand to allow DNA polymerase access to the template DNA. b. introducing nicks into the DNA double strand in order to prevent the formation of knots. c. hydrolyzing ATP to facilitate DNA unwinding. d. making short strands of RNA at the site of replication initiation. e. forming a replication fork in the DNA double helix.

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