Which enzyme is NOT present in a replisome?
a. DNA helicase
b. RNA polymerase
c. DNA primase
d. DNA polymerase III
Ans: b. RNA polymerase
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In ________, ribosomes can attach to the mRNA and begin translation even though transcription has not been completed.
A. fungi B. prokaryotes C. protozoa and some plants D. eukaryotes
Eukaryotes such as animal and plants cells differ from prokaryotes in that prokaryotes rev: 10
A. lack internal compartmentalization. B. lack true DNA. C. use the cell's membrane rather than ribosomes for making proteins. D. contain numerous organelles. E. undergo sexual reproduction.
The bacteriophages used in Alfred Hershey's and Martha Chase's experiments showed that:a
DNA was injected into bacteria. b. DNA and protein were injected into bacteria. c. DNA remained on the outer coat of bacteria. d. proteins were injected into bacteria. e. proteins were responsible for the production of new viruses within the bacteria.
The preservation of beef jerky from microbial growth relies on which method of microbial control?
A) filtration B) lyophilization C) desiccation D) ionizing radiation E) supercritical CO2