RNA polymerase has no proofreading activity during transcription
Indicate whether the statement is true or false
FALSE
Explanation: RNA polymerase has two different proofreading activities for correcting incorrectly inserted nucleotides.
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There are more bacteria in/on humans than there are cells within the human organism
A. true B. false
After ten years of hard work and intensive study, you complete your PhD in botany. Your dissertation is celebrated in your field, and your adviser informs you that you can choose any plant in the world to continue your research. Without hesitation, you choose one of the strangest plants on the planet, the Welwitschia! But this rare species, the singular in its genus, can be found in only one place. Where must you travel to research this bizarre and fascinating plant?
a. Siberia b. New Guinea c. Namib d. Tibet
Within the nitrogen cycle, which organism both coverts and releases nitrogen?
a. bacteria b. viruses c. fungi d. plants e. humans
In terms of public health, the major lethal effect of smoking is ________
A) oral-facial cancer B) lung cancer C) peptic ulcers D) cardiovascular disease