DNA may be damaged from the by-products of normal cellular aerobic respiration. Name three of these electrophilic oxidants that are generally classified as reactive oxidants

What will be an ideal response?


superoxides (O2-), hydroxyl radicals (?OH), and hydrogen peroxide (H2O

Biology & Microbiology

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Photosystem II functions before Photosystem I in the linear flow of electrons

a. True b. False

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Fungi are surrounded by a cell wall made of chitin

Indicate whether the statement is true or false

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The 3’ trailing sequences are located upstream of the stop codon

__________________ Indicate whether the statement is true or false.

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Which of the following is responsible for closing off the airway during swallowing?

a. the larynx b. the epiglottis c. the pharynx d. the intercostal muscles

Biology & Microbiology