In metabolic processes of cell respiration and photosynthesis, prosthetic groups such as heme and iron-sulfur complexes are encountered in components of the electron transport chain. What do they do?

A) donate electrons
B) act as reducing agents
C) act as oxidizing agents
D) transport protons within the mitochondria and chloroplasts
E) both oxidize and reduce during electron transport


Ans: E) both oxidize and reduce during electron transport

Biology & Microbiology

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a. hepatophytes b. lycophytes c. bryophytes d. angiosperms e. gymnosperms

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The word gymnosperm means ____

a. covered seed b. active sperm c. naked egg d. naked seed e. covered sperm

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The emergent property of “life” appears at the level of the ____, when many molecules become organized

a. population b. atom c. organism d. cell e. community

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One of the functions of the skeletal system is the storage of ________ and ________

Fill in the blank(s) with correct word

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