What compound is the most abundant in a cell

A. CO2
B. CH4
C. H2O
D. Glucose
E. NH3


Answer: C. H2O

Biology & Microbiology

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Oxidation is defined as the removal of ________. In biological systems, these are usually accompanied by protons in a process called ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

These organisms, which all live together, would be considered a(n) __________

a. organism b. population c. community d. ecosystem

Biology & Microbiology

Which of the following is most likely a regulatory molecule? 

A. hair B. muscle protein C. steroid D. calcium

Biology & Microbiology

An unbranched polymer composed of simple sugars is a(n)

A) protein. B) triglyceride. C) starch. D) glycoprotein. E) amino acid.

Biology & Microbiology