Each amino acid is composed of a central carbon that forms covalent bonds with four other atoms/molecules. These atoms/molecules include each of the following EXCEPT which one?
A) an R group
B) an A group
C) an amino group
D) a hydrogen atom
E) a carboxyl group
B
Biology & Microbiology
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The infectious dose of most pathogens is about equal
Indicate whether this statement is true or false.
Biology & Microbiology
Where do correlation, association, and learning occur in the brain?
A. cerebellum B. corpus callosum C. medulla D. cerebrum E. pons
Biology & Microbiology
Which invention from the 17th century allowed for the development of modern cell theory?
A. X-rays B. computers C. the light microscope D. the scanning electron microscope
Biology & Microbiology
Which substance is not a biofuel? a. Alcohols b. Gases c. None of these are biofuels
d. All of these are biofuels. e. Oils
Biology & Microbiology