1. The study of tissues is a. cytology b. histology c. molecular biology d. micr

1. The study of tissues is
a. cytology
b. histology
c. molecular biology
d. microbiology
e. surface anatomy
2. In a negative feedback mechanism, the response of the effect or
a. reverses the original stimulus
b. enhances the original stimulus
c. has no effect on the original stimulus
d. is usually damaging to the body
e. creates a cycle that leads away from homeostasis
3. Covalent bonds form when
a. atomic nuclei fuse
b. molecules become ionized
c. neutrons are transferred from one atom to another
d. protons are lost from atoms
e. electrons are shared between two atoms
4. Reactions that use water to split molecules apart are called _______ reactions.
a. dehydration
b. synthesis
c. hydrolysis
d. reversible
e. oxidation

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