Surface tension of an aqueous solution is generated by the presence of _____ between water molecules
a) covalent bonds
b) ionic bonds
c) hydrogen bonds
d) ester links
e) None of these choices.
Answer: c
Anatomy & Physiology
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The enzyme __________ breaks down acetylcholine and removes it from the synaptic cleft.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
An embryonic stem cell undergoes _____ to become a neuron
a) catabolism b) growth c) reproduction d) anabolism e) differentiation
Anatomy & Physiology
On a muscle fiber, the two terminal cisternae and the centrally placed T-tubule form a structure called a ______________
Fill in the blank with correct word.
Anatomy & Physiology
What kind of bond is formed when two atoms share electrons?
a. ionic b. covalent c. hydrogen d. isotopic
Anatomy & Physiology