Biology Chapter 5 Question Preview (ID: 3130)
More Detailed Review Of Chapter 5: Molecules Of Life.
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An organic molecule is based on ____, while hydrocarbons are organisms that must also have _____
a) hydrogen, carbon
b) oxygen, nitrogen
c) carbon, hydrogen
d) nitrogen, oxygen
Which of the 4 main functional groups below is used for electron bonding?
a) hydroxyl group
b) carbonyl group
c) carboxyl group
d) amino group
A carbohydrate is not --
a) inorganic
b) have a base of CH2O
c) ring-shaped
d) hydrophilic
Which of the below is not a polysaccharide?
a) starch
b) glucose
c) glycogen
d) cellulose
A fat molecule is made of ___ and 3 ___ acids
a) glycogen, citric
b) glycogen, fatty
c) glycerol, citric
d) glycerol, fatty
A steroid molecule functions --
a) as chemical messengers
b) to cushion
c) to insulate
d) to store energy
Proteins are made of _____, which are made of ______
a) amino acids, polypeptides
b) denaturation, polypeptides
c) polypeptides, amino acids
d) denaturation, amino acids
Amino acids are not made of --
a) an amino group
b) polypeptides
c) a carboxyl group
d) a side group with unique chemical properties
_____ speed up chemical reactions by lowering activation energy, like their biological counterparts, _______
a) proteins, steroids
b) catalysts, enzymes
c) enzymes, catalysts
d) substrates, amino acids
Which helps build polymer chains?
a) Hydrolysis reaction
b) Condensation reaction
c) Dehydration reaction
d) Denaturation
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