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2534973
Unit 2 Practice Quiz
Description
This will help you prepare for the Unit 2: Chemistry of Life test.
No tags specified
macromolecules
biology
cell biology
water
proteins
lipids
Quiz by
laduto14
, updated more than 1 year ago
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Created by
sealescience
about 9 years ago
Copied by
laduto14
about 9 years ago
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Resource summary
Question 1
Question
Which of the following is a list of monomers?
Answer
carbohydrates, nucleic acids, proteins
nucleotides, amino acids, monosaccharides
glucose, amino acids, fatty acids
lipids, proteins, amino acids
Question 2
Question
Which of the following are biological processes?
Answer
monomers, polymers
lipids, carbohydrates, H2O
dehydration synthesis, protein synthesis, hydrolysis
photosynthesis, hydrolysis
Question 3
Question
Which of the following are biological macromolecules?
Answer
carbohydrates
lipids
nucleic acids
proteins
water
salt
Question 4
Question
Which of the following elements are found in a protein?
Answer
carbon
hydrogen
oxygen
nitrogen
phosphorous
sodium
Question 5
Question
Why is water considered a polar molecule?
Answer
it contains two hydrogen atoms
both ends carry a positive charge
both ends carry a negative charge
each end has a different charge (positive and negative)
it dissolves other polar molecules
Question 6
Question
What is the maximum number of covalent bonds one carbon atom able to form?
Answer
1
2
4
8
Question 7
Question
Which of the following describes the role of a phospholipid?
Answer
Phospholipids store short term energy for the cell
Phospholipids catalyze (speed up) chemical reactions
Phospholipids form the cell's membrane
Phospholipids carry hereditary information
Question 8
Question
Which of the following shows foods high in carbohydrates?
Answer
eggs, meat, fish, beans
fats, oils, waxes
bread, rice, vegetables, and sugar
Question 9
Question
Which of the following is liquid at room temperature?
Answer
saturated fatty acids
unsaturated fatty acids
phospholipids
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