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1516768
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
sealescience
, updated more than 1 year ago
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Created by
sealescience
almost 10 years ago
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Resource summary
Question 1
Question
Compare the structure of carbohydrates and lipids.
Answer
They both contain hydrogen-carbon bonds.
The both contain the elements carbon, hydrogen, and oxygen.
They're both constructed with long hydrocarbon chains.
They're both used for structures in the body.
They're both made of carbon rings.
Question 2
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 3
Question
Which of the following are biological processes?
Answer
monomers, polymers
lipids, carbohydrates, H2O
dehydration synthesis, protein synthesis, hydrolysis
photosynthesis, hydrolysis
Question 4
Question
Which of the following are biological macromolecules?
Answer
carbohydrates
lipids
nucleic acids
proteins
water
salt
Question 5
Question
Which of the following elements are found in a protein?
Answer
carbon
hydrogen
oxygen
nitrogen
phosphorous
sodium
Question 6
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 7
Question
What is the maximum number of covalent bonds one carbon atom able to form?
Answer
1
2
4
8
Question 8
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 9
Question
Which of the following shows foods high in carbohydrates?
Answer
eggs, meat, fish, beans
fats, oils, waxes
bread, rice, vegetables, and sugar
Question 10
Question
Which of the following is liquid at room temperature?
Answer
saturated fatty acids
unsaturated fatty acids
phospholipids
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