2630489
Description
Quiz by howcontrived, updated more than 1 year ago
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Created by howcontrived
over 9 years ago
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Question 1
Question
Which of the following are monosaccharides? Pick all that apply.
Answer
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Cellobiose
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Ribose
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Sucrose
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Maltose
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Galactose
Question 2
Question
Which of the following are considered macromolecules? Check all that apply.
Answer
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Water
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Fatty acids
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Cellulose
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Deoxyribonucleic acid
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Isoprene
Question 3
Question
Which of the following are lipids?
Answer
-
Oleic acid
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Glycerol
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Estrogen
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Chitin
-
Vitamin A
Question 4
Question
Which of the following is a property of water? Check all that apply.
Answer
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It is considered a universal solvent.
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It is miscible with oil.
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It has a high surface tension.
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It has a low specific heat capacity.
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It forms hydrogen bonds with other water molecules.
Question 5
Question
Which of the following interactions are important for protein folding?
Answer
-
Hydrogen bonds
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Disulfide bridges
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Glycosidic bonding
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Hydrophobic effect
Question 6
Question
Which of the following are TRUE about protein folding?
Answer
-
Some proteins can spontaneously fold into their native conformation.
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hsp60 and hsp70 can assist in protein assembly.
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Misfolded proteins can be toxic to cells.
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Once a protein has folded, it cannot be unfolded.
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All proteins require enzymes in order to fold correctly.
Question 7
Question
Water comprises what percentage of a cell's mass?
Answer
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~ 50%
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~ 70%
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~ 85%
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None of these answers is correct.
Question 8
Question
Which of the following is NOT a function of carbohydrates.
Answer
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Provide fuel/energy.
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Lubrication.
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Catalysis.
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Cellular communication.
Question 9
Question
Which of the following contains 1 to 4 beta-glycosidic bonds?
Answer
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Maltose
-
Glycogen
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None of these
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Chitin
Question 10
Question
Which of the following is a saturated fatty acid?
Answer
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Palmitate
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Oleate
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Arachidonic acid
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Cholesterol
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All of the above are saturated fatty acids.
Question 11
Question
Which amino acids contain sulfur?
Answer
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Glycine
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Methionine
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Tryptophan
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Cysteine
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Valine
Question 12
Question
Which amino acids form disulfide bonds?
Answer
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Isoleucine
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Proline
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Cysteine
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Methionine
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Glycine
Question 13
Question
All sterols are hormones.
Answer
- True
- False
Question 14
Question
Adenosine triphosphate is a nucleotide.
Answer
- True
- False
Question 15
Question
This molecule is incorporated into DNA.
Answer
- True
- False
Question 16
Question
There are hundreds of naturally occurring amino acids.
Answer
- True
- False
Question 17
Question
Which of the following statements about amino acids is true?
Answer
-
Only the L-amino acids are incorporated into proteins (with rare exceptions).
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There are 20 essential amino acids.
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All amino acids are acidic.
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None of these is true.
Question 18
Question
Which are true about prions?
Answer
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Some of them are transmissible.
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About half of the abnormal prion protein consists of beta-sheets.
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They are found in viruses.
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They are thought to cause certain types of spongiform encephalopathies.
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All misfolded proteins are prions.
Question 19
Question
Which of the following are types of RNA?
Answer
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messenger
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transfer
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ribosomal
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polyclonal
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small nuclear
Question 20
Question
Which of the following molecules is amphipathic?
Answer
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Water
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Phosphatidylserine
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None of the above
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Isoprenoids
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