2630489
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Quiz von howcontrived, aktualisiert more than 1 year ago
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Erstellt von howcontrived
vor mehr als 9 Jahre
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Frage 1
Frage
Which of the following are monosaccharides? Pick all that apply.
Antworten
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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
Frage 2
Frage
Which of the following are considered macromolecules? Check all that apply.
Antworten
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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
Frage 3
Frage
Which of the following are lipids?
Antworten
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Oleic acid
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Glycerol
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Estrogen
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Chitin
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Vitamin A
Frage 4
Frage
Which of the following is a property of water? Check all that apply.
Antworten
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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.
Frage 5
Frage
Which of the following interactions are important for protein folding?
Antworten
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Hydrogen bonds
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Disulfide bridges
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Glycosidic bonding
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Hydrophobic effect
Frage 6
Frage
Which of the following are TRUE about protein folding?
Antworten
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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.
Frage 7
Frage
Water comprises what percentage of a cell's mass?
Antworten
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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.
Frage 8
Frage
Which of the following is NOT a function of carbohydrates.
Antworten
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Provide fuel/energy.
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Lubrication.
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Catalysis.
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Cellular communication.
Frage 9
Frage
Which of the following contains 1 to 4 beta-glycosidic bonds?
Antworten
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Maltose
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Glycogen
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None of these
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Chitin
Frage 10
Frage
Which of the following is a saturated fatty acid?
Antworten
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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.
Frage 11
Frage
Which amino acids contain sulfur?
Antworten
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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
Frage 12
Frage
Which amino acids form disulfide bonds?
Antworten
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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
Frage 13
Frage
All sterols are hormones.
Antworten
- True
- False
Frage 14
Frage
Adenosine triphosphate is a nucleotide.
Antworten
- True
- False
Frage 15
Frage
This molecule is incorporated into DNA.
Antworten
- True
- False
Frage 16
Frage
There are hundreds of naturally occurring amino acids.
Antworten
- True
- False
Frage 17
Frage
Which of the following statements about amino acids is true?
Antworten
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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.
Frage 18
Frage
Which are true about prions?
Antworten
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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.
Frage 19
Frage
Which of the following are types of RNA?
Antworten
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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
Frage 20
Frage
Which of the following molecules is amphipathic?
Antworten
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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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