2630489
Descripción
Test por howcontrived, actualizado hace más de 1 año
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Creado por howcontrived
hace casi 9 años
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Pregunta 1
Pregunta
Which of the following are monosaccharides? Pick all that apply.
Respuesta
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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
Pregunta 2
Pregunta
Which of the following are considered macromolecules? Check all that apply.
Respuesta
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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
Pregunta 3
Pregunta
Which of the following are lipids?
Respuesta
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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
Pregunta 4
Pregunta
Which of the following is a property of water? Check all that apply.
Respuesta
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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.
Pregunta 5
Pregunta
Which of the following interactions are important for protein folding?
Respuesta
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Hydrogen bonds
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Disulfide bridges
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Glycosidic bonding
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Hydrophobic effect
Pregunta 6
Pregunta
Which of the following are TRUE about protein folding?
Respuesta
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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.
Pregunta 7
Pregunta
Water comprises what percentage of a cell's mass?
Respuesta
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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.
Pregunta 8
Pregunta
Which of the following is NOT a function of carbohydrates.
Respuesta
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Provide fuel/energy.
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Lubrication.
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Catalysis.
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Cellular communication.
Pregunta 9
Pregunta
Which of the following contains 1 to 4 beta-glycosidic bonds?
Respuesta
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Maltose
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Glycogen
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None of these
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Chitin
Pregunta 10
Pregunta
Which of the following is a saturated fatty acid?
Respuesta
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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.
Pregunta 11
Pregunta
Which amino acids contain sulfur?
Respuesta
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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
Pregunta 12
Pregunta
Which amino acids form disulfide bonds?
Respuesta
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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
Pregunta 13
Pregunta
All sterols are hormones.
Respuesta
- True
- False
Pregunta 14
Pregunta
Adenosine triphosphate is a nucleotide.
Respuesta
- True
- False
Pregunta 15
Pregunta
This molecule is incorporated into DNA.
Respuesta
- True
- False
Pregunta 16
Pregunta
There are hundreds of naturally occurring amino acids.
Respuesta
- True
- False
Pregunta 17
Pregunta
Which of the following statements about amino acids is true?
Respuesta
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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.
Pregunta 18
Pregunta
Which are true about prions?
Respuesta
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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.
Pregunta 19
Pregunta
Which of the following are types of RNA?
Respuesta
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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
Pregunta 20
Pregunta
Which of the following molecules is amphipathic?
Respuesta
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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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