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