Test
UMHS Cell Bio Quiz #1- Macromolecules and Water (Easy)
Este test tiene tiempo límite, así que se abre en el reproductor de siempre.
Preguntas del test (20)
1Which of the following are monosaccharides? Pick all that apply.
- ACellobiose
- BRibose
- CSucrose
- DMaltose
- EGalactose
2Which of the following are considered macromolecules? Check all that apply.
- AWater
- BFatty acids
- CCellulose
- DDeoxyribonucleic acid
- EIsoprene
3Which of the following are lipids?
- AOleic acid
- BGlycerol
- CEstrogen
- DChitin
- EVitamin A
4Which of the following is a property of water? Check all that apply.
- AIt is considered a universal solvent.
- BIt is miscible with oil.
- CIt has a high surface tension.
- DIt has a low specific heat capacity.
- EIt forms hydrogen bonds with other water molecules.
5Which of the following interactions are important for protein folding?
- AHydrogen bonds
- BDisulfide bridges
- CGlycosidic bonding
- DHydrophobic effect
6Which of the following are TRUE about protein folding?
- ASome proteins can spontaneously fold into their native conformation.
- Bhsp60 and hsp70 can assist in protein assembly.
- CMisfolded proteins can be toxic to cells.
- DOnce a protein has folded, it cannot be unfolded.
- EAll proteins require enzymes in order to fold correctly.
7Water comprises what percentage of a cell's mass?
- A~ 50%
- B~ 70%
- C~ 85%
- DNone of these answers is correct.
8Which of the following is NOT a function of carbohydrates.
- AProvide fuel/energy.
- BLubrication.
- CCatalysis.
- DCellular communication.
9Which of the following contains 1 to 4 beta-glycosidic bonds?
- AMaltose
- BGlycogen
- CNone of these
- DChitin
10Which of the following is a saturated fatty acid?
- APalmitate
- BOleate
- CArachidonic acid
- DCholesterol
- EAll of the above are saturated fatty acids.
11Which amino acids contain sulfur?
- AGlycine
- BMethionine
- CTryptophan
- DCysteine
- EValine
12Which amino acids form disulfide bonds?
- AIsoleucine
- BProline
- CCysteine
- DMethionine
- EGlycine
13All sterols are hormones.
- AVerdadero
- BFalso
14Adenosine triphosphate is a nucleotide.
- AVerdadero
- BFalso
15This molecule is incorporated into DNA.
- AVerdadero
- BFalso
16There are hundreds of naturally occurring amino acids.
- AVerdadero
- BFalso
17Which of the following statements about amino acids is true?
- AOnly the L-amino acids are incorporated into proteins (with rare exceptions).
- BThere are 20 essential amino acids.
- CAll amino acids are acidic.
- DNone of these is true.
18Which are true about prions?
- ASome of them are transmissible.
- BAbout half of the abnormal prion protein consists of beta-sheets.
- CThey are found in viruses.
- DThey are thought to cause certain types of spongiform encephalopathies.
- EAll misfolded proteins are prions.
19Which of the following are types of RNA?
- Amessenger
- Btransfer
- Cribosomal
- Dpolyclonal
- Esmall nuclear
20Which of the following molecules is amphipathic?
- AWater
- BPhosphatidylserine
- CNone of the above
- DIsoprenoids
Información
- Descripción
- Quiz for first Cell Biology lecture.
- Autor
- howcontrived
- Idioma
- English
- Visitas
- 275
- Historial
- Creado el 30 abr 2015 · actualizado el 3 dic 2016
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