Quiz
Basic biochemistry review: biomolecules, proteins, DNA
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Perguntas do quiz (30)
1Both bacterial and mammalian cells have the following in common
- Acell wall
- Bpilli
- Cribosome
- Dmitochondria
2All of the following are trace elements involved in regulation of osmotic pressure in body fluids except
- ANa
- BMg
- CCu
- DCa
3Cellulose differs from the starch amylose by
- Aamount of branch chains
- Bsugar sunits
- Cnumber of carbons in the sugar units
- Dtype of bond
4The process of DNA copying is called
- Atrasncription
- Breplication
- Cduplication
- Dtranslation
5The theoretical and actual number of hydrogen bonds a water molecule can make with other water molecules at 10 deg C is
- A 4 and 3
- B3 and 4
- C4 and 4
- D4 and 2
6hydrogen is the side chain of glycine, although the side chain is neither polar nor nonpolar, it is grouped with which set of amino acids
- Apolar uncharged
- Bpolar charged
- Chydrophobic
- Dno set
7Which of the following is not classified as a noncovalent interaction?
- AVan der Waals
- BPolar bond
- CHydrogen bond
- Dionic bond
8the synthesis of protein on the ribosomes from the information carried on the mRNA is called
- ATranscirption
- BReverse Transciprtion
- CTranslation
- DReplication
9the nucleotide base in mRNA that is used in DNA is abbreviated by the letter is
- AA
- BG
- CC
- DU
10Ctric acid with the above structure is capable of releasing how many H+?
- A1
- B2
- C3
- D4
11The zwitterionic form of an amino acid is the predominate form at physiologic pH
- AVerdadeiro
- BFalso
12As a globular protein, Collagen contains a high percentage of hydrophillic amino acid residues
- AVerdadeiro
- BFalso
13A protein that contains 235 amino acids would have an estimated molecular weight of 25,850 daltons.
- AVerdadeiro
- BFalso
14In a peptide bond, the N involved in the peptide bond maintains its ability to be a hydrogen bond donor but loses the ability to be a hydrogen bond acceptor.
- AVerdadeiro
- BFalso
15The bulk elements of the body are all capable of forming hydrogen bonds
- AVerdadeiro
- BFalso
16hydrophilic interactions is one of the 4 noncovalent interactions mentioned in class.
- AVerdadeiro
- BFalso
17Hemoglobin is a protein containing 4 subunits each with a prosthetic group that has chlorophyll
- AVerdadeiro
- BFalso
18The functional activity of a protein under cellular conditions depends on its folding into a distinct, 3D structure called the native conformation
- AVerdadeiro
- BFalso
19All the proteins expressed by an organism are called the genome
- AVerdadeiro
- BFalso
20Gel filtration chromatography separates proteins based only on their overall charges
- AVerdadeiro
- BFalso
21The __________________ contains genomic DNA,RNA, and histone proteins
- Anucleus
- Bx
22The Eukaryotic organelle that is the site of energy metabolism and the synthesis of high energy ATP is the
- AMitochondria
- Bx
23The geometry of water is called
- Abent
- Bx
24The reaction resulting in the formation of a peptide bond is defined as _________________________due to the release of a water molecule. Another name for this type of reaction is a _______________________
- Acondensation
- Bdehydration
25Metabolism is made up of two sets of biochemical reactions. ________________________ is involved in the synthesis of all biomolecules and ______________ is involved in the breakdown.
- Aanabolism and catabolism
- Bx
26The four levels of protein structure are
- Aprimary, secondary, tertiary and quatermary
- Bx
27The henderson hasselbach equation is ________ = _______________ +log([----]/[HA])
- ApH pka A-
- Bx
28the method of choice for the N-terminal sequencing of proteins is called _____________________
- AEdmans
- Bx
29Besides insulin, name a biologically important peptide
- Aidk
- Bx
30the reaction conditions for the complete hydrolysis of a protein into its constituent amino acids are ________________ H2O @ 110 deg C for 12 hrs
- A6 molar HCL
- Bx
Informações
- Descrição
- Quiz sobre Sem título, criado por sbelmar10 em 01-12-2014.
- Autor
- sbelmar10
- Idioma
- English
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