Question # 1

Primar structure of proteins refers to

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Coling and folding in form of specilie structure

3d structure

Number of amino acids in a chain

Alpha and Beta sheets

Amino acids react together to form the primary structure of proteins which is accompanied by

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addition of water

addition of ammonia

removal of ammonia

removal of water

Third order of protein structure refers to

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Bending of protein chain

Three-dimensional structure of protein

Number and sequence of amino acids

Site of disulphide bonds

Abumins and globulins are defined as

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Derived protein

Conjugated protein

Fibrous protein

Simple Protein

Succinic thiokinase is an enzyme of the type

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mutase

peroxidase

ligase

lyase

Alpha helix and beta pleated sheath are secondary structures of protein which are maintained by

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dipole forces

non-polar interactions

ionic bonds

Hydrogen bonds

The most complex strueture a single polypetide can assume is

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1° structure

2°structure

3° structure

4° structure

Increased concentration of enzyme alkaline phosphatase is a sign of

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hemophilia

heart disease

thrombosis

rickets

Which of the following bond is responsible for joining the amino acids in proteins?

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Metallic Bond

Di sulfide bond

Peptide Bond

All are examples of different classes of enzymes except

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Hydrolases

Isomerases

Oxido-reductases

Mutases

The most abundant protein in the human body is

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Collagen

Keratin

Myosin

Albumin

Dehydrogenase is an example of

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ligase

oxidoreductase

lyase

hydrolase

Phosphoprotein comes under the type of proteins

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Simple protein

Derived protein

Conjugated

Both A & B

The proteins which give an amino acid and non-protein group on hydrolysis are known as

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Derived protein

Albumins

Conjugated simple protein

Conjugated protein

Fe+2 is the co-factor for

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Chrome oxidase

Glucose-6-phosphatase

Carbonic anhydrase

Hydrolase

Enzymes have been classified on the basis of

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protein structure

prosthetic groups

type of reaction they catalyse

bonding in them

Enzymes are

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simple proteins

derived proteins

compound proteins

conjugated proteins

Based on the physico-chemical properties, proteins may be classified into the following types

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Simple proteins

Compound proteins

Derived proteins

All of the above

Denaturation of proteins is often characterised by

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Loss of biological activity

Aiways being irreversible

Being ereater the lower the temperature

Changes in primary structure

Which of the following is the element not present in all proteins?

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Carbon

Hydrogen

Nitrogen

Sulphur

More Classes

Other Links

MDCAT Chemistry Chapter 19 Macromolecules Online Test MCQs With Answers

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