Question # 1

The specifie substance (metabolite) that fits on the enzyme surface and is converted to products is called

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Co-factor

Isoenzyme

Prosthetic group

Substrate

Simplest Structure of a protein that has only covalent bonding between amino acids is

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2° structure

3°structure

1° structure

4° structure

Increased concentration of enzyme alkaline phosphatase is a sign of

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hemophilia

heart disease

thrombosis

rickets

An element that is not an essential par of proteins is

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O

N

H

S

An example of simple protein is

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lipoprotein

Cholesterol

lecithin

globulin

The structure of protein helps protein to

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be in proper shape

attach substrate

perform is function

All of these

An example of regulatory protein is

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nucleoprotein

hemoglobin

lactoglobulin

thyroxine

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

The protein component of enzyme ls called

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apoenzyme

proenzyme

holoenyme

co-enzyme

Prosthetic groups are

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helical structures in protein

sulphur containing parts of protein

non-protein parts in compound proteins

sites for hydrogen bonding

Helical structure of proteins is stabilized by

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Peptide bond

Dipeptide bond

Van der Wall's forces

Hydrogen bonding

Which of the following is not a property of enzymes?

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extraordinary speciffcity

reversibility of reactions

high efficiency

minimum activity at optimum T

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

Enzymes have been classified on the basis of

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protein structure

prosthetic groups

type of reaction they catalyse

bonding in them

Glucose is converted into ethanol by the enzyme present in the yeast

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Urease

Zymase

Invertase

Sucrase

Phosphoprotein comes under the type of proteins

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Simple protein

Derived protein

Conjugated

Both A & B

Succinic thiokinase is an enzyme of the type

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mutase

peroxidase

ligase

lyase

An example of bydrolase is

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Amylase

Lipase

Fumarase

A,C

Collagen is a fibrous protein present most abundantly in

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heart

nucleus

connective tissues

Arteries

L-asparginase is helpful in treatment of

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skin disease

blood cancer

heart failure

obstructive jaundice

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