Question # 1

The most complex strueture a single polypetide can assume is

Choose an answer

1° structure

2°structure

3° structure

4° structure

An element that is not an essential par of proteins is

Choose an answer

O

N

H

S

The type of isomerism shown by alkyl halides is

Choose an answer

geometric

functional

positional

metamerism

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

Choose an answer

Urease

Zymase

Invertase

Sucrase

The enzyme which is found in saliva, accelerates the conversion of starch into sugar is

Choose an answer

Pepsin

Thrombin

Ptyalin

Fumarase

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

Choose an answer

Co-factor

Isoenzyme

Prosthetic group

Substrate

For a particular halogen, the reactivity of alkyl halides

Choose an answer

remains same with C-increase

decreases with C-increase

increases with C-increase

decreases with C-decrease

UV rays inactivate enzymes because they

Choose an answer

change sequence of amino acids of enzymes

They add prosthetic group to them

They increase their specificity

affect structure of enzymes

The enzymes that bring about exchange of functional groups like phosphate are called

Choose an answer

Ligases

Lyases

Isomerases

Transferases

Prosthetic groups are

Choose an answer

helical structures in protein

sulphur containing parts of protein

non-protein parts in compound proteins

sites for hydrogen bonding

An example of regulatory protein is

Choose an answer

nucleoprotein

hemoglobin

lactoglobulin

thyroxine

Increased concentration of enzyme alkaline phosphatase is a sign of

Choose an answer

hemophilia

heart disease

thrombosis

rickets

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

Choose an answer

addition of water

addition of ammonia

removal of ammonia

removal of water

Proteins loose their ability to work

Choose an answer

by slight heating

by change in structure

by slight cooling

when inside the body

Enzymes consist of

Choose an answer

proteins only

proteins and non-protein parts

fats only

futs and non-fatty components

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

Choose an answer

Derived protein

Albumins

Conjugated simple protein

Conjugated protein

An example of simple protein is

Choose an answer

lipoprotein

Cholesterol

lecithin

globulin

Enzymes have been classified on the basis of

Choose an answer

protein structure

prosthetic groups

type of reaction they catalyse

bonding in them

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

Choose an answer

Metallic Bond

Di sulfide bond

Peptide Bond

L-asparginase is helpful in treatment of

Choose an answer

skin disease

blood cancer

heart failure

obstructive jaundice

More Classes

Other Links

MDCAT Chemistry Chapter 19 Macromolecules Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer