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CHEM > macromolecules > Flashcards

macromolecules Flashcards

1
Q

The simplest amino acid that shows enantiomerism is

A

alanine

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2
Q

Number of repeating units in the chain is known as:

A

DP
The length of the polymer chain is specialized by the number of repeating units in the chain known as the degree of polymerization (DP)

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3
Q

Types of polymers on the basis of thermal properties are:

A

2
Thermosetting polymer: Which become hard on heating and cannot be softened again.
Example: Synthetic varnish, Epoxy resin
Thermoplastic polymer: Which can be softened repeatedly when heated and hardened when cooled with little change in properties.
Example: PVC pipes, Plastic toys.

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4
Q

The non-protein part present in the conjugated or compound proteins is called ________?

A

Prosthetic group

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5
Q

Which of following is mostly used in the packing of materials?

A

Polystyrene

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6
Q

A non-proteinaceous enzyme is

A

Ribozyme

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7
Q

The enzymes have an ability to catalyze the reactions up to __________ times

A

10 power 20

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8
Q

LDH-1
Lactic dehydrogenase is used in the treatment of:

A

Heart disease

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9
Q

Alkaline phosphatase

A

In rickets and obstructive jaundice

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10
Q

L-asparaginase

A

Blood cancer in children

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11
Q

Which of following polymerization proceeds at both end of chain?

A

Condensation: Proceed at both ends of chain
Addition: Proceeds at one end of chain, one end is blocked by -R group.

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12
Q

Prosthetic group containing proteins are

A

Conjugated proteins

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13
Q

examples of derived proteins

A

peptides
peptones
proteoses

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14
Q

E.coli contains ________ different types of proteins.

A

3000

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15
Q

Terpenes and steroids are

A

Non-saponifible

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16
Q

The recommended daily amount of zinc for an adult is _______mg.

A

10.0

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17
Q

Phosphatides contain

A

Fatty acid
Phosphoric acid
Nitrogenous

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18
Q

Human milk contains ________ lactose.

A

7.2%

19
Q

Water constitutes over ________ of mass of human body.

A

two-third

20
Q

The symptoms of lactose intolerance appear within ________ minutes after ingestion of milk.

A

30-90

21
Q

Pancreatic lipase enzyme is also known as

A

Steapsin

22
Q

______ is constituent of alkaline phosphatase and carbonic Anhydrase.

A

Zinc

23
Q

Inorganic salts makes about __________ of body mass.

A

4-5%

24
Q

Ferritin is _________

A

protein

25
Q

150g of yogurt contains _______ mg of calcium.

A

800

26
Q

Garlic is a good source for

A

Phosphorous

27
Q

Bioorganic molecules make up about _________ of body mass.

A

one-fourth

28
Q

Which of the following enzyme has a stronger preference for amino acids that are aromatic or branched hydrocarbon chain?

A

Carboxy apatite

29
Q

pH of trypsin varies from

A

5-9

30
Q

Zinc is required for maintain the plasma concentration of vitamin

A

A

31
Q

Human blood contains about _______mg of glucose per 100cm3.

A

70-110

32
Q

Sucrose octa acetate is used as

A

Denaturing agent

33
Q

Lipids serve as carrier of all vitamins except
A. A
B. D
C. E
D. B4

A

B4

34
Q

Starch is used in preparation of

A

Sucrose octa acetate

35
Q

Sucrose octa acetate is used for denaturation of

A

alcahols

36
Q

increase in concentration of calcium in plasma leads to

A

Hyper parathyroidism

37
Q

Human body contains about _______ different kinds of proteins.

A

100,000

38
Q

Inactive trypsinogen is activated to active trypsin by action of

A

Enterokinase

39
Q

Ceruplasmin carries _________ in blood plasma.

A

Copper

40
Q

Plant enzyme urease has optimum temperature of

A

60oC

41
Q

Fatty acids are long chain hydrocarbons containing usually _______ carbon atom per molecule.

A

12-18

42
Q

Sesame seeds are rich in

A

Calcium

43
Q

_______% of phosphorous is in form of calcium salts in the skeleton.

A

80

44
Q

Impairment of ability of taste occurs due to deficiency of

A

Zinc

CHEM (10 decks)

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