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chemistry > BIO-MOLECULES > Flashcards

BIO-MOLECULES Flashcards

1
Q

WHICH PROTEIN TRANPORTS OXYGEN IN BLOOD FLOW ??

A

HAEMOGLOBIN

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2
Q

IN HUMAN BODY CARBOHYDRATES IS STORED IN FORM OF

A

GLYCOGEN

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3
Q

CHANGE IN OPTICAL ROTATION OF A FRESHLY PREPAERED SOLUTION OF SUGAR AFTER SOME TIME IS CALLED

A

INVERSION

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4
Q

FORMULA OF MOST FAMILIER DISCHHARIDE IS

A

C12H22O11

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5
Q

THE FOLLOWING STATEMENT IS FALSE IN RELATION TO RIBOSE
1]IT IS POLYHYDROXY COMP
2]IT IS ALDEHYDIC SUGAR
3]IT CONTAINS 6 C ATOMS
4]IT HAS OPTICAL ROTATION

A

3] IT CONTAINS 6 C ATOMS

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6
Q

HOW MANY SUBUNITS ARE PRESENT IN HAEMOGLOBIN ??

A

4

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7
Q

WHICH SUGAR IS PRESENT IN MAXIUM AMOUNT IN HUMAN BLOOD ??

A

D - GLUCOSE

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8
Q

AMOUNT OF GLUCOSE IN BLOOD IS DETERMINED BY

A

BENEDICT’s SOLUTION

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9
Q

MOST EFFECTIVE ENERGY RESERVOIR IN ALL LIVING CELLS IS

A

A.T.P

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10
Q

WHICH OF THE FOLLOWING IS NOT GLYCERIDE ??
1]FAT
2]OIL
3]PHOSPHOLIPID
4]SOAP

A

SOAP

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11
Q

WHICH IS NOT FOUND IN RNA ??

A

THYMINE

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12
Q

BY THE OXIDATION OF GLUCOSE —-MOLECULES OF ATP ARE PRODUCED

A

38 MOLECULES

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13
Q

THE BREAKING OF COMPLEX MOLECULES IN ORGANISMS IS KNOWN AS

A

CATABOLISM

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14
Q

IN HYPERGLYCEMIA THE AMOUNT OF —-IN BLOOD INCREASE

A

SUGAR

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15
Q

DEFICIENCY OF IODINE LEADS TO —- DIESEASE

A

GOITRE

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16
Q

DENATURATION DOES NOT AFFECT THE —- STRUCTURE OF PROTEIN

A

PRIMARY

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17
Q

CHEMICAL NAME OF B2 IS

A

RIBOFLAVIN

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18
Q

THE BASIC UNIT OF PROTEIN IS

A

AMINO ACIDS

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19
Q

—- IS NOT PRESENT IN DNA

A

URACIL

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20
Q

HAEMOGLOBIN IS A —- COMPOUND OF IRON

A

COMPLEX

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21
Q

OILS AND FATS OBTAINED FROM PLANTS AND ANIMALS [ORGANISMS] ARE CALLED

A

LIPIDS

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22
Q

ON BOILING EGG PROTEIN GETS DENATURED

A

TRUE

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23
Q

GLUCOSE IS A PORTEIN

A

FALSE

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24
Q

GLUCOSE IS FORMED BY HYDROLYSICS OF STARCH

A

TRUE

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25
Q

ENZYMES ARE PROTEINS

A

TRUE

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26
Q

DEFICIENY OF PROTEIN DO NOT CAUSE DISEASES

A

FALSE

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27
Q
A
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27
Q

GLUSCOSE

A

PYRANOSE RING AND MONOSACCHAIRDE

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28
Q

AMINO ACIDS

A

PEPTIDE BONDS

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29
Q

CLOTTING OF BLOOD

A

FIBRINOGEN

30
Q

FRUCTOSE

A

FURANOSE RING AND MONOSACCHARIDE

31
Q

HAIR FALL

32
Q

MILK

A

LACTOSE [DISACCHARIDE]

33
Q

SUCROSE

A

C12 H22 O11
DISACCHARIDE
NON REDUCING SUGAR

34
Q

WHICH BOND LINKS AMINO ACIDS??

A

PEPTIDE BOND

35
Q

HOW MANY AMINO ACIDS ARE SYNTHESIZED BY HUMAN BODY??

36
Q

IN RNA MOLECULES WHICH PYRMIDINE IS PRESENT IN PLACE OF THYMINE ??

37
Q

GLUSCOSE CONTAINS PYRANOSE RING WHERE AS FRUCTOSE CONTAIN -

38
Q

IN POLYSACCHARIDES , MONOSACCHARIDES UNITS ARE LINKED TO E/O BY WHICH BOND ??

A

GLYCOSIDIC

39
Q

NAME THE PROTEIN WHCH IS PRESENT IN HAIR , WOOL , SILK ??

40
Q

WHAT ARE PEOTEINS ?/

A

PROTEINS ARE HIGH MOLECULAR MASS NITROGEN CONTAINING COMPOUND COMPLEX ORGANIC COMPOUNDS FOUND IN PROTOPLASM OF ALL ANIMALS AND PLANTS
CHEMICALLY PROTEIN IS THE CONDENSATION POLYMER a-AMINO ACIDS

41
Q

ESSENTIAL AMINO ACIDS

A

TIM PVT HALL
THREAMINE , ISOLECUINE , METHIAMINE , TRYPTOPHAN , VALME , HISTIDINE , LYSINE , LECUINE , ARGINE , PHENYLALMINE

42
Q

NON ESSENTIAL AMINO ACID

A

PROLINE , TRYOSINE , CYSTEINE , SERIANE , GLUTAMINE , ASPARAGINE , GLUTORIC ACID , ASPARTIC ACID , ALANNINE , GLYCINE

43
Q

FUNCTIONS OF PROTEINS

A

FORMATION OF NEW TISSUES AND THEIR REPAIRING

44
Q

FUNCTIONS OF CARBOHYDRATES

A

CARBOHYDRATES PROVIDES ENERGY TO THE BODY

45
Q

FUNCTION OF FATS

A

THEY PROVIDES ENERGY TO BODY

46
Q

FUNCTION OF CALCIUM

A

INCREASE THE BONES AND TEETH

47
Q

PEPETIDE LINKAGE

A

A BOND BETWEEN COOH OF ONE a AMINO ACID WITH NH3 OF OTHER

48
Q

PRIMARY STRUCTURE OF PROTEINS

A

PROTEINS ARE POLYPEPTIDE MEANS POLYMER OF a AMINO ACIDS AND THET HAVE A FIXED SEQUENCE THATS KNOWN AS PRIMARY STRUCTURE

49
Q

DENATURATION OF PROTEINS

A

A PROCESS THAT CHNAGES THE PHYSCICAL AND BIOLOGICAL PROPERTIES OF PROTEAINS WITHOUT CHANGING ITS CHEMICAL PROPERTIES

50
Q

FUNCTION OF HAEMOGLOBIN

A

TRANSPORT OF OXYGEN FROM LUNGS TO DIFFERENT TISSUES OF BODY

51
Q

FUNCTION OF PROTEIN ;MYOSIN

A

FOR MOTION OF MUSCLES

52
Q

FUNCTION OF PROTEIN ; PEPSIN

A

A CATALYST IN BIO CHEMICAL RXN

53
Q

FUNCTION OF PROTEIN ; KERATIN

A

PRESENT I HAIRS , NAILS , TEETH

54
Q

WHAT ARE NUCLEIC ACIDS ??

A

NUCLEIC ACIDS ARE LONG CHAIN POLYMERS OF NUCLEOTIDES . THEY ARE ALSO CALLED POLYNUCLEOTIDES . NUCLEIC ACIDS ARE MAINLY OF 2 TYPES ; DEXOYRIBONUCLEIC ACID [DNA]AND RIBONUCLEIC [RNA]

55
Q

FUNCTIONS OF NUCLIC ACIDS

A

1]DNA IS RESPONSIBLE FOR TRANSMISSION OF HEREDITARY EFFECT FROM MOTHER CELL TO DAUGHTER CELL
2]DNA AND RNA ARE RESPONSIBLE FOR SYNETHSIS OF ALL PROTEINS NEEDED FOR GROWTH AND MAINTANCE OF BODY

56
Q

NUCLEOSIDE

A

A NUCLEOSIDE CONTAINS ONLY BASIC COMPONENT OF NUCLEIC ACIDS NAMELY A PENTOSE SUGAR AND A NITROGENOUS BASE

57
Q

NUCELOTIDE

A

A NUCELOTIDE CONTAINS ALL THREE BASIC COMPONENTS OF NUCLEIC ACIDS NAMELY A PHOSPHORIC ACIDS GROUP , PENTOSE SUGAR , A NITROGENOUS BASE

58
Q

WHAT IS ZWITTER ION ??

A

A zwitter ion is an ion that contains two functional groups. In simple terms, it is an ion possessing both positive and negative electrical charges. Therefore, zwitterions are mostly electrically neutral (the net formal charge is usually zero).

59
Q

WHAT IS GLYCOGEN??

A

THE CARBOHYDRTES ARE STORED IN ANIMAL BODY AS GLYCOGENS . IT IS PRESENT IN BRAIN, MUSCLSES,LIVER . ENZYMES BREAK GLYCOGEN INTO GLUCOSE . GLYCOGEN IS MORE HIGHLY BRANCHED THAN STARCH

60
Q

DEFINE POLYSACCHARIDES

A

Polysaccharides are major classes of biomolecules. They are long chains of carbohydrate molecules, composed of several smaller monosaccharides. These complex bio-macromolecules functions as an important source of energy in animal cell and form a structural component of a plant cell.

61
Q

DEFINE DISACCHARIDES

A

A disaccharide (also called a double sugar ) is the sugar formed when two monosaccharides (simple sugars) are joined by glycosidic linkage. Like monosaccharides, disaccharides are soluble in water. Three common examples are sucrose, lactose, and maltose. general formula of disaccharides is C12 H22 O11

63
Q

VITAMIN A

A

ITS ESSENTIAL FOR US BECAUSE ITS DEFCIENCY CAUSES NIGHT BLINDNESS AND XEROPHTHALMIA [HARDENING OF CORNEA OF EYE]

64
Q

VITAMIN C

A

ITS ESSENTIAL FOR US BECAOUSE ITS DEFICIENCY CAUSES SCURVY[BLEEDING GUMS] TOOTH DECAY AND PYORRHOEA

65
Q

WATER SOLUBLE VITAMIN

A

ALL VITAMIN B COMPLEX AND VITAMIN C

66
Q

FAT SOLUBLE VITAMIN

A

VITAMIN A , D, K, E

67
Q

DISEASES CAUSED FROM
1]VITAMIN A
2]VITAMINB
3]VITAMIN C
4]VITAMIN D
5]VITAMIN E
6]VITAMIN K

A

1]NIGHT BLINDNESS
2]BERI BERI , LOSS OF APPETIDE
3]SCURVY
4]RICKETS
5]LOSS OF REPRODUCTIVE ABITLITY
6]COGULATION OF BLOOD

69
Q

Define Testosterone 😁😁

A

Testosterone hormone is secreted by the gland tests and its function is to control organs in males

70
Q

DEFINE THYROXINE

A

THIS HORMONE IS SECERTED BY THE THYROID GLAND . ITS FUNCTION IS TO CONTROL THE METABOLIC ACTIVITY AND GROWTH

71
Q

DEFINE INSULIN

A

INSULIN HORMONE IS SECRETED BY PANCREAS AND ITS FUNCTION IS TO CONTROL THE AMOUNT OF GLUCOSE IN THE BLOOD

72
Q

DEFINE CORTISONE

A

CORTISONE IS SECRETED BY ADRENAL CORTEX AND ITS FUNCTION IS TO CONTROL THE METABLOISM OF PROTEIN AND WATER

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