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Zoology class 11 NEET > CH 9 BIOMOLECULES > Flashcards

CH 9 BIOMOLECULES Flashcards

1
Q

Which solution was used in Chemical Analysis of a tissue

A

Trichloroacetic acid

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2
Q

The acid soluble pool is also k/a

A

Filtrate

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3
Q

The acid insoluble pool is also k/a

A

Retentate

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4
Q

Size of the Biomicromolecule

A

18 - 800 Dalton

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5
Q

Which is the most abundant Biomolecule in the body?

A

Protein 10 - 15%

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6
Q

Name two alkaloids

A

Morphine and Codeine

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7
Q

Name two toxins

A

Abrin and Ricin

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7
Q
A
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8
Q

Name two toxins

A

Abrin and Ricin

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9
Q

Name two Drugs

A

Vinblastin and Curcumin

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10
Q

Name Lectins

A

Concanavalin A

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11
Q

____ are not strictly Biomolecules

A

Lipids

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12
Q

Carbohydrates are mainly compounds of

A

Carbon, Hydrogen, Oxygen

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13
Q

Monosaccharide units are joined by which bond

A

Glycosidic Bond

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14
Q

How many Carbon atom are Present in a Monosaccharide

A

3 to 7 carbon atom

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15
Q

Trehalose is present in

A

Haemolymph of Insect

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16
Q

Name a sugar alcohol and it is present in ________

A

Mannitol, Brown Algae

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17
Q

Deoxyribose is formed by removal of ___ from __ carbon

A

Oxygen,
2nd Carbon

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18
Q

The most abundant Protein in the biosphere is

A

RuBiSCO Ribulose Bisphosphate Carboxylase Oxygenase

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19
Q

The most abundant Protein in the body is

A

Collagen

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20
Q

A protein is a heteropolymer/ homopolymer

A

Heteropolymer

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21
Q

Name the structures of Proteins

A

Primary Structure
Secondary Structure
Tertiary Structure
Quaternary Structure

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22
Q

Proteins are most Active in which Structure

A

Tertiary Structure

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23
Q

Which Structure carries positional information about the protein

A

Primary Structure

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24
Q

Proteins only show ___ handed Helix

A

Right

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25
Q

Myoglobin is a protein found in _______ and has ______ Structure

A

Muscle Cell
Tertiary Structure

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26
Q

Basic unit of a Nucleic Acid is ____

A

Nucleotide

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27
Q

What are the different types of Inhibition

A
  1. Competitive
  2. Non Competitive
  3. Allosteric/ Feedback
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28
Q

Name the 6 Classes of Enzyme in order

A
  1. Oxidoreductase
  2. Transferase
  3. Hydrolases
  4. Lyases
  5. Isomerases
  6. Ligases
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29
Q

Which is the largest RNA and constitutes 80% of the RNA

A

r RNA

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30
Q

The most common steroid in the human body is _______.
Its precursor is______

A
  1. Cholesterol
  2. Acetic Acid
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31
Q

RNA is the genetic material for

A

TOBACCO MOSAIC VIRUS (TMV)

32
Q

The most common model of DNA is

A

Watson - Crick Model

33
Q

RNA is usually single stranded except in the case of

A
  1. Reovirus
  2. Rice Dwarf Virus
34
Q

Enzymes are also k/a

A

Biocatalyst

35
Q

Amino acids are also k/a

A

Substituted methane

36
Q

The semi essential amino aids are

A

Histidine (Heterocyclic Amino acid)
Arginine (Basic Amino Acids)

37
Q

The 1st amino acid is k/a __ terminal Amino acid and the last amino acid is k/a _ Terminal amino acid

A

N TO C

38
Q

_____ is a protein of natural silk

A

Fibroin

39
Q

All Enzymes are ___in nature except

A

Ribozyme and Ribonuclease P.

40
Q

When the Product is at a lower level than Substrate it is an _____ Reaction

A

Exothermic Reaction

41
Q

When the Product is at higher level than substrate then it is an __________ reaction

A

Endothermic

42
Q

The enzyme used in conversion of CO2 and H2O to Carbonic Acid

A

Carbonic Anhydrase

43
Q

What are the two Hypotheses of Enzyme and who gave them?

A
  1. LOCK and KEY model by Emil Fischer in 1894
  2. Induced Fit or Hand Glove Model by Koshland in 1960
44
Q

Enzyme/_____ contain _________ and _________

A
  1. Holoenzyme
  2. Protein part k/a APOENZYME
  3. Non Protein part k/a Co Factor
45
Q

Sulpha Drugs inhibit the synthesis of ____ in Bacteria

A

Folic Acid
the actual substrate is PABA Para Amino Benzoic Acid

46
Q

High Temperature destroys Enzyme by causing their

A

Denaturation

47
Q

The external supply of energy required to start a reaction is

A

Activation Energy

48
Q

Which is the protein that carries glucose into the cell

A

GLUT 4

49
Q

What is an Active Site?

A

Active site of an Enzyme is a crevice or a pocket onto which the substrate fits

50
Q

Living Process is a constant effort to attain equilibrium.
True or False

A

False
Living process is a constant effort to prevent attaining equilibrium

51
Q

Immunoglobins or antibodies are produced by

A

B lymphocytes

52
Q

Insulin hormone is secreted by

A

beta cells of islets of Langerhans of Pancreas

53
Q

The backbone of DNA is made up of

A

Sugar and Phosphate

54
Q

Sugar + Nitrogenous base = ________.
the bond is ______

A

Nucleoside
Glycosidic Bond

55
Q

The nucleoside is linked to the Phosphate group by _______ bond and it forms ______

A

Ester Bond
Nucleotide

56
Q

Adenine and Thymine have ____hydrogen bond

A

Two

57
Q

Guanine and Cytosine have _____ hydrogen Bond

A

Three

58
Q

Sugar + Adenine = _______ + Phosphate Group =_________

A
  1. Adenosine
  2. Adenylic Acid
59
Q

Zwitterion is a _______ ion derived, which is German for

A
  1. dipolar ion
  2. Hermaphrodite or Hybrid
60
Q

The exoskeleton of arthropods is made up of

A

Chitin which is a homopolymer of N acetyl glucosamine

61
Q

Starch gives _____ color with iodine

A

Blue

62
Q

Peptidoglycan contains

A

N acetyl Glucosamine and N acetyl Muramic Acid

63
Q

Hyaluronic acid contains

A

D N acetyl Glucosamine and D glucuronic acid

64
Q

Cellulose is composed of

A

beta Glucose

65
Q

IUB stands for

A

International Union of Biochemistry

66
Q

EC stands for

A

Enzyme Commission

67
Q

____ is a co factor for the proteolytic enzyme Carboxypeptidase

A

zinc

68
Q

___ is the cofactor for the enzyme salivary amylase

A

Chlorine

69
Q

All digestive Enzymes fall in which class

A

Hydrolases

70
Q

Cellulose has how many beta glucose residues

A

6000

71
Q

Glucose is universal sugar. Other Name of Glucose includes

A

Dextrose
Grape sugar
Corn Sugar

72
Q

The sweetest naturally occurring sugar is_______. It is also k/a

A

Fructose
Levulose or Fruit Sugar

73
Q

DNA with left handed coiling is called as

A

Z DNA

74
Q

Casein of milk is a

A

Phosphoprotein

75
Q

An example of Lipoprotein is

A

Chylomicron

76
Q

An Example of metalloprotein is

A

Ferritin

77
Q

When Glutamic Acid is replaced by Valine it causes

A

Sickle cell Anemia

Zoology class 11 NEET (13 decks)

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