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Biomolecule > Zoology > Flashcards

Zoology Flashcards

1
Q

Based on number of amino acids and carboxyl groups there are

A

Acidic glutamic
basic lysine and neutral( valine )amino acid
Aromatic amino acids are tyrosine phenylalanine
And tryptophan

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2
Q

R group of fatty acid

A

A methyl - ch3
Ethyl -c2h5

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3
Q

Palmitic acid have 16 carbon
Then Arachidonic

A

20 carbon atoms

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4
Q

Fatty acids are

A

Saturated without double bond
Unsaturated with 2or more c=c bond

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5
Q

Lipids possess both

A

Glycerol and fatty acids

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6
Q

Glycerides in lipids also called fats and oils based on

A

Melting point
Oils have lower melting point example gingely oil

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7
Q

Lipids containing phosphorus
And they are found in

A

Phospholipid
Found in cell membrane example Lecithin

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8
Q

The nitrogen bases are attached to a sugar

A

Nucleosides
If a phosphate group is found estherfied to a sugar they are nucleotides

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9
Q

RNA and DNA consist of

A

nucleotides only

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10
Q

Secondary metabolites

A

Plant fungal microbial cells flavonides rubber essential oils antibiotics coloured pigments scents gums spices

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11
Q

Secondary metabolites useful to human welfare

A

Rubber drugs spices scents pigments

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12
Q

Molecular weight less than 1000 Dalton are refer to as

A

Bio micro molecules

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13
Q

biomolecule which found in acid insoluble fraction are called

A

Biomacromolecules

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14
Q

Linear Chains of amino acids linked by peptide bonds

A

Proteins

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15
Q

Protein and two functions

A

Dietary proteins are the source of essential amino acids
Therefore amino acids are essential or non essential

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16
Q

Most abundant protein in animals world

A

Collagen

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17
Q

Rubisco

A

Most abundant protein in biosphere

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18
Q

Long chain of sugar

A

Polysaccharides

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19
Q

Polysaccharide consists of only one type of monosaccharide

A

Cellulose a homopolymer

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20
Q

Store house of energy in plant tissue
Energy source of animals

A

Starch
Glycogen

21
Q

Polymer of fructose

A

Inulin

22
Q

•Starch can hold I2 molecules in helical portion
The reaction product is which colour
•Which is the thing that cellulose does not contains
•Example

A

•Blue colour
• cellulose does not contain complex helices and hence cannot hold i2
• cellulose is cotton fibre

23
Q

building blocks of Complex polysaccharides

A

Amino sugar (N- acetyl galactosamine, glucosamine)

24
Q

Components of nucleic acid

A

Heterocyclic compound
Monosaccharide and phosphoric acid or phosphate

25
Q

Adult human haemoglobin consists of how many subunits
Which is this

A

Adult hemoglobin consist of force sub units
2 Of these are identical to each other
The two sub units are of a type and two subunits are b type together constitute the haemoglobin

26
Q

In a protein amino acid is linked by which Bond
With elimination of water

A

Peptide bond

27
Q

In a polysaccharide the individual monosaccharides are linked by which Bond
This bond is also found by dehydration

A

Glycosidic Bond

28
Q

In a nucleic acid a phosphate mostly links ______ to the _____ of succeeding nucleotide
The bond between phosphate and hydroxyl group of sugar is called

A

Three carbon of one sugar of one nucleotide
5 carbon of the sugar of succeed nucleotide
Phosphodiester bond

29
Q

Substrate concentration on the half is called

A

Michaelis menten constant

30
Q

What is competitive inhibitor and inhibition

A

•When the binding of chemical shuts of enzyme activity the process is inhibition
• when inhibitor closely resembles the substrate in a molecular structure and inhibits the activity of enzyme this is competitive inhibitor

31
Q

Metal iron for the enzyme carboxy peptidase

A

Zinc

32
Q

Commonly used body Floluid for transport of material

A

Blood

33
Q

Which also help blood transfer of substances

A

Lymph

34
Q

What circulate water from their surroundings
Through their body cavities to facilitate the cells exchange these substances

A

Sponges and coelenterates

35
Q

Plasma without clotting factor

A

Serum

36
Q

Formed Almonds constitute nearly which percent of total blood volume

A

45

37
Q

Features of RBC

A

Count 5 to 5.5 million
In red bone marrow
Average lifespan 120 days
Destroyed in spleen
Hemoglobin gives red colour to rbc

38
Q

Features of platelets

A

Average lifespan 7 days
Formed by the fragmentation of Mega karyocites
Colourless
Non nucleated
Function is blood clotting

39
Q

Special feature of basophil

A

Secrete histamine
Serotonin
Heparin
• cause inflammation

40
Q

RBC are formed in the red bone marrow in adult through a process

A

Erythropoiesis

41
Q

Lymphocytes 3 property

A

Hey include T and B lymphocytes
Both B and T Lymphocytes are responsible for immune responses of body

Beasles secret antibodies t cells are involved in cell mediated immunity

42
Q

What means kidney shape nucleus
And there are phagocytic cells
6-8% of total rbc

A

Monocytes

43
Q

Reduction of platelet number leads to

A

Clotting disorders which will be lead to excessive loss of blood from the body

44
Q

One interactive antigen and antibody mix together

A

It causes clumping of RBC

45
Q

The network of thread were dead and damaged formed elements of blood are trapped

A

Fibrins

46
Q

SA nod properties

A

Can generate action potential without external stimulate
right upper corner of the right Atrium

47
Q

AV nod

A

Lower left corner of right Atrium

48
Q

Cardiac cycle

A

Sequential events which are cyclically repeated including relaxation and contraction of both atria and ventricle

Biomolecule (3 decks)

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