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Biology NCERT > Biomolecules > Flashcards

Biomolecules Flashcards

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1
Q

The R-group in amino acid glycine is

A

Hydrogen

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2
Q

The R-group in amino acid alanine is

A

Methyl

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3
Q

The R-group in amino acid serine is

A

Hydroxy methyl group

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4
Q

Acidic, basic and neutral amino acid are

  1. Glutamic acid, valine and lysine respectively
  2. Lysine, glutamic acid and valine respectively
  3. Glutamic acid, lysine and valine respectively
A
  1. Glutamic acid, lysine and valine respectively
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5
Q

Aromatic amino acid is

  1. Tyrosine
  2. Phenylalanine
  3. Tryptophan
  4. All of the above
A
  1. All of the above
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6
Q

True/False :- Amino acids are not ionisable

A

False

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7
Q

Total number of carbons in palmitic acid is

A

16

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8
Q

Total number of carbons in arachidonic acid is

A

20

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9
Q

Total number of amino acids which occur as protein are

A

20

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10
Q

True/False :- Oils have higher melting point than that of fats

A

False.

Oils have lower melting point then that of fats

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11
Q

Lecithin is a

A

Phospholipid

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12
Q

Nitrogen base attached with sugar is called

A

Nucleoside

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13
Q

Phosphate group esterified with sugar of nucleoside is called

A

Nucleotide

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14
Q

Glycerol is

A

Trihydroxy propane

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15
Q

Molecular weight of compounds found in acid soluble pool ranges from

A

18 to 800 Dalton

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16
Q

The four types of organic compounds of acid insoluble fraction are

A
  1. Proteins
  2. Nucleic acids
  3. Polysaccharides
  4. Lipids
17
Q

Lipids are

  1. Strictly macromolecule
  2. Strictly micromolecule
  3. Not strictly macromolecule
A
  1. Not strictly macromolecule
18
Q

The most abundant element in living organisms is

A

Water

Biology NCERT (9 decks)

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