Biomolecules

Question 1

The R-group in amino acid glycine is

Answer 1

Hydrogen

Question 2

The R-group in amino acid alanine is

Answer 2

Methyl

Question 3

The R-group in amino acid serine is

Answer 3

Hydroxy methyl group

Question 4

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

Answer 4

3. Glutamic acid, lysine and valine respectively

Question 5

Aromatic amino acid is

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

Answer 5

4. All of the above

Question 6

True/False :- Amino acids are not ionisable

Answer 6

False

Question 7

Total number of carbons in palmitic acid is

Answer 7

16

Question 8

Total number of carbons in arachidonic acid is

Answer 8

20

Question 9

Total number of amino acids which occur as protein are

Answer 9

20

Question 10

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

Answer 10

False.

Oils have lower melting point then that of fats

Question 11

Lecithin is a

Answer 11

Phospholipid

Question 12

Nitrogen base attached with sugar is called

Answer 12

Nucleoside

Question 13

Phosphate group esterified with sugar of nucleoside is called

Answer 13

Nucleotide

Question 14

Glycerol is

Answer 14

Trihydroxy propane

Question 15

Molecular weight of compounds found in acid soluble pool ranges from

Answer 15

18 to 800 Dalton

Question 16

The four types of organic compounds of acid insoluble fraction are

Answer 16

1. Proteins
2. Nucleic acids
3. Polysaccharides
4. Lipids

Question 17

Lipids are

1. Strictly macromolecule
2. Strictly micromolecule
3. Not strictly macromolecule

Answer 17

3. Not strictly macromolecule

Question 18

The most abundant element in living organisms is

Answer 18

Water