BIOMOLECULES

Question 1

what are biomolecules?

Answer 1

Chemicals and molecules that are made inside a living thing.

Question 2

What are the four major elements in living body?

Answer 2

Oxygen (65%)
carbon (18.5%)
nitrogen (3.3%)
hydrogen (0.5%)
these are called big four

Question 3

What is cellular pool?

Answer 3

All chemicals, molecules, ion’s present inside cell are called cellular pool

Question 4

What is the composition of cellular pool?

Answer 4

H2O (90-70%)
proteins (10-15%)
nucleic acid (5-7%)
carbohydrates (3%)
lipid (2%)
ions (1%)

Question 5

What are the types of metabolites?

Answer 5

Primary and secondary

Question 6

What are the features of primary metabolite?

Answer 6

1. Take direct part in metabolism.
2. Their functions can be measured.
3. Found in all living organism.
   eg. amino acid, nucleic acid , proteins etc.

Question 7

What are the features of secondary metabolites?

Answer 7

1. Do not take direct part in metabolism.
2. Their function cannot be measured.
3. These are not found in animals and rather found in plants, fungi and microbes.

Question 8

What are pigments?

Answer 8

Carotenoids , antholyanine

Question 9

Alkaloids

Answer 9

morphin , codenine

Question 10

Toxins

Answer 10

Ricin and abrin

Question 11

Lectins

Answer 11

Cancanavalin A

Question 12

Drugs

Answer 12

Vinblastin, curcumin

Question 13

Polymeric substance

Answer 13

Cellulose, rubber and gum.