Carbohydrates- intro + monosaccharides

Question 1

what is an isomer?

Answer 1

a molecule with same formula but different arrangement of atoms

Question 2

what are the functions of carbohydrates?

Answer 2

1. Source of energy- glucose is respired to release energy to produce ATP
2. Store of energy - glycogen in humans starch in plants.
   3.Structural components- cellulose, peptidoglycan, chitin
3. Combine with other molecules e.g glycoprotein in the golgi.

Question 3

what chemical elements make up the biological molecule carbohydrate?

Answer 3

carbon
hydrogen
oxygen

Question 4

what is the general formula of carbohydrates?

Answer 4

Cn(H2O)n

Question 5

what is a monomer?
what is a polymer?

Answer 5

-a single subunit
-many subunits

Question 6

what’s the difference between hexose and pentose monosaccharide?

Answer 6

-pentose: 5 carbons
-hexose: 6 carbons

Question 7

which carbonates are sweet and soluble?
which are non sweet and insoluble?

Answer 7

-monosaccharides and disaccharides
-polysaccharides

Question 8

what is one sugar molecule called?

Answer 8

monosaccharide

Question 9

what are 3 examples of monosaccharides?

Answer 9

-glucose
-fructose
-galactose

Question 10

how does alpha and beta glucose differ?

Answer 10

alpha glucose has an OH hydroxyl group below carbon 1 and a hydrogen above carbon 1.
This is reversed in beta glucose.

Question 11

how do you draw an alpha glucose?