CARBOHYDRATES

Question 1

Most abundant organic molecule in NATURE

Answer 1

Carbohydrates

Most abundant organic molecule in the HUMAN BODY –> PROTEINS

Question 2

Main storage form of carbohydrates in humans

Answer 2

Glycogen

Question 3

Building block of all carbohydrates

Answer 3

Monosaccharides

Question 4

This bond links sugar units or monosaccharides together

Answer 4

Glycosidic bonds

Question 5

Most predominant sugar in the human body;

Universal fuel of fetus

Answer 5

Glucose

Question 6

Tissues which use glucose as its main metabolic fuel

Answer 6

Brain 
Renal medulla 
Cornea 
Retina 
Testis 
RBCs

Question 7

Major constituent of starch (80%)

Answer 7

Amylopectin

Question 8

Most stable conformation of

glucose

Answer 8

Chair conformation

Question 9

Common non-reducing sugars

Answer 9

Sucrose

Trehalose

Question 10

2nd epimer of glucose

Answer 10

Mannose

Question 11

3rd epimer of glucose

Answer 11

Allose

Question 12

4th epimer of glucose

Answer 12

Galactose

Question 13

More common enantiomer of

carbohydrates

Answer 13

D-isomer

Question 14

Among the glucose transporters,

this is the only transporter that requires insulin (insulin- dependent)

Answer 14

GLUT4

Question 15

All glucose transporters utilize facilitated diffusion, except for
this transporter(s) which use(s) secondary active transport

Answer 15

SGLT1/2

Question 16

This glucose transporter allows the transport of fructose

Answer 16

GLUT5

Question 17

This carbohydrate is responsible for sperm motility

Answer 17

Fructose