Biological Molecules

Question 1

The best know carbohydrates are?

Answer 1

Sugars and Starch

Question 2

The White Crystalline sugar is known as?

Answer 2

Sucrose

Question 3

The sugar in sport and health drinks is?

Answer 3

Glucose

Question 4

What is a simple sugar

Answer 4

Monosaccharides

Question 5

Triose sugar [n=3]

Answer 5

Important in mitochondria, where glucose is broken down into triose sugar during respiration.

Question 6

Pentose Sugar [n=5]

Answer 6

E.g Ribose and Deoxyribose for nucleic acid.
RNA and DNA which make up the genetic material.

Question 7

Hexose Sugar [n=6]

Answer 7

Best Known monosaccharide, sweet tasting: glucose,galactose and fructose.

Question 8

The 2 isomers of glucose are:

Answer 8

α-glucose and β-glucose

Question 9

in α-glucose, the hydrogen is?

Answer 9

above on the First Carbon atom

Question 10

In β-glucose, the hydrogen is?

Answer 10

below on the First Carbon atom

Question 11

The link between two monosaccharides results in a Covalent bond,known as?

Answer 11

glycosidic bond

Question 12

Sucrose [α-glucose + fructose] is stored in?

Answer 12

Plants

Question 13

Lactose [α-glucose + β-galactose] is found in?

Answer 13

Milk

Question 14

Maltose [2 α-glucose] is found in?

Answer 14

Germinating seed, Barley

Question 15

Maltose [2 α-glucose] is found in

Answer 15

Germinating seed, Barley

Question 16

A chemical Test for reducing sugar is?

Answer 16

Benedict’s Solution