Carbohydrates

Question 0

What are carbohydrates mainly composed of?

Answer 0

Carbon and Hydrogen

Question 1

Why are carbohydrates so important?

Answer 1

energy sources (sugars)
energy storage (starch; glycogen)
structural molecules (cellulose; chitin)

Question 2

What is the biological term for carbohydrate?

Answer 2

Saccharides

Question 3

What is a carbohydrate composed of one saccharides molecules called?

Answer 3

Monosaccharides

Question 4

What is a carbohydrate composed of two saccharides molecules called?

Answer 4

Disaccharides

Question 5

What is a carbohydrate composed of 3-10 saccharides molecules called?

Answer 5

oligosaccharide

Question 6

What is a carbohydrate composed many saccharides molecules?

Answer 6

Polysaccharides (i.e. more than 10)

Question 7

What are the monomers of carbohydrates?

Answer 7

Monosaccharides are the basic units (monomers) of all carbohydrates

Question 8

Name three monosaccharides

Answer 8

Glucose
Fructose
Galactose

Question 9

What are isomers?

Answer 9

compounds with the same molecular formula but different structural formulas

Question 10

All sugars have…

Answer 10

…ring structures

Question 11

What are dissaccharides?

Answer 11

Disaccharides are polymers containing two monosaccharides

Question 12

Name three disaccharides and how they are formed.

Answer 12

Sucrose - glucose + glucose
Lactose - glucose + fructose
Maltose - glucose + galactose

Question 13

When two sugar molecules join together, a water molecule is released. What is this called?

Answer 13

Condensation polymerisation

Question 14

Name three examples of polysaccharides

Answer 14

Glycogen
Starch
Cellulose