2.3 IB Carbohydrates

The function of carbohydrates are ........

• insulation
• store genetic information
• long-term energy storage
•  energy and structure

Tags

NGSS.HS-LS1-6

Examples of polysaccharides are ......

• glucose and fructose
• cellulose and starch
• sucrose and lactose
• sucrose and fructose

Starch is a mixture of which two polysaccharides?

• Amylose & Amylopectin

• Amylopectin & Cellulose

• Amylose & Cellulose

• Cellulose & Cellulite

Which of the following are TRUE about cellulose? (3)

• It is the most abundant carbohydrate

• It is a polymer of two types of monomer α- glucose & β-glucose

• It is a major component of plant cell walls

• It is formed by a condensation reaction that results in glycosidic bonds

• It is soluble

Monomers are ......

• the single sub-units of macromolecules
• large molecules
• one living thing
• another name for carbohydrates

When two monosaccharides combine, they do so by a process called......

• condensation
• hydrolysis
• hydrogen bonding
• fusion

When a disaccharide is broken apart the reaction is know as ......

• condensation
• hydrolysis
• hydrogen bonding
• fusion

The bond linking together of monosaccharides to form disaccharides is called......

• glycosidic bond
• peptide bond
• ester bond
• ionic bond

Starch is a great energy storage molecule because... (3)

• it is a compact molecule

• it is insoluble

• it is readily hydrolyzed to form sugar

• it contains twice the amount of energy than any other biological energy storage molecule

• it is a monosaccharide

Tags

NGSS.HS-LS1-7

Starch, glycogen, and cellulose are all made by linking glucose molecules together.

• True
• False

Tags

NGSS.HS-LS1-6