Biomolecules (10-Reverence)

Nutritional chemists have found that burning 1 gram of fat releases twice the amount of heat energy as burning 1 gram of starch. Based on this information, which type of biomolecule would cause a person to gain more weight?

• carbohydrate

• fat

• proteins

• nucleic acid

Lipids are insoluble in water because lipid molecules are __________?

• hydrophilic

• neutral

• hydrophobic

• Zwitter ions

Which of the following groups are all classified as polysaccharide?

• sucrose, glucose and fructose

• maltose, lactose and fructose

• glycogen, sucrose and maltose

• glycogen, cellulose and starch

Amino acids are the building blocks of which group of biomolecules?

• proteins

• carbohydrates

• lipids

• nucleic acid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following is the major function of carbohydrates?

• structural framework

• storage

• energy production

In which organs are glycogen stored in the body?

• liver and spleen

• liver and muscle

• liver and bile

• liver and adipose tissue

When digesting a complex carbohydrate, water is added and simple sugar is obtained through which process?

• Photosynthesis

• Condensation

• Hydrolysis

• Dehydration

What kind of molecule is represented by the structure below?

CH₃CH₂CH₂CH₂CH=CHCH₂CH₂CH₂CH₂CH₂CH₂CH₂CH₂COOH

• monosaccharide

• unsaturated fatty acid

• saturated fatty acid

• phospholipid

Disaccharide is formed by combining two monosaccharides. What do you call the process of combining 2 or more simple sugars?

• Hydrolysis

• Peptide bonding

• Condensation

• Saccharide bonding

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following elements is NOT present in carbohydrates?

• carbon

• oxygen

• nitrogen

• hydrogen