Macromolecules

Name a monomer that is a carbohydrate.

• glucose

• amino acid

• glycerol

• fatty acid

Which of the following molecules is not a polymer?

• starch
• fat (lipid)
• protein
• DNA

What makes something a polymer?

• it is a long chain of repeating groups of atoms
• it is a really small molecule
• it is a really big molecule
• all food molecules are polymers

Tags

NGSS.HS-LS1-6

Place the following in order of smallest to largest.
1.   starch
2.   proteins
3.   glucose
4.   water molecule

• 4,  3,  1,  2
• 1,  2,  3,  4
• 4,  1,  2,  3
• 3,  2,  1,  4

When a protein is broken down into smaller units, what are those smaller units?

• amino acids
• glucose
• glycogen
• fatty acids

Tags

NGSS.HS-LS1-6

An enzyme can help chemical reactions go faster, like this reaction breaking maltose into two glucose molecules. What type of molecule is an enzyme?

• protein

• carbohydrate

• lipid

• water

Tags

NGSS.MS-LS1-7

What is the function of enzymes?

• they speed up chemical reactions
• they help break polymers into monomers
• the help build monomers into polymers
• all of these answers are correct

Amino acid is to protein like glucose is to ________

• starch
• enzymes
• lipids
• glycerol

What is the difference between saturated and unsaturated fat?

• in saturated fats, the fatty acids have double bonds between the carbon atoms
• in unsaturated fats, the fatty acids have double bonds between the carbon atoms

Which type of fat is more healthy to eat?

• saturated fat
• unsaturated fat
• transfat
• all fats are the same