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The repeating units of protein are

• Amino acids

• Glucose

• Fatty acid

• Peptides

Tags

NGSS.HS-LS1-1

The polypeptide in the diagram consists of;

• 3 amino acids and 3 peptide bonds

• 3 amino acids and 2 peptide bonds

• 4 amino acids and 2 phosphodiester bonds

• 3 amino acids and 2 phosphodiester bonds

Haemoglobin is a quartenary protein because;

• It has more than one peptide bonds

• Its shape is globular

• It consists of more than one polypeptide chains

• It has iron in each heme group

Based on the diagram, the side chain of amino acid alanine is;

• NH₂

• COOH

• H

• CH₃

Which indicator is used to test for the presence of proteins?

• Sudan IV
• Benedict's Reagent
• Biuret Reagent
• Iodine

Actin and Myosin are proteins that work together to allow muscle movement.  These are both what type of protein?

• structural
• storage
• transport
• contractile

A single unit of sugar is referred to as:

• Monosaccharide
• Monocarbohydrate
• Mononutrient
• Monopolymer

Carbohydrates yield how many Calories per gram?

• 0 Cal/gram
• 9 Cal/gram
• 4 Cal/gram
• 2.25 Cal/gram

Sugars all end with what three letter ending?

• -ote
• -ate
• -ase
• -ose

What type of carbohydrate is this?

• polysaccharide
• disaccharide
• monosaccharide
• it isn't a carbohydrate