Protein (Topic 3)

What is a peptide bond?

• Bond that holds two amino acids together.
• A bond that holds hydrogen and oxygen molecules together.
• A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
• A bond that is formed by the sharing of electrons.

Which subgroup of protein contains all of the necessary amino acids our body needs for the day?

• Fat soluble protein

• Incomplete protein, low biological value

• Saturated protein

• Unsaturated protein

• Complete protein, high biological value

What is the role of protein in the body?

• Is the main source of energy for the body

• Helps to build and repair body tissue

• Provide warmth and cushioning to the body's organs

• Helps to transport vitamins through the body

• All of the above are roles of protein in the body

If I consume 1 gram of protein, how many kilojoules have I consumed?

• 16 kilojoules

• 17 kilojoules

• 3,500 calories

• 4 calories

• 37 kilojoule

What could be an issue if I do not consume enough protein regularly?

• Lead to a break down of muscle and tissue in the body

• Increase the amount of energy

• Dehydration of the body's cells

• Weight gain which can lead to heart disease

• Both A and D are correct

If I am a vegetarian, what type of protein am I consuming? What should I be aware of to ensure I am eating healthy?

• Incomplete protein and I need to make sure I am not consuming too many of these proteins

• Saturated proteins and I need to make sure to limit the amount I consume

• Water soluble proteins and I need to make sure to consistently consume these proteins

• Incomplete proteins and I need to make sure I consume a variety of the proteins in order to get what I need

• I am a vegetarian therefore I am not consuming protein

If I am taking in too much protein what could happen to me? (Select all that apply)

• Extra protein can be converted into stored energy

• May lead to kidney problems

• It can cause weight loss

• It can cause weight gain

• It can cause issues with the breakdown of muscle and body tissue

In the structure of amino acids, which group differs and determines the amino acid's chemical properties?

• The carboxyl group

• The amino group

• R- the radical group

• The polypeptide chain

Proteins are composed of _____ _____ which are the building blocks of proteins.

This diagram shows?

• A LBV protein.

• A globular protein.

• A necklace made from protein beads.

• A polypeptide chain which is made of many amino acids linked by peptide bonds.