Proteins

What is a protein: 

• A polymer composed of many sugars.
• A polymer composed of many amino acids. 
• A polymer composed of fatty acids. 
• A polymer composed of nucleotides. 

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What is an example of a protein?

• Strawberries
• Bread
• Pasta
• Steak

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.

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NGSS.MS-LS3-1

How many different amino acids are there?

• 15
• 20
• 25
• 30

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NGSS.HS-LS1-6

Enyzmes are a very important type of protein used to

• Build bones in skeleton
• Send hormonal signals throughout body
• Speed up chemical reactions
• Photosynthesize glucose in plants

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NGSS.MS-LS1-7

NGSS.MS-PS1-2

Which of the following is NOT a function of proteins

• Assist in blood clotting
• Fight infections and diseases
• Assist in the processing of glucose
• None of the above

This is one job proteins do NOT have in the body

• storing genetic information
• structure
• speed up chemical reactions
• transport things through cell membrane

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

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NGSS.HS-LS1-6

Which macromolecule is this?

• carbohydrate
• lipid
• protein
• nucleic acid

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NGSS.HS-LS1-6

Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?

• reducing the number of products   
• reducing the activation energy
• increasing the temperature of the cell
• increasing the concentration of reactants 

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NGSS.HS-PS1-5