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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NGSS.HS-LS1-6

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

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

Tags

NGSS.HS-LS1-6

Which macromolecule is this?

• carbohydrate
• lipid
• protein
• nucleic acid

Tags

NGSS.HS-LS1-6

The structure of proteins can be changed by environmental factors such as temperature or pH.

• True
• False

When a protein unfolds, it is

• Denatured
• Building
• Adding amino acids
• Making food