Proteins

How many different amino acids are there?

• 15
• 20
• 25
• 30

Tags

NGSS.HS-LS1-6

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. 

Tags

NGSS.HS-LS1-6

The diagram shows the structure of an amino acid. Which type of molecule is formed from amino acids?

• lipids
  
• proteins
  
• carbohydrates
  
• nucleic acids
  

Tags

NGSS.HS-LS1-6

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

• True
• False

Amino acids that must be supplied by foods in the diet

• essential amino acid
• complete protein
• emulsion
• collagen

The diagram shows a bond forming between two amino acids. What is the name of this reaction?

• Dehydration Synthesis
• Hydrolysis
• Pepysis
• Oxidation

Tags

NGSS.HS-LS1-6

When a protein unfolds, it is

• Denatured
• Building
• Adding amino acids
• Making food

Each amino acid is different from the other due to....

• The R group
• The amino group
• The carboxyl group
• The central carbon

What elements make up amino acids?

• Carbon, hydrogen and oxygen only
• Carbon, hydrogen, oxygen and nitrogen only
• Carbon, hydrogen and phosphorus only
• Carbon, hydrogen, nitrogen and oxygen; and sometimes also sulfur

What does an amino acid look like?

• It's a central carbon with two different groups attached.
• It's a central carbon with three different groups attached.
• It's a central carbon with four different groups attached.
• It's a central carbon with five different groups attached.