Quiz -A Closer Look at Proteins

What is the primary building block of proteins?

• Nucleotides

• Monosaccharides

• Amino acids

• Fatty acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

How many different amino acids are found in organisms?

• 10

• 15

• 20

• 25

What is the key difference between amino acids?

• Carboxylic acid group

• Variable side chain

• Central carbon atom

• Amino group

What happens when amino acids bond together?

• A molecule of oxygen is formed

• A molecule of water is formed

• A molecule of carbon dioxide is formed

• A molecule of nitrogen is formed

Tags

NGSS.HS-LS1-6

Which protein is associated with variation in fur color in jaguars?

• Acetylcholinesterase

• Eumelanin

• Hemoglobin

• MC1R

Tags

NGSS.HS-LS1-1

What is the function of proteins in determining traits?

• They transport oxygen

• They determine variations in traits

• They provide energy

• They store genetic information

Tags

NGSS.HS-LS1-1

What is the role of the central carbon atom in an amino acid?

• It is the central structure around which the amino acid is built

• It bonds with the amino group

• It determines the protein's function

• It bonds with the carboxylic acid group

What is the result of a change in the amino acid sequence of a protein?

• The protein's structure is altered

• The protein becomes a lipid

• The protein's function remains unchanged

• The protein becomes a carbohydrate

Tags

NGSS.HS-LS1-1

What is the main focus of the lesson 'A Closer Look at Proteins'?

• To explore the structure of DNA

• To study the energy production in cells

• To understand the process of photosynthesis

• To examine the role of proteins in trait variation

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What is the significance of the variable side chain in amino acids?

• It determines the amino acid's solubility

• It determines the amino acid's identity

• It determines the amino acid's reactivity

• It determines the amino acid's color