Biomolecule 5: Proteins

Multiple Choice

Non-meat examples of protein include

• broccoli, kale, carrots
• beans, legumes, eggs
• tofu, apples, spinach

Multiple Choice

Linking several amino acids together produces what polymer?

• polysaccharide
• polypeptide
• polynucleotide
• triglyceride

Multiple Choice

What is the monomer of a protein?

• amino acid
• monosaccharide
• fatty acid
• nucleic acid

Multiple Choice

The name of the initial chain of monomers in a protein is called.....

• polypeptide
• polysaccharide
• polyester
• polynucleotide

Multiple Choice

Why is folding so important in proteins?

• It gives them a unique, functional shape

• It makes them look tidier

• It makes every protein molecule different from the next even if they are the same type

• The folding is random so is not that important at all

Multiple Choice

The tertiary structure folding in proteins is primary due to the interactions of....

• the 'R' groups

• the 'P' groups

• the 'A' groups

• the 'S'

Multiple Choice

How many monomers can a protein molecule contain?

• 10

• 100

• 1,000

• 10,000+

Multiple Choice

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile

Multiple Choice

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

• Enzymes increase the energy of the reactants.
• Enzymes decrease the energy level of the products.
• Enzyme decrease the activation energy of the reaction.
• Enzymes reverse the direction of the reaction.

Multiple Choice

Any substance that is acted upon by an enzyme is called a(n)?

• Coenzyme
• Substrate
• Vitamin
• Polypeptide

Multiple Choice

Enzymes are...

• nucleic acids
• proteins
• lipids
• carbohydrates

Multiple Choice

What is the function of an enzyme?

• enzymes break themselves into small pieces
• enzymes slow down chemical reactions
• enzymes speed up chemical reactions
• enzymes combine products to form reactants 

Multiple Choice

Letter C...

• active site
• enzymes
• substrate
• products

Multiple Choice

Letter E...

• active site
• enzyme
• substrate
• products