Biochemistry

Glucose is a _____.

• carbohydrate
• lipid
• protein 
• nucleic acid

Tags

NGSS.MS-PS1-1

Based on the graph, what temperature does this enzyme work best?

• $15\degree C$

• $40\degree C$
  

• $30\degree C$
  

• $45\degree C$

Letter D...

• active site
• enzyme
• substrate
• products

Which of the following is NOT a biomolecule?

• Water
• Nucleic Acid
• Protein
• Lipid

Enzymes are _________ that __________ chemical reactions.

• proteins, slow down
• proteins, speed up
• lipids, slow down
• lipids, speed up

In the diagram which substance belongs in area Z?

• water
• oxygen
• nitrogen
• carbon

Tags

NGSS.HS-LS1-6

Which statement describes all enzymes?

• They control the transport of materials.
• They provide energy for chemical reactions.
• They affect the rate of chemical reactions.
• They absorb oxygen from the environment.

Tags

NGSS.HS-PS1-5

Base your answers on the graph and your knowledge of biology.
Neither enzyme works at a pH of

• 1
• 5
• 3
• 13

Two examples of carbohydrates are

• fatty acids and glycerol
• fats and waxes
• sugars and starches
• amino acids and alcohol

In the reaction illustrated in the diagram below, which structure represents the enzyme?

• A
• B
• C
• D