Unit 3 AP Biology

Which of the following is NOT true regarding enzymes.

• They are made of proteins

• They lower the activation energy of a reaction

• They are non-specific and can bind to any substrate

• The increase the rate of a reaction

Which option best describes "A"?

• Activation energy with enzyme

• Activation energy without enzyme

• Energy released as heat

• Products produced

Tags

NGSS.HS-PS1-4

The location where the enzyme and substrate bind is the...

• allosteric site

• inhibition site

• reaction site

• active site

This image shows...

• Competitive Inhibition

• Enzyme denaturation

• Noncompetitive Inhibition

• Normal enzyme function

This image shows...

• Competitive Inhibition

• Enzyme denaturation

• Noncompetitive Inhibition

• Normal enzyme function

What is the term for "A"?

• Allosteric site

• Inhibitor

• Substrate

• Enzyme

Which factor related to enzyme activity is this graph most likely depicting?

• Decreasing temperature

• Changing pH

• Increasing substrate concentration

• Increasing enzyme concentration

Which of the following is NOT a product of the light reactions in photosynthesis?

• Oxygen

• Glucose

• NADPH

• ATP

Tags

NGSS.HS-LS1-5

Which of these best describes the Calvin Cycle?

• Uses ATP, NADPH and enzymes to fix CO₂ to 5-carbon sugars to produce glucose

• Breaks down pyruvate to produce electron carrier molecules like NADH and FADH₂

• Converts glucose into 2 pyruvate molecules and a small amount of ATP and NADH

• Transfers the energy from photons through the ETC to create NADPH, oxygen and protons

Tags

NGSS.HS-LS1-5

NGSS.HS-LS1-6

NGSS.HS-LS2-5

Photorespiration is the process that occurs when...

• a plant can use oxygen to produce glucose

• a plant does not have access CO₂, so must use O₂ and ATP to create an energy molecule

• a plant can use carbon dioxide to produce glucose

• a plant does not have access to O₂, so must use CO₂ and ATP to create an energy molecule

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5