Unit 3 AP Biology

What is the output of Krebs cycle (one turn)?

• 3 NADH

• 1 FADH₂

• 1 ATP

• 2 CO₂

• acetyl CoA

Tags

NGSS.HS-LS1-7

What is the main function of Krebs cycle?

• To complete the breakdown of glucose

• To generate a proton gradient and synthesize ATP

• To split a glucose molecule in half and synthesize NADH

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

What is the input of oxidative phosphorylation?

• NADH

• FADH₂

• pyruvate

• glucose

• ATP

Tags

NGSS.HS-LS1-7

What is the output of oxidative phosphorylation?

• ATP

• NADH

• FADH₂

• glucose

Tags

NGSS.HS-LS1-7

Which step of cellular respiration REQUIRES oxygen?

• glycolysis

• Krebs cycle

• oxidative phosphorylation

• Calvin cycle

Tags

NGSS.HS-LS1-7

Which step can be performed by prokaryotes AND eukaryotes?

• glycolysis

• Krebs cycle

• oxidative phosphorylation

• Calvin cycle

What is the function of NADP+?

• It absorbs light

• It is an electron carrier

• It is a light-reflecting pigment

• It acts as long-term energy storage

Which of the following molecules is not needed for the Calvin Cycle?

• CO₂

• ATP

• NADPH

• H₂O

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Green plants reflect ________ light.

• Red

• Green

• All

• Red and Violet

Tags

NGSS.HS-LS1-5

Where does the carbon come from that is used to form glucose?

• The soil

• CO₂ in the air

• From other carbohydrates

• Calvin Cycle

Tags

NGSS.HS-LS2-5