AP Biology Unit 3 Review

Where does Krebs cycle take place?

• Cytosol

• Mitochondrial Matrix

• Mitochondrial Cristae

• Stroma

• Thylakoid Membrane

Tags

NGSS.HS-LS2-3

What is the input of Krebs cycle?

• pyruvate

• acetyl CoA

• glucose

• NADH

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

What is the input of oxidative phosphorylation?

• NADH

• FADH₂

• pyruvate

• glucose

• ATP

Tags

NGSS.HS-LS1-7

Which step can be performed by prokaryotes AND eukaryotes?

• glycolysis

• Krebs cycle

• oxidative phosphorylation

• Calvin cycle

Tags

NGSS.HS-LS1-7

What is one function of the other pigments  besides chlorophyll, in the chloroplast?

• to block damaging wavelengths of light

• to absorb different wavelengths than the chloroplasts

• to provide different colors to the leaves

• to transfer energy to a separate photosystem beside the one using chlorophyll a and b.

Tags

NGSS.HS-LS1-5

Green plants reflect ________ light.

• Red

• Green

• All

• Red and Violet

Tags

NGSS.HS-LS1-5

Where is glucose synthesized

• Photosystem II

• Photosystem I

• Calvin Cycle

• Glycolysis

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

The H+ concentration gradient is used to 

• make NADPH

• split a water molecule

• generate ATP

• form water

Which of the following is a way to overcome competitive inhibition of an enzyme?

• increase product concentration

• increase substrate concentration

• decrease enzyme concentration

• decrease environmental temperature