Chemical Energy and ATP

In which organism(s) does photosynthesis occur?

• plants

• algae

• some bacteria

• all of these

Protons move into the thylakoid due to the

• vacuole

• mitochondria

• cell wall

• movement of electrons through the electron transport chain

ATP gets formed in the light dependent reaction by which process?

• Chemiosmosis

• Photosmosis

• Diffusion

• Active Transport

It is important to create a concentration of H+  in the thylakoid space so that the H+ can diffuse through_________ to create ______.

• ATP synthase, ATP

• NADH, NADPH

• proton pump, protons

Where do the light reactions happen?

• mitochondria membrane

• thylakoid membrane

• stroma

• central vacuole

what is ATP

• is a molecule that transfers energy from the breakdown of food molecules to cell processes

• is a lower-energy molecule that can be converted into ATP.

• to store protein

• is a process by which some organisms use chemical energy to make energy-storing carbonbased molecules.

In which part of the cell does respiration occur?

• chloroplast

• cell wall

• mitochondria

• vacuole

In a light-dependent reaction, water and sunlight is needed to make oxygen and _____.

• carbon dioxide

• sugar

• chlorophyll

• ATP

What is the difference between ATP and ADP?

• ADP powers movement, while ATP does not

• ATP has three phosphates; ADP has two

• ATP contains adenine and ribose, while ADP does not

• ATP has less energy than ADP

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  Explanation

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Organisms that make their own food are called

• heterotrophs

• autotrophs

• polytrophs

• homotrophs