Ch 4 Test

organic molecule broken down as a source of energy

carbohydrate

reaction that captures energy from sunlight and transfers energy to the light independent reactions

light dependent reactioin

Which term is the part of photosynthesis when light energy is used to make sugars like glucose

light independent

describes reactions that do not require light

light independent

organelle that converts food into usable energy

mitochondria

light dependent reactions produce this gas that we breathe

oxygen

two groups of molecules in the thylakoid membrane that capture and transfer energy

photosystem

Where do light independent reactions occur in the chloroplast

stroma

what is the product of light dependent reactions

sugar

coin shaped compartment that contains light absorbing molecules

thylakoid

For light independent reactions to occur, what two things are needed

CO2 and ATP

Which of the following molecules founds in the food we eat is most commonly broken down to make ATP?

Carbohydrates

Chemosynthesis is a process through which some organisms use energy from chemicals in their environment to build sugars in the absence of:

Sunlight

Whats the formula

6CO2+6H20=C6H206+602

Which of the following directly provides the energy needed for cell functions?

A phosphate group is removed from ATP

lower energy molecule with 2 phosphates

ADP

Hi-energy molecule with 3 phosphates

ATP

What molecule carries chemical energy that cells use for their functions?

ATP

a series of chemical reactions that produces sugars from carbon dioxide

calvin cycle

A reactant of photosynthesis

carbon dioxide

use of chemicals as an energy source

chemosynthesis

light absorbing molecule in thylakoid

chlorophyll

what molecule absorbs sunlight for photosynthesis

chlorophyll

which two terms are things that are found in the chloroplast

chlorophyll and thylakoid

where in the plant cell does photosynthesis take place

chloroplast

a series of proteins in the thylakoid membrane that transfers high energy electrons

electron transport chain

Decreases activation energy for reactions

enzyme

Which term is part of photosynthesis when light energy is captured and transferred to a molecule, such as ATP

light dependent

describes reactions that require light

light dependent

Where do light dependent reactions occur in the chloroplast

thylakoids

For light dependent reactions to occur, what two things are needed?

water and sunlight