Which of the following is the main purpose of photosynthesis?

collect solar energy and store it as chemical energy in glucose

put energy into a form usable by animals

produce oxygen for humans and other animals to breathe

The main ideas of energy coupling is

since endergonic reactions require energy, they must be paired with exergonic reactions to provide that energy

by pairing two exergonic reactions, the cell can multiply the energy that is produced

different molecules can be combined (coupled) using energy

What does respiration accomplish? What is its purpose?

respiration breaks down glucose and uses that energy to produce ATP to power the cell's processes

respiration collects energy from the sun and uses it to produce ATP to power the cell.

respiration makes glucose that can later be used for energy as different cellular processes require it.

What is the correct equation for cellular respiration?

6O 2 + C 6 H 12 O 6 -> 6CO 2 + 6H 2 O + Energy

6O 2 + C 6 H 12 O 6 + Energy -> 6CO 2 + 6H 2 O

6CO 2 + 6H 2 O -> 6O 2 + C 6 H 12 O 6 + Energy

6CO 2 + 6H 2 O + Energy -> 6O 2 + C 6 H 12 O 6

The light reactions occur in the ________ and the dark reactions take place in the ________.

Chloroplast / thylakoid membrane

Contrast the two alternative pathways plants can use

open stomata at night and close during the day

partially close stomata during the hottest part of the day

allows them to only need 1/2 as much water as normal plants

enzyme attaches Co2 to 5-C RuBp

Energy from ATP and NADPH and an enzyme break down 6-C molecule into 2 3-C molecules

each 3-C molecule is converted to a different 3-C molecule (G3P)

one G3P leaves the cycle to become glucose

the other G3P moves on to the next step

remaining G3P converts back to 5-C RuBP by using a phosphate from ATP and the cycle starts

Light dependent and Light Independent

what is needed to begin the light independent reactants

what is produced as a result of the light independent reactant?

What is needed to begin the light dependent reaction?

what is produced as a result of the light dependent reaction?

Order the steps of photosynthesis

water is split, O2 released, H+ is sent down

e- are excited by solar energy move down ETC.

solar energy charges up ATP and NADPH (these power the next step)

ATP and NADPH power the assembly of glucose from CO2 and Hydrogens

Plants can close their stomata when the temperature is hot

To prevent loss of carbon dioxide

To bring in more carbon dioxide

Where does the Calvin cycle take place?

outer membrane of the chloroplast

interior of the thylakoid membrane

Reactions that consume CO2 take place in

the light reactions of photosynthesis only

the light reactions and the calvin cycle

the calvin cycle and the citric acid cycle

Cellular Energetics Test Study Practice

Authored by Autumn Lopez

Biology

9th - 12th Grade

NGSS covered

Used 12+ times

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MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following are the products of photosynthesis?

carbon dioxide

water

glucose

oxygen

Tags

NGSS.MS-LS1-6

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following are the reactants in photosynthesis?

carbon dioxide

water

glucose

oxygen

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following are the reactants in cellular respiration?

carbon dioxide

water

glucose

oxygen

Tags

NGSS.HS-LS1-7

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following are the products of cellular respiration?

carbon dioxide

water

glucose

oxygen

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the energy molecule of the cell because it provides just the right amount of energy to power most cellular reactions?

AMP

ADP

ATP

glucose

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following cycle through the photosynthesis/respiration cycle?

hydrogen (H)

oxygen (O)

carbon (C)

energy

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-LS2-5

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following does NOT cycle through the photosynthesis/respiration cycle?

hydrogen (H)

oxygen (O)

carbon (C)

energy

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

NGSS.HS-LS1-6

NGSS.HS-LS2-4

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