Unit 3: Cell Energetics Grudgeball

Misc

100

Which of the following statements about cellular respiration and photosynthesis is accurate? a.Cellular respiration produces glucose used in photosynthesis. b. Photosynthesis uses the same reactants as cellular respiration. c. Cellular respiration transforms energy stored by photosynthesis.

c. Cellular respiration transforms energy stored by photosynthesis

100

What is a by product of fermentation?

Alcohol or Lactic acid

100

Plants gather the sun’s energy with light-absorbing molecules called

chlorophyll

100

What is the energy source for the active transport of protons during both oxidative phosphorylation and the light reaction?

The movement of high energy electrons through the ETC (series of redox reactions)

100

Is cellular respiration a catabolic or anabolic reaction?

Catabolic

ATP

100

How many phosphates in 1 ATP molecule?

3

100

Which step of the cellular respiration reaction yields the most ATP?

oxidative phosphorylation

100

ATP is needed for which reaction in photosynthesis?

Calvin cycle

100

What two reactants are needed to make ATP in chemiosmosis?

ADP and phosphate

100

During chemiosmosis, what type of protons transport occurs through ATP synthase?

passive transport

Cellular Respiration

100

In which organelle does cellular respiration take place?

mitochondria

100

When oxygen gains an electron as the final electron acceptor, what molecule is produced?

Water

100

Name the molecules that bring electrons to the etc in cellular respiration

NADH and FADH2

100

Cellular Respiration has 4 steps: glycolysis, oxidative phosphorylation, pyruvate oxidation, and the Kreb's cycle. Place these steps in the correct order they occur.

glycolysis -> pyruvate oxidation -->Krebs cycle -> electron transport

100

What is the location of the kreb's cycle?

matrix

Photosynthesis

100

What are the overall reactants and products of photosynthesis?

R: water and carbon dioxide

P: glucose and oxygen

100

Location of the light independent reaction 

stroma

100

What are the reactants for the calvin cycle?

carbon dioxide, ATP, NADPH

100

Final electron acceptor in the light reaction

NADP+

100

Protons are pumped from the stroma into the lumen through the ETC.  What region of the chloroplast would have a lower pH value?

Lumen

Enzymes & reactions

100

Where a substrate binds to an enzyme

Active site

100

Where do noncompetitive inhibitors bind to an enzyme?

Allosteric site 

100

How do enzymes catalyze reactions?

By lowering the activation energy for a reaction

100

Name of reactions where there is a net release of energy

Exergonic

100

____ refers to all the reactions in an organism where molecules are built

Anabolism