Photosynthesis/Cellular Respiration

Photosynthesis/Cellular Respiration

Photosynthesis

CO₂ + H₂O + ___= O_{2 + ____}

Multiple Choice

Which molecule synthesized by plants is a major source of energy for cellular processes in both plants and animals?

• wax

• nucleic acid

• glucose

• chlorophyll

Multiple Choice

Why do plants conduct photosynthesis?

• To make light
• To make mitochondria
• To make glucose
• To release carbon dioxide

Gas and water vapor exchange

Stomata/guard cells on the leaf

Chloroplast

Chlorophyll- pigment molecule

organelle that carries out photosynthesis

stroma is the fluid filled space between the grana

Multiple Choice

The stacks of disks in the chloroplast are called:

• Lamellae
• Grana
• Stroma
• Thylakoid

Multiple Choice

Which organelle does photosynthesis take place in?

• Mitochondrion
• Chlorplast
• Cytoplasm
• Nucleus

Multiple Choice

What pigment absorbs sunlight for photosynthesis?

• chloroplast

• thylakoid

• grana

• chlorophyll

Photosynthesis

• light reaction/thylakoid- H₂O + light (split water) = H+ ions and O₂

• ETC- H+ fuel proteins to produce ATP and NADPH (energy)

• Calvin cycle/stroma= energy+ CO₂ =Glucose

Multiple Choice

What are the products of photosynthesis?

• water and carbon dioxide
• oxygen and glucose
• oxygen and carbon dioxide
• oxygen and water

Multiple Choice

What are the reactants (what's needed) for photosynthesis?

• glucose and oxygen
• light, water, and carbon dioxide

Multiple Choice

Where do the light-dependent reactions occur? 

• thylakoid membrane
• stroma
• mesophyll
• mitochondria

Multiple Choice

Where does the Calvin Cycle occur?

• thylakoid
• stroma
• lumen
• mitochondria

Cellular Respiration

Breakdown of glucose to synthesize ATP

Mitochondria

inner membrane/matrix that increases the surface area for ATP production

Multiple Choice

The process of cellular respiration 

• is performed only by organisms that are incapable of photosynthesis
• is performed by autotrophs and heterotrophs
• occurs before plants are able to carry out photosynthesis
• occurs only in animals

Multiple Choice

The inner membrane of this organelle is highly folded.  What is the advantage of this folding?

• It increases the amount of light absorbed by the organelle.
• It increases the structural support of the organelle.
• It increases the surface area, allowing greater ATP production.
• It increases the surface area and the rate of glucose production.

Multiple Choice

What is cellular respiration?

• the breakdown of glucose  to release ATP
• the breakdown of glucose to release NADH
• the breakdown of glucose to release FADH
• the breakdown of glucose to release carbon

Cellular Respiration

• glycolysis- glucose = 2 pyruvate + 2ATP + NADPH

• intermediate- pyruvate + O₂- acetyl CoA + electron carriers

• KREB cycle- acetyl CoA (2 cycles) = 6 NADH (e carriers) + 2 ATP + 2H ions + 4 CO₂

• ETC- electrons move across proteins and accumulate H ions that fuel ATP production

Multiple Choice

proteins found on the inner matrix of the mitochondria cristae that are responsible for the majority of ATP production in a cell is called the

• electron transport chain

• hydrogen transport turbine

• kreb cycle

• citric acid cycle

Multiple Choice

The kreb cycle must complete ___ cycles to complete the breakdown of 1 glucose molecule

• 1

• 2

• 3

• 4

Multiple Choice

When glycolysis occurs,

• a molecule of glucose is split
• two pyruvate are made
• some ATP is produced
• all of these

Multiple Choice

What is the correct equation for cellular respiration?

• 6O₂ + C₆H₁₂O₆ -> 6CO₂ + 6H₂O + Energy
• 6O₂ + C₆H₁₂O₆ + Energy -> 6CO₂ + 6H₂O
• 6CO₂ + 6H₂O -> 6O₂ + C₆H₁₂O₆ + Energy
• 6CO₂ + 6H₂O + Energy -> 6O₂ + C₆H₁₂O₆

Multiple Choice

During which stage of cellular respiration is is the most ATP produced?

• Gycolysis

• Krebs Cycle

• Electron Transport Chain

• All stages produce the same amount

Multiple Choice

What happens during GLYCOLYSIS?

• Oxygen is used to breakdown glucose molecules.

• ATP is produced from oxygen.

• Glucose is broken down into pyruvic acid.

• Pyruvic acid is broken down into Acetyl-CoA.

Anaerobic Fermentation

yeast- Ethyl alcohol

animals- lactic acid

Multiple Choice

Lactic acid is produced by

• yeast during cellular respiration

• yeast during anaerobic respiration

• human muscles cells during aerobic respiration exercise

• muscle cells when they receive sufficient oxygen to power physical activity

• none of thee

Multiple Choice

Under anaerobic conditions yeast release

• oxygen

• carbon monoxide

• lactic acid

• ethyl alcohol

Multiple Choice

Two different species of bacteria are examined. Scientists find that species X always produces CO₂ and H₂O during cellular respiration. Species Y always produces ethyl alcohol and CO₂. Which conclusion can be made from these observations? 

•  Only species Y is aerobic.
• Only species Y is anaerobic.
• Both species X and Y are aerobic.
•  Both species X and Y are anaerobic. 

Photosynthesis and Cellular Respiration

• the products of photosynthesis becomes the reactants of cellular respiration

• the products of cellular respiration become the reactants of photosynthesis

Multiple Choice

The diagram below shows the relationship between photosynthesis and cellular respiration and the organelles in which they occur.Which statement describes how photosynthesis and cellular respiration are interrelated?

•  Oxygen is produced during cellular respiration and stored during photosynthesis.
• Carbon dioxide and water released by cellular respiration are used in photosynthesis.
• Photosynthesis releases the energy that is stored during the process of cellular respiration.
•  Glucose is used during cellular respiration to produce food that is broken down during photosynthesis.

Multiple Choice

How are cellular respiration and photosynthesis related, in terms of energy?

• The energy captured in photosynthesis is used to power cellular respiration.
• The energy transformed in cellular respiration is used to power photosynthesis.
• Photosynthesis and respiration perform the same task in terms of energy transformation.
• Energy is not involved in either photosynthesis or cellular respiration.

Multiple Choice

A diagram representing the relationship between photosynthesis and cellular respiration is shown.  The numbered boxes in the diagram represent which of the following?

• 1 - water; 2 - nitrogen
• 1 - nitrogen; 2 - oxygen
• 1 - oxygen; 2 - carbon dioxide
• 1 - carbon dioxide; 2 - water

Multiple Choice

Which statement is true regarding cellular respiration?

• The reactants of cellular respiration are identical to the reactants of photosynthesis.

• The reactants of cellular respiration are obtained from the products of photosynthesis.

• The products of cellular respiration are the same as the products of photosynthesis

• Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.