What is the main job of the electron carriers in cellular respiration?

Transport electrons and hydrogen atoms to the electron transport chain

Capture energy throughout the process of cellular respiration

Provide the reactants for the process of cellular respiration

Pump positive hydrogen ions and shuttle electrons across the electron transport chain and contribute to chemiosmosis

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?

Both species X and Y are aerobic.

Both species X and Y are anaerobic.

A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?

As the cells run out of oxygen they switch to anaerobic respiration (fermentation), which allows the cell to make small amounts of ATP in the absence of oxygen.

As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

The cells will never run out of oxygen if the weightlifter is breathing.

As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.

ATP is synthesized when H+ ions move through a channel in ATP synthase

H+ ions serve as the final electron acceptor

a concentration gradient is generated when H+ ions are passively transported from the matrix to the intermembrane space of the mitochondrion

energy is released as H+ ions move freely across the mitochondrial membrane

What are the stages of cellular respiration in order?

glycolysis, the citric acid cycle, oxidative phosphorylation

glycolysis, oxidative phosphorylation, the citric acid cycle

oxidative phosphorylation, glycolysis, the citric acid cycle

the citric acid cycle, oxidative phosphorylation, glycolysis

alcohol is produced after glycolysis

alcohol is produced during the citric acid cycle

lactic acid is produced during the citric acid cycle

lactic acid is produced after glycolysis

The main purpose of anaerobic respiration is to

replenish oxaloacetic acid for the Krebs cycle

What is one function of the other pigments besides chlorophyll, in the chloroplast?

to absorb different wavelengths than the chloroplasts

to block damaging wavelengths of light

to provide different colors to the leaves

to transfer energy to a separate photosystem beside the one using chlorophyll a and b.

What is the function of NADP+?

It is a light-reflecting pigment

It acts as long-term energy storage

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

Chloroplast / thylakoid membrane

When oxygen is released as a result of photosynthesis, it is a direct by-product of

electron transfer in photosystem II and I

What is the primary function of the Calvin cycle?

produce simple sugars from carbon dioxide

regenerate ATP for use in the light reactions of photosynthesis

produce carbon dioxide for use in the light reactions of photosynthesis

produce oxygen by oxidizing water

Which of the following is the correct equation for PHOTOSYNTHESIS?

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

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

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

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

Which of the following is directly associated with Photosystem I?

receiving electrons from the thylakoid membrane ETC

harvesting light energy to make ATP

extraction of hydrogen electrons from the splitting of water

Which of the following events occurs in the light reactions of photosynthesis?

light is absorbed and funneled to reaction-center chlorophyll a

carbon dioxide is fixed in organic molecules

What is the primary function of cyclic electron flow?

to produce additional carbon dioxide

Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?

The light reactions provide ATP and NADPH to the Calvin cycle, and the Calvin cycle returns ADP, ℗i, and NADP+ to the light reactions.

The light reactions provide ATP and NADPH to the carbon fixation step of the Calvin cycle, and the Calvin cycle provides water and electrons to the light reactions.

The light reactions supply the Calvin cycle with CO2 to produce sugars, and the Calvin cycle supplies the light reactions with sugars to produce ATP.

The light reactions provide the Calvin cycle with oxygen for carbon fixation, and the Calvin cycle provides the light reactions with sugars to produce ATP.

AP Biology Photosynthesis and Cellular Respiration

Authored by Mr. Hand

Biology

9th - 12th Grade

NGSS covered

Used 454+ times

AP Biology Photosynthesis and Cellular Respiration

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

How is cellular respiration related to photosynthesis?

Both require oxygen to start

respiration is the opposite of photosynthesis

Both start with glycolysis

Both end with 38 ATP for cells

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements are false?

Glycolysis can occur with or without oxygen

Glycolysis is the first step in both anaerobic and aerobic respiration

Glycolysis occurs in the mitochondria

Glycolysis produces 2 ATP, 2 Pyruvates, and 2 NADH

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the products (things that are made) in cellular respiration

ATP

Carbon dioxide (CO2)

Water

All of the above

Tags

NGSS.HS-LS1-7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Glucose is broken down into pyruvate in a process known as

glycolysis

electron transport

the Krebs cycle

phosphorylation

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

This term refers to the production of ATP without oxygen being present.

anaerobic

prokaryotic

biogenic

organic

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

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AP Biology Photosynthesis and Cellular Respiration

How is cellular respiration related to photosynthesis?

Which of the following statements are false?

What are the products (things that are made) in cellular respiration

Glucose is broken down into pyruvate in a process known as

This term refers to the production of ATP without oxygen being present.

What is the correct equation for cellular respiration?

What is cellular respiration?

Which of these molecules is released during the Kreb's cycle

What is the main job of the electron carriers in cellular respiration?

Glycolysis is a _______ process

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