CH. 8 Practice Quiz

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| By Irelda

Irelda

Community Contributor

Quizzes Created: 1 | Total Attempts: 126

Questions: 16 | Attempts: 126 | Updated: Mar 14, 2023

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Please type your name. All feedback is from Ch. 8 Pt. 1 or 2. Hope you find it helpful! <3 If you don't know, just guess; it will tell you the right answers and your score at the end. You can retake it as many times as you want. (There will be an option at the end to retake it. )

Questions and Answers

1.

Don't worry about this :) This is the process for cellular respiration. Just type whatever you want int the box when your done. 1ST PROCESS FOR CELLULAR RESPIRATION FOR BOTH AEROBIC/ANAEROBIC RESPIRATION : Place: Cytoplasm Glycolysis process - absence of oxygen (fermentation) <harvesting electrons> Glucose broken down to Pyruvic acid > NADH (electron carriers > gets the electrons) > Gives 2 ATP but not enough 2ND PROCESS NOW FOR JUST AEROBIC PROCESS (ANAEROBIC STOPS): Place: Mitochondria Pyruvic acid moves into mitochondria > gets changed to acetyl-CoA (Why does it change? oxidizes > because oxygen present) 3RD STEP: Place: Mitochondria still Moves into the Krebs cycle (9 stages)> get more electrons out > electrons get carried by NADH and FADH2 (both electron carriers) 4TH STEP: Place: Electron Transport Chain NADH and FADH2 pass their electrons deeper into the mitochondrial membrane (squiggly line thingy in the middle) into the electron transport chain (drives the process to create/synthesize the most ATP possible) FINAL: 36/38 net ATP to use for EACH glucose molecule
2.

Don't worry about this :) This is explaining how much ATP is made in each process of cellular respiration. Just type whatever you want int the box when your done. 1 glucose molecule: Fermentation = 2 net ATP Aerobic rep. = 30+ net ATP (makes wayyyy more ATP than just fermentation)
3.

Photosynthesis is a chemical process that uses light energy to stick carbon dioxide molecules together with water to make sugars.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Pt. 1: "Photosynthesis is a chemical process that uses light energy to stick carbon dioxide molecules together with water to make sugars."

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4.

The oxygen produced during photosynthesis comes from the breakdown of carbon dioxide.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Pt. 1: The equation for photosynthesis is 6CO2 + 6H2O —> C6H12O6 + 6O2 (or carbon dioxide and water > in the presence of sunlight > gives glucose and water) When the water breaks down(H2O), that's where the oxygen comes from (O2). I asked her what the carbon dioxide is for, and she said it's to make carbohydrates (or sugar in this case).

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5.

The organelle involved in cellular respiration is the mitochondria.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
PT. 2: "Takes place in cytoplasm and mitochondria"

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6.

Fermentation is another name for anaerobic respiration.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
PT. 2: "Anaerobic (without air/oxygen) Cellular Respiration (fermentation)"

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7.

Cellular respiration is the breakdown of ATP and occurs in all living cells.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
PT. 2: "Cellular Respiration = The breakdown of sugars to ATP (useable energy) (energy molecule)"

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8.

Water and dissolved minerals move up the xylem of the plant via capillary action.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
PT. 2: "Water with dissolved minerals moves up xylem via capillary action"

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9.

Sunlight energy is capture by...
- A.
  
  Grana
- B.
  
  Chloroplasts
- C.
  
  Chlorophyll
- D.
  
  Mesophyll
Correct Answer
C. Chlorophyll

Explanation
PT. 1: "They act like an antenna to absorb the light (photons of energy)."

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10.

Cellular respiration is the ________ of photosynthesis. (HINT: not the same but...)

Correct Answer
opposite, opposite ,

Explanation
PT. 2: "Cellular respiration = The breakdown of sugars to ATP"
"Photosynthesis = making of sugar"

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4
11.

Is this equation for aerobic or anaerobic? C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy
- A.
  
  Aerobic
- B.
  
  Anaerobic
Correct Answer
A. Aerobic

Explanation
"Aerobic: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy"
Remember anaerobic has NO oxygen and uses ONLY glycolysis (process when there is no oxygen to get some ATP)

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12.

Walls of the xylem are negatively charged and "pull up" the water by _____________ charged hydrogen atoms.
- A.
  
  Positively
- B.
  
  Negatively
Correct Answer
A. Positively

Explanation
PT. 2: "Walls of xylem tubes are negatively charged and “pull” up the water molecules by the positively charged hydrogen atoms."

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Ch. 8 Practice Quiz

Don't worry about this :) This is explaining how much ATP is made in each process of cellular respiration. Just type whatever you want int the box when your done. 1 glucose molecule: Fermentation = 2 net ATP Aerobic rep. = 30+ net ATP (makes wayyyy more ATP than just fermentation)

Photosynthesis is a chemical process that uses light energy to stick carbon dioxide molecules together with water to make sugars.

The oxygen produced during photosynthesis comes from the breakdown of carbon dioxide.

The organelle involved in cellular respiration is the mitochondria.

Fermentation is another name for anaerobic respiration.

Cellular respiration is the breakdown of ATP and occurs in all living cells.

Water and dissolved minerals move up the xylem of the plant via capillary action.

Sunlight energy is capture by...

Cellular respiration is the ________ of photosynthesis. (HINT: not the same but...)

Is this equation for aerobic or anaerobic? C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy

Walls of the xylem are negatively charged and "pull up" the water by _____________ charged hydrogen atoms.