Photosynthesis Diagram Labeling

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Questions and Answers

What is the main function of adenosine triphosphate (ATP) in the cell?

  • Regulation of cell shape
  • Transfer of energy for cellular functions (correct)
  • Storage of genetic information
  • Facilitation of cell division

What is the main purpose of breaking off the unstable 3rd phosphate in ATP?

  • To increase ATP's stability
  • To release a blast of energy (correct)
  • To reduce ATP's energy content
  • To trigger cell division

Which type of molecules are the most important energy sources in the foods we eat according to the text?

  • Proteins
  • Vitamins
  • Carbohydrates (correct)
  • Minerals

What is the main reason why fats are considered to store the most energy in our body?

<p>High energy density (D)</p> Signup and view all the answers

Which molecules are least likely to be broken down to make ATP?

<p>Proteins (C)</p> Signup and view all the answers

Where does the energy in our food ultimately come from?

<p>Photosynthesis in plants (A)</p> Signup and view all the answers

What happens if an enzyme's structure changes?

<p>It may not work at all (C)</p> Signup and view all the answers

How do catalysts affect the activation energy of a chemical reaction?

<p>Decrease the activation energy (C)</p> Signup and view all the answers

What is the role of the active site on an enzyme?

<p>Lower the activation energy barrier (B)</p> Signup and view all the answers

Why are enzymes considered highly selective catalysts?

<p>Each enzyme only speeds up a specific reaction (A)</p> Signup and view all the answers

What is the purpose of naming enzymes based on the reaction they catalyze?

<p>To simplify identification of their function (A)</p> Signup and view all the answers

Why can enzymes be compared to puzzle pieces or keys fitting into locks?

<p>They require specific shapes to function correctly (C)</p> Signup and view all the answers

What is the immediate result of the 6-carbon molecule splitting in the Calvin cycle?

<p>Formation of two 3-carbon molecules (C)</p> Signup and view all the answers

What is the final product of the Calvin cycle that leaves to make carbohydrates?

<p>Glyceraldehyde 3-phosphate (D)</p> Signup and view all the answers

What is the role of ATP in the conversion of 3-PGA to G3P in the Calvin cycle?

<p>Donates a phosphate group (A)</p> Signup and view all the answers

What is the fate of the G3P molecule that is not used to make carbohydrates in the Calvin cycle?

<p>Converted into RuBP (A)</p> Signup and view all the answers

Which pathway is the most common way for plants to fix carbon?

<p>Calvin cycle (A)</p> Signup and view all the answers

In what way have plants in hot/dry climates adapted to survive?

<p>By closing stomata during the day (C)</p> Signup and view all the answers

Where does the Calvin Cycle take place?

<p>Stroma (C)</p> Signup and view all the answers

What is the main purpose of the Calvin Cycle?

<p>Produce organic molecules in the form of sugars (D)</p> Signup and view all the answers

Which molecule is bonded with CO2 during the Calvin Cycle?

<p>Ribulose bisphosphate (RuBP) (B)</p> Signup and view all the answers

What process occurs when CO2 from the atmosphere is fixed into organic compounds?

<p>Carbon fixation (A)</p> Signup and view all the answers

During which step of the Calvin Cycle does CO2 diffuse into the stroma?

<p>Step 1 (B)</p> Signup and view all the answers

What provides energy for the Calvin Cycle to produce sugars?

<p>ATP and NADPH (B)</p> Signup and view all the answers

Where does Glycolysis occur in cellular respiration?

<p>Cytosol (B)</p> Signup and view all the answers

Which phase of Glycolysis involves the splitting of glucose?

<p>Energy investment phase (D)</p> Signup and view all the answers

Where does the Oxidation of Pyruvate occur in cellular respiration?

<p>Mitochondrial Matrix (B)</p> Signup and view all the answers

In which part of cellular respiration does the Krebs Cycle take place?

<p>Mitochondrial Matrix (B)</p> Signup and view all the answers

Where does the Electron Transport Chain and Chemiosmotic Phosphorylation occur?

<p>Cristae (A)</p> Signup and view all the answers

Which part of cellular respiration only occurs in the presence of oxygen?

<p>Krebs Cycle (B)</p> Signup and view all the answers

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