Cell Theory

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Questions and Answers

Which one of these is a characteristic of an exergonic reaction?

  • It releases energy. (correct)
  • It is endothermic.
  • It has a positive change in free energy (∆G).
  • It requires an input of energy.

Which one of these is a characteristic of an endergonic reaction?

  • It requires an input of energy. (correct)
  • It is exothermic.
  • It releases energy.
  • It has a negative change in free energy (∆G).

Which one of these is an example of catabolism?

  • Photosynthesis
  • Glycolysis (correct)
  • DNA replication
  • Protein synthesis

Which one of these is an example of anabolism?

<p>Protein synthesis (D)</p> Signup and view all the answers

Which one of these is the primary function of ATP?

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

Which one of these is an example of competitive inhibition?

<p>Enzyme-substrate binding (C)</p> Signup and view all the answers

Which one of these is an example of non-competitive inhibition?

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

Which one of these is the primary site of oxidative phosphorylation in cellular respiration?

<p>Electron transport chain (C)</p> Signup and view all the answers

Which one of these is the primary function of the electron transport chain in cellular respiration?

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

Which one of these is a characteristic of anaerobic respiration?

<p>It involves the breakdown of glucose. (A)</p> Signup and view all the answers

According to the cell theory, which of the following is NOT one of the three principles?

<p>Cells are capable of photosynthesis (C)</p> Signup and view all the answers

Which of the following is NOT a difference between prokaryotic and eukaryotic cells?

<p>Size of the cell (B)</p> Signup and view all the answers

Why can't cells be huge?

<p>The SA:Volume ratio limits their size (A)</p> Signup and view all the answers

Why do different cells in the same organism with the same DNA look and function in a unique way?

<p>They have different proteomes (B)</p> Signup and view all the answers

What is the difference between a genome and a proteome?

<p>A genome refers to an organism's complete set of genes, while a proteome refers to all the proteins produced by an organism (C)</p> Signup and view all the answers

Which of the following is NOT an organelle discussed in lecture?

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

Which organelle is responsible for protein synthesis and secretion via the endomembrane system?

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

What is the function of the cytoskeleton?

<p>Cellular movement (D)</p> Signup and view all the answers

What is the fluid mosaic model in terms of membrane structure?

<p>A model that describes the fluidity and dynamic nature of the plasma membrane (C)</p> Signup and view all the answers

Which of the following is NOT a feature or structural component of the plasma membrane?

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

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