Protista Kingdom Overview
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Questions and Answers

What is the characteristic that unifies protists despite their polyphyletic nature?

  • Their ability to perform photosynthesis
  • Their eukaryotic cells (correct)
  • Their unicellular quality
  • Their ability to consume other organisms

What is the primary source of energy for all living things?

  • The sun (correct)
  • Soil
  • Water
  • Atmospheric gases

What is the term used to describe organisms that produce their own energy and matter?

  • Heterotrophs
  • Autotrophs (correct)
  • Carnivores
  • Omnivores

What happens to the energy and matter of organisms when they die?

<p>It is broken down and recycled (A)</p> Signup and view all the answers

What is the result of taking in too much energy?

<p>Weight gain (D)</p> Signup and view all the answers

What is the term used to describe organisms that obtain energy and matter by consuming other organisms?

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

What is a characteristic of protists that distinguishes them from prokaryotic bacteria?

<p>Their membrane-bound organelles (A)</p> Signup and view all the answers

What is the primary function of cell membranes?

<p>To regulate the internal environment of the cell (D)</p> Signup and view all the answers

What is the process by which cells actively move molecules across the membrane?

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

What is the purpose of negative feedback mechanisms?

<p>To maintain a target level (C)</p> Signup and view all the answers

What is the energy source for photosynthesis?

<p>The sun (D)</p> Signup and view all the answers

What is the process by which cells generate energy from sugar?

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

What is the most usable form of energy by cells?

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

What is the process of breaking down organic molecules to produce ATP?

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

What is the byproduct of aerobic cellular respiration from one glucose molecule?

<p>36 net ATP molecules (D)</p> Signup and view all the answers

What is the primary pigment that absorbs specific wavelengths of energy in photosynthesis?

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

What is the type of phosphorylation involved in fermentation?

<p>Substrate-level phosphorylation (D)</p> Signup and view all the answers

What is the final electron acceptor in anaerobic cellular respiration?

<p>Another final electron acceptor (C)</p> Signup and view all the answers

What is the process that converts energy from sunlight into food in plants and some protists and bacteria?

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

What is the reverse process of photosynthesis?

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