Biology Chapter: Prokaryotic vs Eukaryotic Cells

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Questions and Answers

What is the primary structural difference between prokaryotic and eukaryotic cells?

  • The presence of a cell wall
  • The number of mitochondria
  • The presence of a nucleus (correct)
  • The size of the cell

Which of the following statements is true regarding prokaryotic cells?

  • They reproduce by binary fission. (correct)
  • They have membrane-bound organelles.
  • They possess chloroplasts.
  • They undergo sexual reproduction.

Which structure is absent in prokaryotic cells?

  • Vacuoles
  • Chlorophyll
  • Golgi apparatus (correct)
  • Plasma membrane

What type of reproduction is common in eukaryotic cells?

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

In which type of cell would you expect to find multiple chromosomes?

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

What is the basic structural and functional unit of all known organisms?

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

Which of the following cells do NOT have membrane-bound organelles?

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

Which statement accurately describes a principle of the cell theory?

<p>Cells arise only from the division of previously existing cells. (B)</p> Signup and view all the answers

What is the smallest living microorganism on Earth?

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

Which of the following functions is NOT performed by cells?

<p>Building large organs (C)</p> Signup and view all the answers

What type of organisms are made up of a singular cell?

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

Which of the following is a characteristic of eukaryotic cells?

<p>Presence of membrane-bound organelles (D)</p> Signup and view all the answers

Which of these statements describes the Sequoia plant?

<p>It is the biggest plant organism. (D)</p> Signup and view all the answers

Flashcards

Cell

The basic structural, functional, and biological unit of all known organisms.

Cell Biology

The study of cells.

Robert Hooke

Scientist who discovered cells in 1665.

Eukaryotic cell

A type of cell that has membrane-bound organelles.

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Prokaryotic cell

A type of cell that does not have membrane-bound organelles.

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Single-celled organisms

Organisms composed of a single cell

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Multicellular organisms

Organisms composed of many cells.

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Cell Theory

Set of four principles about cell structures and functions.

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Cell Theory Principle 1

All organisms are composed of one or more cells.

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Cell Theory Principle 2

Cells are the smallest living things.

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Cell Theory Principle 3

Cells arise only by division of pre-existing cells.

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Cell Theory Principle 4

All cells come from preexisting cells.

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Prokaryotic cell

A cell that does not have a nucleus or other membrane-bound organelles.

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Eukaryotic cell

A cell that has a nucleus and other membrane-bound organelles.

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Nucleus

The membrane-bound organelle in a eukaryotic cell that contains the cell's DNA.

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Plasma membrane

The membrane that surrounds a cell, controlling what enters and leaves.

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Cell wall

A rigid layer outside the plasma membrane of some cells, providing structural support.

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Mitochondria

The organelles involved in energy production. (powerhouses of the cell)

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Chromosomes

Thread-like structures in the nucleus that carry genetic information.

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Chloroplasts

Organelles responsible for photosynthesis in plant cells.

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Vacuoles

Membrane-bound sacs that store water, nutrients, or waste products in cells.

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Binary Fission

A type of asexual reproduction used by some prokaryotes, where the cell divides into two identical daughter cells

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Mitosis/Meiosis

Processes of cell division, common in eukaryotes.

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Golgi Apparatus

An organelle involved in processing, packaging, and transporting proteins and lipids.

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