Cell Biology Quiz
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Questions and Answers

Which of the following statements is true for prokaryotic cells?

  • They have a defined nucleus.
  • They are characteristic of organisms like bacteria. (correct)
  • They are more complex than eukaryotic cells.
  • Their DNA is contained within a nuclear membrane.

What constitutes the basis of the cell theory?

  • Cells can only be found in multicellular organisms. (correct)
  • All cells perform the same functions regardless of type.
  • Cells are the smallest living units in an organism. (correct)
  • All cells arise spontaneously from non-living matter.

Which type of cell is characterized by having internal compartments for specialized functions?

  • Eukaryotic cells (correct)
  • Prokaryotic cells
  • Amoebic cells
  • Bacterial cells

What is a common characteristic of eukaryotic cells?

<p>Well-defined nucleus (C)</p> Signup and view all the answers

Which scientist contributed to the development of cell theory?

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

Which structure is found in both animal and plant cells?

<p>Cell membrane (A), Ribosomes (D)</p> Signup and view all the answers

Which process is specifically associated with the creation of genetic diversity?

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

What is the primary function of mitochondria in eukaryotic cells?

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

Which structure distinguishes plant cells from animal cells?

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

What role do ribosomes play in the cell?

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

Flashcards

Prokaryotic Cell

A simple cell lacking a defined nucleus, with DNA dispersed in the cytoplasm. Found in bacteria.

Eukaryotic Cell

A complex cell with a defined nucleus enclosed by a membrane. Found in animals, plants, fungi, and protists.

Cell Theory Principle 1

All living organisms are composed of cells.

Cell Theory Principle 2

The cell is the basic structural and functional unit of life.

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Cell Theory Principle 3

All cells arise from pre-existing cells.

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What does the cell membrane do?

The cell membrane controls the movement of substances in and out of the cell, acting like a gatekeeper.

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What's the cytoplasm?

The cytoplasm is the gel-like substance inside the cell where important processes happen.

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What does the nucleus do?

The nucleus contains the cell's DNA, which directs all the cell's activities.

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What's the role of mitochondria?

Mitochondria are the powerhouses of the cell, generating energy for the cell's functions.

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What is mitosis?

Mitosis is a type of cell division that produces two identical daughter cells from a single parent cell.

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