Cell Biology Quiz
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Questions and Answers

What is cellulose primarily composed of?

  • Lipid
  • Protein
  • Nucleic acid
  • Carbohydrate (correct)

What is the primary function of ribosomes within the cell?

  • Build proteins from amino acids (correct)
  • Construct nucleic acids from nucleotides
  • Synthesize lipids from fatty acids
  • Degrade carbohydrates into monosaccharides

Which organelle is essential for muscle cells to produce ATP energy?

  • Central vacuole
  • Mitochondria (correct)
  • Smooth ER
  • Chloroplast

Which type of Endoplasmic Reticulum is primarily responsible for detoxification?

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

What is the function of cilia or flagella in a cell?

<p>Move substances across cell surfaces (B)</p> Signup and view all the answers

Which organelle is found only in eukaryotic cells?

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

What is the key conclusion of Rudolf Virchow regarding cells?

<p>All cells arise from pre-existing cells. (A)</p> Signup and view all the answers

Where is the DNA located in a prokaryotic cell?

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

Which of the following is NOT part of the cell theory?

<p>All cells originate from non-living matter. (D)</p> Signup and view all the answers

What is the primary macromolecule that composes the cell wall of plant cells?

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

Flashcards

Ribosomes

The organelle responsible for building proteins from amino acids.

Cell Wall

The outermost layer of a plant cell, providing support and structure.

Central Vacuole

A large, fluid-filled sac in plant cells that stores water, nutrients, and waste.

Mitochondria

The organelle responsible for producing energy in the form of ATP.

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Endoplasmic Reticulum (ER)

A network of interconnected membranes involved in protein synthesis and lipid metabolism.

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Prokaryotic Cell

A type of cell that has no membrane-bound organelles and is typically smaller and simpler than eukaryotic cells.

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Eukaryotic Cell

A type of cell that has a membrane-bound nucleus and other organelles, found in plants, animals, fungi, and protists.

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Cell Theory

A statement describing the fundamental properties of all living organisms, proposing that all living things are composed of one or more cells, that the cell is the basic unit of structure and function in all organisms, and that all cells arise from pre-existing cells.

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Cytoplasm

The site where DNA is located in a prokaryotic cell. It is not enclosed by a membrane like the nucleus in eukaryotes.

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