Cell Division in Organisms Quiz
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Questions and Answers

What is one primary function of cell division in multicellular organisms?

  • To produce unique genetic combinations
  • For energy production
  • To eliminate old cells
  • For growth and repair (correct)

What distinguishes meiosis from other forms of cell division?

  • It does not involve chromosome duplication
  • It occurs in somatic cells only
  • It results in daughter cells with identical DNA
  • It produces sperm and egg cells (correct)

What do eukaryotic chromosomes consist of during cell division?

  • Chromatin (correct)
  • Ribosomes
  • Nucleotides
  • Plasmids

How many sets of chromosomes do somatic cells have?

<p>2 sets of chromosomes (B)</p> Signup and view all the answers

What term describes the characteristic number of chromosomes for each species?

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

Flashcards

Cell Division in Unicellular Organisms

Cell division in unicellular organisms creates new, identical organisms.

Cell Division in Multicellular Organisms

Cell division allows multicellular organisms to grow, repair tissues, and develop from a single cell.

Daughter Cells

The new cells created from cell division, usually genetically identical.

Meiosis

A type of cell division that produces sperm and egg cells, with half the number of chromosomes.

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Chromosomes

Structures within a cell that contain DNA.

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Chromatin

A complex of DNA and proteins that condenses during cell division.

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Somatic Cells

Body cells, containing two sets of chromosomes.

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Gametes vs somatic cells

Gametes (sperm and eggs) contain one set of chromosomes, while somatic cells contain two sets.

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Study Notes

Cell Division in Unicellular Organisms

  • Cell division reproduces the entire organism.

Cell Division in Multicellular Organisms

  • Essential for development from a fertilized cell.
  • Crucial for growth.
  • Necessary for repair.
  • Typically produces daughter cells with identical genetic information (DNA).
  • Meiosis is an exception, producing sperm and egg cells.

Chromosomes

  • DNA molecules in a cell.
  • Eukaryotic chromosomes consist of chromatin: a complex of DNA and protein.
  • Chromatin condenses during cell division.
  • Each species has a specific number of chromosomes.

Somatic Cells vs. Gametes

  • Somatic cells (body cells) have two sets of chromosomes.
  • Gametes (sperm/eggs) have one set of chromosomes.

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Description

Test your understanding of cell division in both unicellular and multicellular organisms. This quiz covers essential processes like meiosis, the role of chromosomes, and the differences between somatic cells and gametes. Perfect for biology students looking to reinforce their knowledge.

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