Cell Biology Quiz

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Questions and Answers

What is the main difference between prokaryotic and eukaryotic cells?

  • Presence of a nucleus (correct)
  • Size of the cell
  • Number of organelles
  • Presence of mitochondria

Which type of cells store nutrients?

  • Neurons
  • Muscle cells
  • Blood cells
  • Fat cells (correct)

What is the function of the integumentary system?

  • Protects the body from the external environment (correct)
  • Transmits information between cells
  • Eliminates nitrogenous wastes
  • Distributes oxygen and nutrients

Which system eliminates nitrogenous wastes and excess ions?

<p>Urinary system (A)</p> Signup and view all the answers

Which type of cell has a nucleus?

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

Which cell type is responsible for fighting disease?

<p>Blood cell (A)</p> Signup and view all the answers

Which system eliminates nitrogenous wastes and excess ions?

<p>Urinary system (A)</p> Signup and view all the answers

What is the approximate size of a rod cell?

<p>More than 0.2 µm (D)</p> Signup and view all the answers

During which phase of the eukaryotic cell cycle do the chromosomes undergo condensation?

<p>G2 (C)</p> Signup and view all the answers

What holds the two centromeres together following the S phase of the cell cycle?

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

In mitosis, which phase is characterized by the alignment of chromosomes at the cell's equator?

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

During which phase do the chromosomes align at the center of the cell?

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

What occurs during anaphase I of meiosis?

<p>Homologous chromosomes separate (A)</p> Signup and view all the answers

What is the main characteristic that distinguishes meiosis II from mitosis?

<p>Sister chromatids remain joined at their centromeres (A)</p> Signup and view all the answers

What is the result of meiosis II?

<p>Four haploid daughter cells (C)</p> Signup and view all the answers

What is the function of the spindle apparatus in mitosis?

<p>To separate sister chromatids (A)</p> Signup and view all the answers

What is the key difference between cytokinesis in animal cells and plant cells?

<p>Formation of a cell plate in plant cells (C)</p> Signup and view all the answers

What is a defining feature of gametes?

<p>They contain half the number of chromosomes of an adult body cell (D)</p> Signup and view all the answers

What happens during prophase I of meiosis?

<p>Homologues become closely associated in synapsis (B)</p> Signup and view all the answers

What is the result of meiosis I?

<p>Two haploid daughter cells (B)</p> Signup and view all the answers

What is the role of the centrioles in mitosis?

<p>Move to each pole of the cell (C)</p> Signup and view all the answers

What is the defining characteristic of adult body cells (somatic cells)?

<p>They are diploid (C)</p> Signup and view all the answers

What is the function of chiasmata in meiosis?

<p>Physical exchange of regions of the chromatids (B)</p> Signup and view all the answers

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