Cell Cytoplasm: Pigment Granules and Inclusion Bodies

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Questions and Answers

Who is credited with introducing the concept of nucleus?

  • Matthias Schleiden
  • Theodor Schwann
  • Marcelo Malphigi
  • Anton Van Leeuwenhoek (correct)

Which scientist is known as the True Father of Histology?

  • Marcelo Malphigi (correct)
  • Anton Van Leeuwenhoek
  • Friedrich Gustav Jacob Henle
  • Matthias Schleiden

Who proposed the cell theory for plants?

  • Theodor Schwann
  • Marcelo Malphigi
  • Max Schultze (correct)
  • Rudolf Virchow

Which scientist is associated with the discovery of cells forming a sheath surrounding nerves?

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

Who published the first human histology in 1841?

<p>Friedrich Gustav Jacob Henle (D)</p> Signup and view all the answers

Which scientist described the human body as a 'cell state'?

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

Which organelle is known as the 'powerhouse of the cell'?

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

What is the main function of lysosomes in a cell?

<p>Breakdown of macromolecules (C)</p> Signup and view all the answers

Which process involves the exclusion of waste products by the cell?

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

What is the function of centrosomes in a cell?

<p>Movement of chromosomes during cell division (A)</p> Signup and view all the answers

What is the composition of cytoplasm primarily made up of?

<p>Carbohydrates in the form of glycogen (D)</p> Signup and view all the answers

What is the primary function of the Golgi apparatus in a cell?

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

During which stage of the cell cycle is there active DNA synthesis and histone synthesis?

<p>2.S Stage (D)</p> Signup and view all the answers

What happens during cytokinesis in cell division?

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

Which type of cell division results in new cells that are not identical to each other and the parent cell?

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

What does karyokinesis refer to in cell division?

<p>Division of the nucleus (B)</p> Signup and view all the answers

In which stage of mitosis does the division of the nucleus occur?

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

What can happen if karyokinesis occurs without cytokinesis during cell division?

<p>Formation of multinucleated cells (C)</p> Signup and view all the answers

Which pigment is described as a dark brown/black pigment?

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

Where are zymogen granules abundantly found?

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

Which inclusion body is rich in mucoproteins and a precursor of digestive enzymes?

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

What is the function of the nucleolus?

<p>Site of RNA synthesis (D)</p> Signup and view all the answers

Which cells are described as binucleated?

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

What is the iron-containing pigment originating from the destruction of hemoglobin?

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

During which phase of cell division do chromosomes detach from chromosomal microtubules at each pole of the cell?

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

What happens to the chromosomes in Metaphase of cell division?

<p>They align along the equatorial plate. (D)</p> Signup and view all the answers

What marks the start of the formation of spindle fibers in Prophase?

<p>Pair of centrioles duplicating and moving towards opposite poles. (C)</p> Signup and view all the answers

Which phase of cell division involves cell elongation due to spindle fibers pulling chromatids to opposite poles?

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

What is characteristic of Anaphase in cell division?

<p>Cell elongation as spindle fibers pull chromatids apart. (D)</p> Signup and view all the answers

Which phase of cell division involves the re-synthesis of cellular components like CHON (Carbon, Hydrogen, Oxygen, Nitrogen)?

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

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