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Lysosome

Lysosome

Author: Nathan Lampson
Objective:

Lysosomes play an important part in the function of a living cell. In this tutorial, you will learn about the structure and function of a lysosome, and how it uses enzymes to break down molecules, such as food molecules for the cell to use.

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Show your understanding of this concept by correctly answering 3 questions.

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Tutorial

This lesson discusses the role of the lysosome in the cell.

Questions and Answers

  • Answers 0
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    Erick Ortiz 2 months ago

    What are molecules for?

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  • Answers 0
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    amme burns 5 months ago

    What Contains molecules and different reactipns?

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  • Answers 0
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    amme burns 5 months ago

    What Contains molecules and different reactipns

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  • Answer 1
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    Domingo Granados 6 months ago

    Why are lysosomes considered he garbage trucks of a cell?

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    •  
      Sven Schniedergers answered 5 months ago

      Because they break down harmful waste to the cell.

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  • Answers 2
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    Rusty Sturken almost 2 years ago

    Great video and terrific information. I don't doubt your information but how can scientists find the pH inside lysosomes? It seems like they would be to small to investigate.

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      Hyrum Lott answered almost 2 years ago

      Fluorescent pH probes are introduced into lysosomes which can then be detected by flow cytometry. The probe is typically "excited" at two or more wavelengths, causing it to fluoresce. The ratio of fluorescence can then be used to determine the pH in a lysosome (ratiometrics). This technique also works for other intracellular organelles.

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      Author
      Nathan Lampson answered almost 2 years ago

      This is anecdotal. My guess is that scientists are able to use indicators for H+ ion concentration and then look at the cell under a microscope.

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Academic Reviews
SOPHIA has reviewed the tutorial and found it academically sound.
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