Cells Lab
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Cells are the smallest and most basic unit of life. There are two main types of cells - prokaryotic cells which are simple and lack organelles, and eukaryotic cells which are more complex and contain organelles. Eukaryotic cells include animal and plant cells which have internal structures like a nucleus that holds DNA, organelles for functions like protein production, and a cytoskeleton for internal organization and movement.
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Directdamage
Indirectly
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Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
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photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
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aziz sancar nobel prize winner: from mardin to nobel
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Cells Lab
- 1. Cells • All living things are made up of cells • Smallest unit of life • Two types of cells: – Prokaryotic: simple – Eukaryotic: complex
- 2. A typical bacterial cell:
- 3. Animal Cell Separates cell from outside Control center Holds the DNA Surrounds nucleus Holes for transport of materials Makes ribosomes Holds organelles Makes proteins Modifies proteins Makes lipids Packages and ships Vesicle transport Digestion vesicle Makes ATP for energy Centrioles: involved in cell division Cytoskeleton: internal organization and movement
- 4. Animal Cell Examples • Human Cheek Cell – Stained with methylene blue
- 5. Plant Cell Protection, support Store water, wastes Increase surface area photosynthesis
- 6. Plant cell examples • Elodea • Onion epidermis – Stained with Iodine solution
Editor's Notes
- Prokaryote and eukaryote cells. Provided by: Science Primer. Located at: https://commons.wikimedia.org/wiki/File:Celltypes.svg. License: Public domain Phylogenetic tree. Authored by: Maulucioni. Located at: https://commons.wikimedia.org/wiki/File:PhylogeneticTree,_Woese_1990.PNG. License: CC BY-SA: Attribution-ShareAlike
- Bacterial cells. Provided by: Coffee. Located at: https://pixabay.com/en/school-education-science-diagram-40847/. License: Public domain
- Animal Cell. Provided by: LadyofHats. Located at: https://commons.wikimedia.org/wiki/File:Animal_cell_structure_en.svg. License: Public domain
- Human cheek cells. Authored by: Joseph Elsbernd. Located at: https://www.flickr.com/photos/codonaug/6936088806. License: CC BY-SA: Attribution-ShareAlike
- Plant cell structure. Authored by: LadyofHats. Located at: https://simple.wikipedia.org/wiki/Plant_cell#/media/File:Plant_cell_structure-en.svg. License: Public domain
- Elodea. Authored by: green.thumbs. Located at: https://www.flickr.com/photos/greenthumbs/120801033/. License: CC BY-NC: Attribution-Noncommercial Onion epidermis. Authored by: John Alan Elson. Located at: https://commons.wikimedia.org/wiki/File:Onionepidermis40x3.jpg. License: CC BY-SA: Attribution-ShareAlike