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Summary Eduquas (England) core concept 1.1 Cell biology and organisation £5.00   Add to cart
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Summary Eduquas (England) core concept 1.1 Cell biology and organisation

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This is a summary of Cell biology it covers: - Eukaryotic cells - prokaryotic cells - Plant vs animal cells - All organelles within plant and animal cells needed for A-level - Virus cells - Diffrent tissue types - Diffrent muscle types - types of microscopes (costs vs benefits) - M...

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  • January 29, 2024
  • 10
  • 2022/2023
  • Summary

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topic 2
Cell organization
- Cells
- Organelles
- Prokaryotes / viruses
- Levels of organizations

, Cells
Cells are surrounded by a phospholipid and protein
membrane. All eukaryotic cells also contain membrane
bound organelles, in their cytoplasm. Membranes allow
for a larger surface area for enzymes to attach to as well
as keeping potently harmful chemicals out of the
cytoplasm.

A plant cell contains a vacuole, cell wall, chloroplasts and
a plasmodesma which animal cells do not have. An
animal cell is around 10-30 um or 0.001 -0.003 mm long.
whereas a plant cell can be anywhere from 10-100 um or
0.001-0.01 mm long.




Organelles
The nucleus is made up of 4 different elements. These
are; chromatin, nucleolus, nucleopore and nuclear
envelope.

Mitochondria has 2 membranes separated by inter-
membrane fluid of which the inner membrane folds in to
form cristae. Inside the mitochondria there is a matrix
containing lipids and proteins. This is where respiration
takes place. Mitochondria also contains a circle of DNA
and some 70s ribosomes to complete its own protein

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