Cell Structure

Alex Manktelow
Mind Map by Alex Manktelow, updated more than 1 year ago
Alex Manktelow
Created by Alex Manktelow over 5 years ago
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Description

Mind Map on Cell Structure, created by Alex Manktelow on 10/10/2014.

Resource summary

Cell Structure
1 Plasma membrane
1.1 trilaminar appearance
1.2 partially permeable
1.2.1 controlling exchange between cell and environment
2 Nucleus
2.1 surrounded by 2 membranes
2.1.1 nuclear envalope
2.2 nuclear pores
2.3 chromosomes
2.3.1 literal meaning: coloured body
2.4 nucleolus
2.4.1 manufactures ribosomes
2.4.2 densly filled with protein
3 Mitochondria
3.1 cristae
3.1.1 finger-like structure
3.2 matrix
3.3 surrounded by 2 membranes
3.3.1 inner: folded membrane
3.4 later stage of aerobic respiration
4 Endoplasmic reticulum & ribosomes
4.1 continuous with the other membrane of the nuclear envelope
4.2 two types of ER
4.2.1 smooth ER
4.2.2 rough ER
4.2.2.1 flattened sacs
4.2.2.2 protein enters the sac
4.2.2.3 protein processing
4.2.2.4 small vesicles break off
4.2.2.4.1 join to form golgi
4.3 ribosomes ~25nm
4.3.1 RNA
4.3.1.1 ribonuceic acid
4.3.2 protein
4.3.2.1 protein-synthesis
5 Golgi apparatus
5.1 stack of flattened sacs
5.1.1 golgi vesicles
5.2 constantly being formed and budding off
5.3 collects, processes and sorts molecules
5.3.1 E.g. addition of sugar to protein to make glycoprotein
6 Lysosome
6.1 spherical sacs
6.2 single membrane
6.3 0.1 - 0.5um
6.4 contains hydrolytic enzymes
6.4.1 breaks down unwanted structures
7 Microvilli
7.1 finger-like extensions of the cell surface membrane
7.1.1 increases surface area
7.1.1.1 absorbtion
7.2 found on epithelial cells
8 Centrioles
8.1 hollow protein cylinders
8.2 0.4um
8.3 spindle fibre
8.4 formed by rings of short microtubules
8.4.1 protein - tublin

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