The Cell
- Created by: jadder1224
- Created on: 02-09-17 15:11
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- The Cell
- Common features
- Have all inherited from their cellular predecessors, and can pass onto their daughter cells, in the form of genes
- All have a cellular membrane, sometimes called a plasma membrane
- All carry out metabolism to produce energy
- All are capable of some form of movement
- Eukaryotes
- Plants
- Animals
- Fungi
- Protists
- Protozoa
- Algae
- All have a membrane bound nucleus
- Exist as single cell enitites or as more complex multicellular organisms
- Generally they are much larger than prokaryotes
- Prokaryotes
- Bacteria
- Archaea
- Do not contain a membrane bound nucleus
- Tend to exist as single cell entities
- Generally they are much smaller than eukaryotes
- Diffusion across the plasma membrane
- Channel proteins
- water channels
- ion channels
- Phospholipid bilayer
- fat soluble molecules
- Channel proteins
- Mitochondria
- Carry out aerobic respiration
- Require oxygen
- Breakdown pyruvate to create energy
- Produce ATP
- Nucleus
- loosly packed DNA
- chromatin for cell division
- Nucleolus
- centre of nucleus
- contains genes that produce ribosomes
- loosly packed DNA
- Rough and Smooth endoplasmic reticulum
- Rough
- has ribosomes on its surface
- translate mRNA into polypeptides and basic proteins
- Smooth
- synthesises lipids, phospholipids and steroids
- Rough
- Ribosomes
- large and small sub-units join to form a ribosome
- functions to translate mRNA into protein
- Golgi apparatus
- sorts, modifies and packages proteins
- proteins packaged into vesicles ready for transport
- Common features
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