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Animal Biology 1: Cell Biology
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Notes from the lectures on cell biology as an introduction to animal biology.
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Cell Biology'The study of the structure, physiology, growth, reproduction and death of the cell.'
Cells are:
● specialised
● the smallest functioning unit of life
Order of parts:
Cell > Tissue > Organ > Organ system > Organism
Functions of cells:
● Structure + support
● Growth
● Energy
● Metabolism
● Reproduction
Organic compounds:
● Carbon
● Lipids
● Proteins
● Nucleic acids
Cellular communications:
● Endocrine system
○ Hormones
● Nervous system
○ Neurotransmitters
● Defence system
○ Cytokines
Muscle types:
● Smooth
● Skeletal
● Cardiac
Tissue types:
● Muscle
● Connective
○ Tendons, blood, fat, tissue fibres and cartilage
● Nervous
● Epithelial
○ Covers the body surface
○ Lines cavities and hollow organs
○ Glands
Random things they like to reference:
● Na+ and K pumps are used to maintain electrical potential at: -70mV
● Chicken blood cells have a nucleus but all other mammals don't
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