'Describe negative feedback in living organisms'

Created by: 11greech
Created on: 18-01-18 13:53

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'Describe negative feedback in living organisms'
- Hormones
  - Significance
    - Glycoproteins
    - Homeostasis
  - Peptide based
    - Insuline
      - Inhibitor of Glucagon
    - Adrenaline
  - Steroid
    - Oestrogen
      - Further reading: Link with cancer / contraception
        Oestrogen receptor complex?
- Sympathetic/ Parasympathetic
  - Control of HR
    - Chemoreceptors in carotid arteries
      - Baroraceptors
        Sympathetic/ Parasympathetic
        Control of HR
        Chemoreceptors in carotid arteries
        Baroraceptors
        
        Pupils dilate/ contract
  - Pupils dilate/ contract
- Homeostasis
  - Define
  - Temperature
    - Too high denatures enzymes
    - Too low = Less KE
      - Respiration and photosynthesis (rate) both change
        Too high denatures enzymes
  - Hormones
    - Significance
      - Glycoproteins
      - Homeostasis
    - Peptide based
      - Insuline
        Inhibitor of Glucagon
      - Adrenaline
    - Steroid
      - Oestrogen
        Further reading: Link with cancer / contraception
        Oestrogen receptor complex?
  - Glucose
  - Water
- Receptors
  - Cell signaling
  - Homeostasis
  - Heart Rate
  - Glycoproteins
    - Plasma membrane
- Enzymes
  - Structure
  - End-product inhibition
- Conclusion
  - Significance of negative feedback
  - Consequences if conditions are not maintained
- Introduction
  - Define negative feedback
  - Role of NF in organisms
- Response to stimuli
  - Kinesis
    - Define
    - Change in water potential of cells
      - Change in rate of movement with woodlice
- Plant response
  - Changes in rate of photosynthesis (CO2, Temp etc)
  - Effect of water potential on cells
    - E.G plasmolysed
  - Opening and closing of stomata
    - Untitled

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'Describe negative feedback in living organisms'

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