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2469827
AQA B1
Descrição
GCSE Biology AQA GSCE Mapa Mental sobre AQA B1, criado por Mrs Griffith em 10-04-2015.
Sem etiquetas
biology aqa gsce
gcse
Mapa Mental por
Mrs Griffith
, atualizado more than 1 year ago
Mais
Menos
Criado por
Mrs Griffith
aproximadamente 9 anos atrás
65
3
2
Resumo de Recurso
AQA B1
Fit and Healthy
7 nutrients (CFFWVMP)
BMI as a measure of health
mass (kg) / (height m)2
doesn't take into account muscle mass
Metabolic Rate
effected by ... gender, genetics, muscle mass, age
Disease & Health
Specific defences
Vaccination
Microbes (growth & Prevention)
Semmelweiss (hand washing)
aseptic techniques
Sterilisation
sterile agar
passing innoculating loop through flame
Nerves
Remember the synapse is where chemicals diffuse across the gap between the neurones to make sure the signal carries on
rapid response to danger
Homeostasis & the Menstrual Cycle
Control of Water, Ions, temp, sugar
hormones released by glands ( EG Pituitary or Ovary) and target organs
Menstrual Cycle is 28 days - day 14 is when the egg is release
FSH-
Oestrogen
LH
control of fertility
IVF
Contraceptive Pill
Plant Hormones
Auxins
shoots grow more
root grow less
Tropisms
Phototropism (light)
Geotropism (Gravity)
used in Rooting powder/weed killer
Drugs
types
antibiotics
ONLY KILL BACTERIA
Overuse has led to development of MRSA
painkillers
recreational
Illegal
legal
steroids (performance enhancing
drug trials
Blind, double blind trials & placebo
Thalidomide
developed for? Used for? Effects?
Interdependence
animals compete for light, water, food & mates
Adaptations
Features that help survival
Eg ... Increased surface area helps in hot climates as heat is released
Feeding relationships
Recycling in nature
decay
Carbon Cycle
Variation & Genetics
Sexual Reproduction
2 parents - produces variation!
23 chromosomes each from the sperm and egg = 23 pairs in offspring
Asexal Reproduction
One parent. Produces CLONES!
Cloning
In Plants
Cutting
Tissue Transplant
In animals
Embryo Transplant
Adult cell
Genetic Engineering
What, why and how? (insulin)
Evolution
Lamark
Darwin
Natural Selection and survival or the fittest (SEE MRSA EG)
Anexos de mídia
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