Zusammenfassung der Ressource
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)