Exam Revision Flashcards
Limitations of averaging
Outliers make a big difference
Synptoms of diabetes
Increases urination
Fatigue
Glucose in urine
Thirst
Hyperthyroidism sympotoms
Goitre, bulging eyeballs, heat intolerance, increased sweating, high heart rate, high bp, hyperexcitability, abnormal brain function
How does pH decreas
CO2 comes from respiration
Disolves to carbonic acid
Bicarbonate
Role of electrical current in gel electrophoresis
Moves it and separates it by size
Describe carbon dating
Amount of radioactive carbon14 becomes fixed at death
A sample of bone or charcoal is analysed for the amount of carbon 14 left or the amount of the decayed product
Half life of 5730 years
Can get an accurate measure of quantitative how old
Advantages and disadvantages to mitochonfrial dna
Readily available, lots of it
Can’t track fathers
IMMUNITY
Macrophages enciunter non self
Engulf digest and present fragments
T cells are activated and sensitised
Increase in size and divide
Killer t cells go to the infection and attach to antigens and secrete chemicals
Helper Ts secrete cytokines
Cytokines attarct lymphocytes, intesify phagocytosis and promote killer ts
Memory t cells remember the pathogen for a faster and stronger response
Suppressor cells inhibit activity and slow the immune response
Parts of the cranium
Molars/premolars/teeth
Cranial capacity
Sagital crest
Zygomatic arches
Brow ridge
Dental arcade
Heavy mandible
Prognathism
Occipital bun
The spine for bipedalism
Lower back has wedge shaped and larger vertebrae
Smaller in the neck
Spine is angle at top and straight in lower back
Type of neuron are sensory neurons?
Uni and bi polar
Anything with a ganglion
Specific vs nonspecific
Triggered/always working
Active/passive
Speciation
Variation
Isolation
Struggle
Selection
Speciation
Talking about releasing factors
They are specific to hormone and have a cascading effect
Water soluble hormones
Secondary
Enzymes
Metabolic changes