AQA Biology Essays – Past Paper Questions and Answers – 100% Solved
Carbon dioxide may affect organisms directly or indirectly. Describe and explain these effects. -
✔✔✔-Photosynthesis - Limiting factor
Heart rate- Chemoreceptors
Haemoglobin (affinity for O2)
Role of co2 in global warming- the effect of temperature on enzymes.
DNA and the transfer of information - ✔✔✔-Mitosis
Meiosis
Transcription
Translation
DNA technology
Natural selection
Speciation
Inheritance
Energy transfers which take place inside living organisms - ✔✔✔-Photosynthesis
Respiration
Translocation
Muscle contraction
Nerves
How bacteria affects the lives of living organisms - ✔✔✔-Nutrient cycles- Importance for plant
growth
DNA technology- Bacterial enzymes and the use of bacteria as a host cell.
Immunity - Pathogens- illness, passive immunity
Eutrophication
, AQA Biology Essays – Past Paper Questions and Answers – 100% Solved
How diffusion is used in living organisms. - ✔✔✔-Synaptic transmission
Action potential
Photosythesis, Respiration
Mass Transport - Phloem, tissue fluid, haemoglobin
Animal exchange- Humans, Fish, Insects
Gene expression - Transcriptional factors - Oestrogen, sIRNA.
How DNA is used by living organisms and it's importance - ✔✔✔-In Vivo
In Vitro
Genetic screening
Genetic fingerprinting
Transcription
Translation
DNA replication
Properties of DNA
Inheritance
Natural selection
Speciation
Cell divison - Mitosis and Meiosis
How do molecules move within and between an ecosystem - ✔✔✔-Cycles
Photosynthesis
Respiration
Digestion
Eutrophication
ATP
Carbon dioxide may affect organisms directly or indirectly. Describe and explain these effects. -
✔✔✔-Photosynthesis - Limiting factor
Heart rate- Chemoreceptors
Haemoglobin (affinity for O2)
Role of co2 in global warming- the effect of temperature on enzymes.
DNA and the transfer of information - ✔✔✔-Mitosis
Meiosis
Transcription
Translation
DNA technology
Natural selection
Speciation
Inheritance
Energy transfers which take place inside living organisms - ✔✔✔-Photosynthesis
Respiration
Translocation
Muscle contraction
Nerves
How bacteria affects the lives of living organisms - ✔✔✔-Nutrient cycles- Importance for plant
growth
DNA technology- Bacterial enzymes and the use of bacteria as a host cell.
Immunity - Pathogens- illness, passive immunity
Eutrophication
, AQA Biology Essays – Past Paper Questions and Answers – 100% Solved
How diffusion is used in living organisms. - ✔✔✔-Synaptic transmission
Action potential
Photosythesis, Respiration
Mass Transport - Phloem, tissue fluid, haemoglobin
Animal exchange- Humans, Fish, Insects
Gene expression - Transcriptional factors - Oestrogen, sIRNA.
How DNA is used by living organisms and it's importance - ✔✔✔-In Vivo
In Vitro
Genetic screening
Genetic fingerprinting
Transcription
Translation
DNA replication
Properties of DNA
Inheritance
Natural selection
Speciation
Cell divison - Mitosis and Meiosis
How do molecules move within and between an ecosystem - ✔✔✔-Cycles
Photosynthesis
Respiration
Digestion
Eutrophication
ATP
