A Level Biology

A-Level Biology - Digestion, A Level AQA Biology Digestion Questions And Answers What is Ingestion? The process of taking food into the digestive system. What is digestion? The breakdown of food in order to utilise nutrients. How can we break down food? Mechanically or Chemically What is Absorption? When the nutrients from food pass from the gut into the blood stream. What is Egestion? The removal of digested food. What is Peristalsis? The involuntary movement of muscle contracti...

A-level Biology BIODIVERSITY Questions With Complete Answers TOPIC: BIODIVERSITY TOPIC: BIODIVERSITY What is biodiversity? The variety of living organisms in an area. What are the three levels of biodiversity? 1)Habitat diversity 2)Species diversity 3)Genetic diversity What is habitat diversity? -A habitat is the area inhabited by a species. -Habitat diversity is the number of different habitats in an area. What is an example of habitat diversity? -A costal area could contain many...

A LEVEL BIOLOGY: 25 Mark essays With Complete Solutions The importance of shapes fitting together in cells and organisms *Enzyme properties and digestion *Antigens, antibodies, B cells & T cells *Structure of DNA *DNA replication *Transcription and translation *Restriction enzymes *Muscle contraction *Action potentials and synaptic transmission *Control of blood glucose concentration How bacteria can affect the lives of humans and other organisms *Pathogens *Resistance to anti...

A-level Biology Cells Questions With Complete Solutions. Name the main biological molecule in: The Cell Membrane The Cell Wall -Phospholipids -Murein Has stacked membranes arranged in parallel and contains DNA. Chloroplasts Is an organelle and is not surrounded by two membranes. Golgi Apparatus Human breast milk is produced and secreted by gland cells. These gland cells have adaptations that include many mitochondria and many Golgi vesicles. The milk contains a high concentration of ...

2023 QP * A-level BIOLOGY Paper 3

2023 QP * A-level BIOLOGY Paper 1

2023 QP * A-level BIOLOGY Paper 1

2023 QP * A-level BIOLOGY Paper 2

2023 MS * A-level BIOLOGY 7402/2 Paper 2

2023 MS * A-level BIOLOGY 7402/3 Paper 3