Erstellt von Lucy Frances
vor mehr als 7 Jahre
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High blood pressure can lead to an accumulation of tissue fluid. Explain how
Describe how bacteria are destroyed by pathogens
Describe and explain the mechanism that causes forced expiration
Describe the appearance and behaviour of chromosomes during mitosis
Compare and contrast the processes by which water and inorganic ions enter cells
Give two properties of water that are important in the cytoplasm of cells
Cells lining the ileum of mammals absorb the monosaccharide glucose by co-transport with sodium ions. Explain how
Homologous chromosomes carry the same genes but are not genetically identical. Explain why
Explain why meiosis is important in sexual reproduction
Explain the advantage of peptidases being secreted in an inactive form
Amylase is not secreted in an inactive form. Explain why this is not a disadvantage
Describe the reaction catalysed by a peptidase enzyme
Explain how water enters a bacterial cell
Explain -(i) The shape of the curve at 55C after 20 minutes
-(ii) Why the curves for 27C and 37C level off that the same value
Describe how the Golgi apparatus is involved in the secretion of enzymes
Describe how two amino acids differ from one another
Give structural differences between mRNA and tRNA
Describe how phospholipids are arranged in a plasma membrane
Describe and explain the processes that occur during meiosis that increase genetic variation
When a vaccine is given to a person it leads to the production of antibodies against a disease causing organism. Describe how
How do mutations lead to non-functional proteins?
Describe the difference between passive and active immunity
Explain how the structures of the walls of arteries and arterioles are related to their function
Compare and contrast the structure of starch and cellulose
When comparing variation it is often considered more useful to compare standard deviations rather than ranges. Explain why