Cerrar
What are the Functions of the Mitochondria and Ribosomes?
Why are Electron microscopes used instead of light microscopes to magnify cells?
Outline 1 difference between a bacterial cell and a yeast cell.
How is the Goblet Cell Specialised?
What is a virus?
What is Diffusion?
How can Visking tubing be used as a model for a cell?
How are Root Hair Cells specialised?
What is the difference between muscular tissue and glandular tissue?
Why do multi-cellular organisms need transport systems whilst single-celled organisms do not?
Name the 4 stages of cell groupings from cells to organ systems.
In the digestive system, what does the epithelial tissue do?
Name where the enzymes:
Amylase
Protease
Lipase
Are secreted from in the digestive system.
What are Xylem and Phloem and what do they do?
What does the Epidermis do?
What is the equation for Photosynthesis?
Why is Chlorophyll green?
Name 3 limiting factors for Photosynthesis.
How might keeping a tomato plant in a greenhouse enable a gardener to maximize it's prodction?
What is the chemical formula of glucose and how do plants use it to make proteins?
What is starch and how is it stored in plants?
Name 5 factors which affect the distribution of organisms.
How do organisms compete with each other?
Name two ways in which you can use a quadrat to assess the amount of a species living in an area.
How would you choose the optimum sized quadrat with which to do your sampling?
What is a protein made up of?
How are proteins digested and used?
What is:
The Active Site
The Substrate
The Optimum Temperature?
What are the products of:
Amylase
Protease
Lipase?
The enzymes in the small intestine have an alkaline optimum PH. However the stomach is acidic. How does the digestive system manage this?
Why are enzymes used in Biological detergents?
Why are enzymes used to 'pre-digest' baby food?
What is the equation for Aerobic respiration?
What do muscles use to produce energy for contraction?
What is anaerobic respiration and what is it's equation?
What does Lactic Acid do?
What are the stages of Mitosis?
What are the stages of Meiosis?
Name 4 types of cell that can be formed from stem cells.
How could stem cells be used to replace damaged tissue in the future?
Where do people get their chromosomes from?
How can some businesses use your DNA to tell you if you could develop a disease later in life?
What did Mendel discover?
What happens when a dominant allele and a recessive allele are mixed together in a gene e.g. Bb.
What are the chromosome pairings that determine gender?
Define the following terms:
Genotype
Phenotype
Heterozygous
Homozygous
What are the 4 stages of a DNA molecule?
How is IVF used to ensure a child is born without Cystic Fibrosis?
How can some species be fossilized but others do not?
Name the 4 stages of Genetic speciation.
State 2 ways which can cause extinction.
