Bioloigy Flashcards
What are the steps of selective breeding ?
- decide which characteristics are important
- choose parents that show these characteristics
- select the best offspring from parents to breed the next generation
- repeat the process continuously
Examples of selective breeding …
Wheat,dairy cattle and cattle breeds
Selective breeding defo -
The process of humans using animals and plants to breed and develop particular phenotype traits
Genetic engineering examples …
Banana vaccine,flame savr tomato,venomous cabbage,aqaua advantagesalmon, glo fish, spider goat ,golden rice,super spuds
What is insulin used for ?
To control blood sugar levels of people with diabetes
What is the structure of an animal cell
Nucleus Cell membrane Cytoplasm Ribosomes Mitochondria
What is the structure of a plant cell
Cell wall Chloroplasts Mitochondria Ribosomes Vacuole Cytoplasm
What are the differences between animal and plant cells
Vacuole -plant cell
Cell wall
Chloroplasts
What is the structure of a bacteria cell
Cell membrane Cytoplasm Ribosomes Cell wall Circular strand of dna Plasmid
What is meant by the process of differention
The process by which a cell changes to become specialised at its job
Diffusion
When a substance moves from an area of high concentration to an area of low concentration
How does a vaccine make you amine from disease
Injected with an antibody of the disease this trains white blood cells to defend it
How are stem cells useful
They help treat Parkinson’s disease
- bone and spinal injury
- organ failure
