◇Science-Biology◇ Flashcards
What foods do we need?
Vitamins, minerals, protein, carbohydrates, fats, fiber and water
What is MRS GREN
Movement, Reproduction, Sensitivity, Growth, Respiration, Excretion and Nutrition
What is Sensitivity?
Organisms detecting and responding to changes in their environment
What are the 12 parts of a microscope?
Eyepiece Tube or Body tube, Nose piece, objective lenses, stage clips, diaphragm, illuminator, Eyepiece Lens, Arm, Stage, Course Focus, Fine Focus and Base
What are the parts of a plant cell?
Mitochondria, Vacuole, Nucleus and Cell Wall
What is photosynthesis?
To make food using light energy from the sun
What does a Cellulose Cell Wall do?
It gives structure and Strength
What does a nucleus do?
It stores Genetic Information and controls activities of the cell
What does a ribosome do?
Makes protein
What does a membrane do?
Allows selective passage gases, water and minerals
What does Mitochondria do?
Releases energy during respiration
What does a Vacuole do?
Helps sequester waste products
What does a Chloroplast do?
Synthesise food by the process of photosynthesis
What does a cytoplasm do?
Holds the cell in place
How do you calculate Total Magnification?
objective lens x 10
