science revision cards

cells which have individual jobs in each part of the body/plant.

• Nucleus
• Cytoplasm
• Cell Membrance
• Mitochondria
• Ribosomes

proteins are made by ribosomes

plant cells have evrything animal cells have +

a cellulose cell wall, permanent vacuole and cholrophyll.

diffusion in cells is where an oxygen molecule goes through a cell so it can respire.

enzymes are a biological catalyst used for breaking down protein in our bodies.

chromosomes are in Dna which makes up me and you, they from both your parents and there are 23 pairs of them.

• stomach
• mouth
• intestines

osmosis is the movement of water molecules across a partially permeable membrane from a region of higher water concentration to an area of lower concentration.

diffusion is the passive movement  from an area of higher cocentration to an area of lower concentration.

the best temperature for enzymes is 37c.

Ph7 unless it's pepsin which is PH2.