Biology paper 1 GCSE AQA (Triple) Exam Questions and Answers 100% Correct

Biology paper 1 GCSE AQA (Triple) Exam Questions and Answers 100% Correct Differentiation - Answer️️ -Process by which a cell changes to become specialised for its job eukaryotic cells - Answer️️ -complex and includes all animal and plant cells prokaryotic cells - Answer️️ -Smaller and simple, single-celled organism nucleus - Answer️️ -contains genetic material that controls the activties of the cell mitochondria - Answer️️ -where the reactions for aerobic respiration takes place cytoplasm - Answer️️ -gel-like substance where most of the chemical reactions happen contains enzymes that control these chemical reactions cell membrance - Answer️️ -holds the cell together and controls what goes in and out of the cell ribosomes - Answer️️ -where proteins are made in the cell Rigid cell wall - Answer️️ -made of cellulose to support the cell and strengthen it permanent vacuole - Answer️️ -Contains cell sap, a weak solution of sugar and salts chloroplasts - Answer️️ -Where photosynthesis occurs, which makes food for the plants. Contains a green substance called chlorophyll which absorbs the light needed for photosynthesis bacteria are... - Answer️️ -prokaryotes Plasmids - Answer️️ -small rings of DNA Light microscopes - Answer️️ -Uses light and lenses to form an image of a specimen and magnify Lets us see large subcellular structures like nuclei Electron microscope - Answer️️ -uses electrons instead of light to form an image Higher magnification than light microscopes Magnification - Answer️️ -Image size/real size Fine adjustment knob (on a light microscope) - Answer️️ -Adjusts focus Coarse adjustment knob - Answer️️ -Moves the stage up to just below the objective lens sperm cells - Answer️️ -specialised for reproduction nerve cells - Answer️️ -specialised for rapid signaling muscle cells - Answer️️ -Specialised for contraction root hair cells - Answer️️ -specialised for absorbing water and minerals embryonic stem cells - Answer️️ -Can turn into ANY type of cell can be used to replace faulty cells in old people chromosomes - Answer️️ -contain genetic material number of chromosomes - Answer️️ -23 pairs cell cycle - Answer️️ -makes cells for growth, development and repair mitosis - Answer️️ -to grow or replace cells that have been damaged binary fission - Answer️️ -when the cell splits in two in prokaryotic