Combined Science(AQA GCSE) Exams Package Deal Bundle Latest Update!!

Movement - Answer An action by an organism causing a change of position or place. Respiration definition - Answer The chemical reactions in cells that break down nutrient molecules and release energy. Sensitivity - Answer The ability to detect and respond to changes in the environment...

prokaryotic cell - Answer cell lacking a nucleus and most other organelles Eukaryotic cell - Answer cell that has a nucleus and other membrane-bound organelles Subcellular structures - Answer Different parts of a cell Animal Cell structure - Answer Nucleus, cytoplasm, cell membr...

What is a cell? - Answer The basic unit of all living things What is a eukaryotic cell? - Answer A cell with a nucleus What is a prokaryotic cell? - Answer A cell without a nucleus Features of a eukaryotic cell? - Answer - Have a membrane bound nucleus - Large (10 - 100 µm) ...

Cell Wall - Answer strength and support Nucleus - Answer Controls the cell Cell Membrane - Answer Controls movement in and out of the cell Mitochondria - Answer Respiration Vacuole - Answer Cell Sap Chloroplasts - Answer Contains chlorophyll Ribosomes - Answer ...

Name the two types of cells - Answer Prokaryotic and Eukaryotic What is a prokaryotic cell? - Answer A cell without a nucleus Give an example of a prokaryote (Prokaryotic cell) - Answer Bacteria What is a eukaryotic cell? - Answer cell with a nucleus Give two examples of euka...

What is homeostasis? - Answer The process of maintaining a stable internal environment Why is homeostasis important? - Answer Because it is essential for the survival of cells What does the control system do? - Answer Keeps the conditions in your body steady What happens in the blo...

an object or group of objects - Answer system _______ energy is the total kinetic energy and potential energy of all particles that make up a system - Answer internal the idea that there is the same amount of energy befire and after it is transferred - Answer conservation of energy ...

What is a scalar quantity? - Answer One that has magnitude (size) only. What is a vector quantity? - Answer One that has magnitude (size) and direction. These are examples of scalar quantaties: - Answer Distance, speed, mass, energy. These are examples of vector quantaties: - Answe...

Plasma - Answer Transports dissolved substances around the body red blood cells - Answer Transports oxygen from lungs to body cells white blood cells - Answer Protects body against infection Ateries - Answer Carries blood away from the heart Veins - Answer Carries blood in...

pure substance - Answer single element, compound or substance not mixed with another substance physical processes - Answer mixtures can be separated by... simple distillation - Answer evaporating water and condensing it in a separate container fractional distillation - Answer ev...

What is the effect of adding NaOH to iron (III) (Fe³⁺)? Then adding ammonia solution? - Answer Adding NaOH: red/brown precipitate. Insoluble in excess. Adding ammonia solution: same as before. What is the effect of adding NaOH to zinc (Zn)? Then adding ammonia solution? - Answer Adding...

what is a rate of reaction? - Answer the speed of a reaction what is the equation for rate of reaction? - Answer quantity of reactant used up/time taken or quantity of product formed/time taken what unit do we normally use for time? - Answer seconds what unit do we normally use f...