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Combined Science Higher Biology GCSE 9-1 AQA Exam Questions and Answers 100% Pass What is a cell? - Answer️️ -The basic unit of all living things What is a eukaryotic cell? - Answer️️ -A cell with a nucleus What is a prokaryotic cell? - Answer️️ -A cell without a nucleus Features of a eukaryotic cell? - Answer️️ -- Have a membrane bound nucleus - Large (10 - 100 μm) - Multi cellular - Complex Features of a prokaryotic cell? - Answer️️ -- Lacks a nucleus - Small (0....

AQA GCSE Biology Paper 2 Questions and Answers 100% Pass What is homeostasis? - Answer️️ -The maintenance of a constant internal environment. What is a stimulus? - Answer️️ -A change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. What do the receptors do? - Answer️️ -Detect the stimulus or change in environment. What happens after the receptors? - Answer️️ -Receptors send messages to the CNS via the sensory ...

AQA GCSE Biology B1 Exam Questions and Answers What are cells? - Answer️️ -The building blocks of organisms Define eukaryotic cell - Answer️️ -Cells that have a true nucleus Define prokaryotic cell - Answer️️ -Cells that do not have a true nucleus What is in an animal cell? - Answer️️ -Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes What is in a plant cell? - Answer️️ -Same as animal plus: vacuole, chloroplasts, chlorophyll, cell wall What is in a yeast ce...

All of AQA GCSE Biology (9-1) - Paper 1 Questions and Answers What are the two types of microscopes? - Answer️️ -Light Microscope Electron Microscope What is the magnifying power of a light microscope? - Answer️️ -x 2,000 What is the magnifying power of an electron microscope? - Answer️️ -x 2,000,000 What is the resolving power? - Answer️️ -The ability to distinguish between two separate points What is the resolving power of light microscopes? - Answer️️ -200 nm What...

Foundation AQA Biology Paper 1 Questions and Answers What are the structures of an animal cell? - Answer️️ -Nucleus, cytoplasm, cell membrane, mitochondria and ribosomes. What are the structures of a plant cell? - Answer️️ -All structures from animal cells and cell wall, permanent vacuole and chloroplasts. What does the nucleus do? - Answer️️ -Stores DNA and directs all cellular activities. What is the cytoplasm do? - Answer️️ -Where most chemical reactions take place. Wh...

GCSE Biology – Organisation Exam Questions and Answers Cells - Answer️️ -The basic building blocks of living things Tissues - Answer️️ -A group of cells with similar structure and function Organs - Answer️️ -Groups of tissues performing particular functions Lock and key - Answer️️ -Theory as to how enzymes work Digestion breaks down - Answer️️ -Large insoluble molecules into smaller soluble ones Active site - Answer️️ -The part of an enzyme the substrate binds t...

AQA GCSE Biology paper 1 Exam Questions and Answers 100% Correct Magnification equation - Answer️️ -Magnification= image size/actual object size Light microscope- how many um in 1 mm - Answer️️ -1000 um light microscope- how many nm in 1 um - Answer️️ -1000 nm Light microscope- why can we see the nucleus and cell wall but not the mitochondria - Answer️️ -Too small and not stained light microscope- how can we see smaller parts of cells - Answer️️ -An electron microscop...

AQA GCSE Biology - Paper 1 Exam Questions and Answers What does a nucleus do? - Answer️️ -It contains genetic material and controls the activities of the cell What does cytoplasm do? - Answer️️ -It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - Answer️️ -It holds the cell together and controls what goes in and out What do mitochondria do? - Answer️️ -These are w...

AQA GCSE Triple Science – Biology Exam Questions and Answers What are eukaryotic cells? - Answer️️ -Cells that are more complex and have a nucleus (animal and plant cells) What are prokaryotic cells? - Answer️️ -Cells that are smaller and simpler, and don't have a nucleus but still have genetic information (bacteria) What are eukaryotes? - Answer️️ -Organisms made of eukaryotic cells What is a prokaryote? - Answer️️ -A prokaryotic cell (it's a single celled organism) ...