AQA GCSE Combined Science Biology

Portage Biochemistry Module 1 Exam QUALIFIED EXAM QUESTIONS WITH ANSWERSDefinition of biochemistry - CORRECT ANSWERchemistry of life; how properties of organisms relate to their molecules describe archaea phyologeny - CORRECT ANSWERprokaryotes live in extreme environments (hot springs, acidic bogs, ocean floors) Describe ATP as a biomolecule - CORRECT ANSWERATP is a small biomolecule that is critical for energy production of cells 507 g/mol describe bacteria phyologeny - CORRECT ANSWERpro...

AQA GCSE Biology - Paper 1 EXAM QUESTIONS WITH CORRECT ANSWERS SOLVED. Adaptations of Exchange Surfaces - CORRECT ANSWER1) Large surface area - lots of substances can diffuse at once 2) Lots of blood vessels - to get stuff into and out of the blood quickly 3) Thin membrane - short distance for substances to diffuse 4) Often ventilated - air moves in & out Aerobic respiration - CORRECT ANSWERRespiration using oxygen Goes on constantly in plants and animals Most of the reactions happen in...

AQA GCSE Triple Science – Biology TEST QUESTIONS WITH CORRECT ANSWERS SOLVED. Define community - CORRECT ANSWERThe populations of different species living in a habitat Define habitat - CORRECT ANSWERThe place where an organism lives Define population - CORRECT ANSWERAll the organisms of one species living in a habitat Define the lock and key theory process - CORRECT ANSWERThe substrate enters the active site of the enzyme and becomes an enzyme/substrate complex. The products then leave t...

AQA GCSE Combined Science Biology - Paper 1 UPDATED QUESTIONS WITH CORRECT ANSWERS. A cell is 12µm wide. It is magnified by 450 times. How big is the image? - CORRECT ANSWER5400µm, or 5.4mm A photograph of a cell is 15mm long. It has a magnification of 1100x. What is the actual size? - CORRECT ANSWER0.0136mm, or 13.6µm Convert 38500µm into mm - CORRECT ANSWER38.5mm Define a benign tumour - CORRECT ANSWERA group of cancerous cells that will not spread Define a eukaryote - CORRECT ANSW...

AQA GCSE Combined Science Biology Paper 2 QUESTIONS WITH CORRECT SOLVED ANSWERS2 pros & 2 cons of GM crops - CORRECT ANSWER+increased yield=more food +already being grown, not problematic -worries on human health/safety/allergies -long term effects-unplanned problems that could could pass on to future generations A person who is heterozygous for brown eyes (Bb) has children with a person who has blue eyes (bb). What percentage of their children will have blue eyes? - CORRECT ANSWER50% Abio...