Aqa respiration Study guides, Revision notes & Summaries

AQA Biology A-Level Paper 2 Exam Questions & Answers (Graded A+) AQA Biology A-Level Paper 2 Exam Questions & Answers (Graded A+) describe and explain the steps in the light dependent reaction of photosynthesis - ANSWER - 1. photoionisation: light reaches chlorophyll in PSII, which is absorbed by an electron, which becomes excited and moves to a higher energy level. 2. the electron passes to a carrier protein in the thylakoid membrane, and is passed down a series of carrier molecules call...

A2 AQA Biology Topic 5 Already Passed Glucose C6H12O6 - a single sugar which is produced in photosynthesis. ATP An activated nucleotide found in all living organisms, which is produced during respiration and acts as an energy carrier. ATP is produced during the light-dependent reaction of photosynthesis. metabolism the chemical processes that occur within a living organism in order to maintain life. Photosynthesis A complex metabolic pathway involving many intermediate reactions. Some e...

Respiration exam questions AQA A2 BIOLOGY -2023...

AQA GCSE Biology - Paper 1 Latest Test Exam Questions 2024. What does a nucleus do? - CORRECT ANSWER It contains genetic material and controls the activities of the cell What does cytoplasm do? - CORRECT ANSWER 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? - CORRECT ANSWER It holds the cell together and controls what goes in and out What do mitochondria do? - CORRECT AN...

AQA GCSE BIOLOGY - PAPER 2 2024 NEWEST ACTUAL EXAM 280 QUESTIONS AND GUARANTEED ANSWERS ALREADY GRADED A+. How does temperature affect the rate of decay? - ANSWER- 1. High temperatures denature enzymes and other proteins, killing the organisms responsible for decay 2. Low temperatures slow decay as the rate of reaction in the organisms decreases How does water affect the rate of decay? - ANSWER- Lack of water slows or prevents decay - water needed for decay organisms to digest their...

AQA A LEVEL BIOLOGY PAPER 1 MARKING SCHEME 2020. 100% CORRECT questions, answers, workings and explanations. Whatsapp +25479 093 7672 for assistance. Question Marking Guidance Mark Comments 01.1 1. (ATP to ADP + Pi ) Releases energy; 2. (energy) allows ions to be moved against a concentration gradient OR (energy) allows active transport of ions; 2 1. Reject ‘produces/makes/creates energy’. 2. For ‘ions’ accept Na+ or K+. 2. Do not accept if this movement is of glucose not ...

GCSE AQA Biology (9-1) 4.4.2 Respiration Graded A+ Respiration A chemical reaction that takes place in the mitochondria of all cells in all living things to provide them with energy Aerobic Respiration that requires oxygen, this gives out more energy than anaerobic respiration Anaerobic Respiration that does not require oxygen, this gives out LESS energy that aerobic respiration Enzymes Control chemical reactions inside cells Mitochondria Most of the reactions in aerobic respiratio...

AQA A Level Biology Topic 3 Exam || Questions & Answers (Graded A+) AQA A Level Biology Topic 3 Exam || Questions & Answers (Graded A+) The hydrostatic pressure falls from the arteriole end of the capillary to the venule end of the capillary. Explain why - ANSWER - Loss of water High blood pressure leads to an accumulation of tissue fluid. Explain how [3] - ANSWER - High blood pressure = high hydrostatic pressure; Increase outward pressure from (arterial) end of capillary; (So) more tis...

AQA BIOLOGY ESSAYS - PAST PAPER EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ The importance of movement in biological molecules and cells Correct Answer: Synaptic transmission Nerve Impulse Glucose control/ Homeostasis Transcription, Translation Regulation of transcription and translation Translocation, Movement of blood Photosynthesis Respiration Cell division- Mitosis, Meiosis Immunity How DNA is used by living organisms and it's importa...

AQA A Level Biology Paper 3 (synoptic) Test || All Questions & 100% Accurate Answers (Graded A+) AQA A Level Biology Paper 3 (synoptic) Test || All Questions & 100% Accurate Answers (Graded A+) What are the useful properties of water and why ? - ANSWER - 1) Water is a metabolite - in many metabolic reactions including condensation and hydrolysis 2) Water is a solvent - medium in which enzyme catalysed reactions take place (metabolic reactions ) and readily dissolves substances like inorgan...