Aqa biology unit 2 Study guides, Revision notes & Summaries

a full summary of everything you need to know for AQA A level biology unit 2, from a variety of sources including textbooks, class notes and above all the exact AQA specification and past mark schemes to give you the information you need to get the marks.

AS Applied Science AQA Unit 2 Biology Key Terms

AS AQA Biology Unit 2 EXAM QUESTIONS AND ANSWERS What is the difference between interspecific variation and intraspecific variation? - ANSInterspecific = variation that exsists between different species. E.g. the difference between horses and ducks. Intraspecific = The differences that occur within a species e.g. the length of giraffes necks Explain the two factors that cause variation - ANS1) genetic = individuals within a species can have different versions of those genes called allele...

AQA AS Level Biology Paper 1 June 2018 latest update 2024 GRADED A+ Name the blood vessels that carry blood to the heart muscle. [1 mark] - CORRECT ANSWER-coronary arteries What is a monomer? (1 mark) - CORRECT ANSWER-the smaller/ repeating unit from which larger molecules/polymers are made Following digestion and absorption of food, the undigested remains are processed to form faces in the parts of the intestine below the ileum. The faeces of people with constipation are dry and hard....

AQA A-Level Biology (new spec) Unit 1A - Biological Molecules Latest 2023 Graded A+ Monomers Small basic molecular units Examples of monomers monosaccharides, amino acids and nucleotides Polymers Large complex molecules composed of long chains of monomers joined together Examples of polymers Carbohydrates, proteins and nucleic acids What type of sugar is glucose? Hexose How many types of glucose are there? 2 What are the names of the types of glucose? Alpha-glucose and beta-glucose

AQA Knowledge test ANSWERS Unit 2 Biology B2,1_Cells and Simple cell transport B2,1,1 Cells and cell structure Which are the main parts of animal cells? Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes Which parts of a cell are found in plant cells but not animal cells?

AQA A-Level Biology Questions with Answers | Graded A Glucose is absorbed from the lumen of the small intestine into epithelial cells. Explain how the transport of sodium ions is involved in the absorption of glucose by epithelial cells. (5 marks) [Unit 1, June 16] - Correct Answer ️️ -1. Na+ ions leave epithelial cell and enter blood; 2. (Transport out is by) active transport / pump / via carrier protein using ATP; 3. So, Na+ conc. in cell is lower than in lumen (of gut); 4. Sodium/N...

AQA A – LEVEL BIOLOGY PAPER 2 AND PAPER 3 2020 QUESTION PAPER 2020 What are monomers? - CORRECT ANSWER-The smaller units from which larger molecules are made What are polymers? - CORRECT ANSWER-Molecules made from a large number of monomers joined together What are examples of monomers? - CORRECT ANSWER-Monosaccharides, amino acids and nucleotides What happens in a condensation reaction? - CORRECT ANSWER-Two molecules are joined together with the formation of a chemical bond, it invol...

AQA A-Level Biology, Chapter 10, Biodiversity Questions and Answers Rated A+ What is classification? The organisation of living organisms into groups What is a species? The basic unit of classification, a group of organisms that have similar characteristics and are capable of breeding to produce fertile offspring What is the binomial naming system? Each species is identified by 2 names, the genus (generic name) and species (specific name) How are the binomial names written? In italics...