Alevel cells - Study guides, Revision notes & Summaries

2023 AQA Alevel BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged)|| newest 2024 Describe how oxygen in the air reaches capillaries surrounding alveoli in lungs ANSWERTrachea and bronchi and bronchioles; Down pressure gradient; Down diffusion gradient; Across alveolar epithelium; Across capillary endothelium/epithelium; Difference between species richness and index of diversity ANSWERSpecies richness measures only number of (different) species / does not measure number ...

AQA Alevel Chemistry Commercial Applications and Fuel cells

2023 AQA Alevel BIOLOGY 7402/3 Paper 3 Question Paper & Mark scheme (Merged)|| newest 2024 What type of theory can cell theory be described as? ANSWERA unifying concept What is a unifying concpet? ANSWERA concept that is universally accepted among the scientific community What are the three main ideas that Cell Theory states? ANSWER- All living organisms are made up of one or more cells -Cells are the basic functional unit - New cells are produced from pre-existing cells Describ...

AQA ALEVEL BIOLOGY;DIGESTION $ ABSORPTION EXAM 2024 What is amylase for - ANSWER-Hyrdolyses alternate glycosidic bonds of starch molecule to produce maltose Where is maltase produced? - ANSWER-(In the cell membrane of epithelial cells) Small intestine Maltose - ANSWER-glucose + glucose Where is maltase secreted? - ANSWER-Small intestine (In the epithelial cells of the small intestine) Lining of ileum Role of maltase - ANSWER-Hyrdolyses maltase into monosacc...

AQA ALEVEL BIOLOGY;DIGESTION $ ABSORPTION EXAM 2024 What is amylase for - ANSWER-Hyrdolyses alternate glycosidic bonds of starch molecule to produce maltose Where is maltase produced? - ANSWER-(In the cell membrane of epithelial cells) Small intestine Maltose - ANSWER-glucose + glucose Where is maltase secreted? - ANSWER-Small intestine (In the epithelial cells of the small intestine) Lining of ileum Role of maltase - ANSWER-Hyrdolyses maltase into monosacc...

AQA ALEVEL BIOLOGY;DIGESTION $ ABSORPTION EXAM 2024 What is amylase for - ANSWER-Hyrdolyses alternate glycosidic bonds of starch molecule to produce maltose Where is maltase produced? - ANSWER-(In the cell membrane of epithelial cells) Small intestine Maltose - ANSWER-glucose + glucose Where is maltase secreted? - ANSWER-Small intestine (In the epithelial cells of the small intestine) Lining of ileum Role of maltase - ANSWER-Hyrdolyses maltase into monosacc...

Unit 2 - Cells Cell Membrane

Unit 2 - Cells Diffusion

Unit 2 - Cells Co-transportation