Hydrolyse Study guides, Class notes & Summaries

Biology AQA AS level Biology Paper 1(questions &answers • The human cell then makes a complementary strand to the HIV DNA. The complementary strand is made in the same way as a new complementary strand is made during semi-conservative replication of human DNA. Describe how the complementary strand of HIV DNA is made. - CORRECT ANSWER-- there are complementary nucleotides/bases pair - DNA polymerase used - Nucleotides join together (to form new strand)/phosphodiester bonds form; Con...

AQA Biology; Immunity UPDATED VERSION. What is an antigen? - ANSWER.Molecules, usually proteins, that are on the cell-surface membrane of pathogens that trigger an immune response What is a pathogen? - ANSWER.A disease causing microorganisms What are the 4 main stages of the immune response? - ANSWER.Phagocytosis T-Cells B-Cells Antibody production What happens during phagocytosis? - ANSWER.Chemoattractants from the pathogen attracts the phagocyte, the phagocyte moves to the pathoge...

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...

Edexcel A level biology B Biochemistry Questions With Complete Answers What are carbohydrates made out of? carbon, hydrogen and oxygen What is a monosaccharide (with examples of 3)? Carbohydrates with a single sugar unit, such a glucose, fructose and ribose What is a disaccharide (with 3 examples)? A carbohydrate with two sugar units, including maltose, sucrose or lactose. What is a polysaccharide (with three examples)? A long chain of sugars that has been made through condensation pol...

S - The Marketplace to Buy and Sell your Study Material Downloaded by: BetterAcademics | Distribution of this document is illegal AQA A LEVEL BIOLOGY Paper 3 MS 2021 S - The Marketplace to Buy and Sell your Study Material Downloaded by: BetterAcademics | Distribution of this document is illegal S - The Marketplace to Buy and Sell your Study Material MARK SCHEME – A-LEVEL BIOLOGY – 7402/3 – JUNE 2021 Downloaded by: BetterAcademics | Distribution of this document is illegal A-...

BTEC Applied Science Unit 1 Chemistry Exam 271 Questions with Answers How many electrons can an s subshell hold? - CORRECT ANSWER 2 How many electrons can a p subshell hold? - CORRECT ANSWER 6 How many electrons can a d subshell hold? - CORRECT ANSWER 10 Which subshells are available in the first energy level? - CORRECT ANSWER s Which subshells are available in the second energy level? - CORRECT ANSWER s and p Which subshells are available in the third energy level? - CORRECT...

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...

what is passive immunity and how is it produced? - ANSWER produced by the introduction of antibodies into individuals from an outside source. immunity is acquired immediately. no contact with pathogen/s needed. short term immunity: antibodies aren't replaced when broken down, memory cells not formed. e.g. anti-venom what is active immunity and how is it produced? - ANSWER produced by stimulating the production of antibodies by the individuals own immune system. contact with pathogen/s...

AQA BIOLOGY PAPER 2(2023 correct answers) a technician investigated the effect fo temperature on the rate of an enzyme-controlled reaction. At each temperature, he started the reaction using the same concentration of substrate. Give three other factors the technician would have controlled. 1 mark - CORRECT ANSWER-pH enzyme concentration volume of substrate Explain the difference in the initial rate of reaction at 60 degrees and 37 degrees. 2 marks - CORRECT ANSWER-at 60 degrees ...

AQA A LEVEL BIOLOGY Paper 3 MS 2021 S - The Marketplace to Buy and Sell your Study Material Downloaded by: BetterAcademics | Distribution of this document is illegal S - The Marketplace to Buy and Sell your Study Material MARK SCHEME – A-LEVEL BIOLOGY – 7402/3 – JUNE 2021 Downloaded by: BetterAcademics | Distribution of this document is illegal A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2021 Version: 1.0 Final 2 S - The Marketplace to Buy and Sell your Study Materia...