Hydrolyse Study guides, Class notes & Summaries

AQA A-Level Biology Paper 1 Critical Questions 2023Describe the role of a ribosome in the production of a polypeptide. /3 - ANSWER 1. mRNA binds to ribosome; 2. Idea of TWO codons/binding sites; 3. tRNA with ANTICODONS binds; 4. (Catalyses) formation of PEPTIDE bond between AMINO ACIDS (held by tRNA molecules); 5. Moves along (mRNA to the next codon); Describe the structure of glycogen. /2 - ANSWER 1. Polysaccharide of α-glucose; OR polymer of α-glucose; 2. (Joined by) glycosidic bo...

AQA A-Level Biology Paper 1 1. mRNA binds to Describe the role of a ribosome in the production of a polypeptide. /3 ribosome; 2. Idea of TWO codons/binding sites; 3. tRNA with ANTICODONS binds; 4. (Catalyses) formation of PEPTIDE bond between AMINO ACIDS (held by tRNA molecules); 5. Moves along (mRNA to the next codon); Describe the structure of glycogen. /2 OR polymer of α-glucose; 2. (Joined by) glycosidic bonds OR Branched structure; 1. Polysaccharide of α-...

AQA AS BIOLOGY Paper 2 Thursday 25 May 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. • If you need extra space ...

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...

BIOLOGY 2020 PAPER 1 PAST PAPER EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ Q1 1.1 function of ATP hydrolase (2 marks) Correct Answer: - hydrolyse ATP into ADP and Pi -> releasing energy - the energy allows ions to move ions against their concentration gradient across the membrane. Q1 1.2 The movement of NA ions out allows the absorption of glucose into the lining of the ileum. Explain how (2 marks) Correct Answer: - causes a conc. gradient of ...

BTEC Applied Science Unit One Biology 128 Questions with Answers What is the function of the mitochondria? - CORRECT ANSWER cellular respiration What is the function of the ribosomes? - CORRECT ANSWER protein synthesis What is the function of the smooth endoplasmic reticulum? - CORRECT ANSWER Synthesis and transport of lipids and carbohydrates What is the function of the Golgi apparatus? - CORRECT ANSWER Modified and packaged proteins into vesicles for transport What is the functi...

sulfonamide inhibits correct answers dihydropteroate synthase cos it is PABA (p-aminobenzoic acid) analogue Trimethoprim inhibits ____ whats special bout the enzyme? correct answers dihydrofolate reductase --in both human and bacteria but trimethoprim is more sensitive to bacteria one (needs high concentration of drug to inhibit human one) 3 types of functions of selective toxicity correct answers diff in distribution--accummulate more in bacterial cell (tetracycline- bact cell has pu...

CONTENTS How to use this Lab Book – notes to teachers 9 - notes to students 12 - Practical and mathematical skills grid 13 Skills development requirements 14 Mathematical requirements & exemplifications 16 Glossary of terms 19 Suggested templates for skills development 21 (research, planning, concluding & evaluating) Data Tables 27 Significant figures 28 Uncertainties 29 Graphs/Bar Charts/Histograms 32 Biological drawings 41 Statistical tests 43 PART 1 AS and A-Level Investigati...

BTEC Applied Science Unit 1 Biology Exam 118 Questions with Answers Describe the function of the nucleolus - CORRECT ANSWER Produces ribosomes and RNA Describe the function of the cell wall - CORRECT ANSWER Provides rigidity and protection to the cell Describe the function of the chloroplasts - CORRECT ANSWER Site of photosynthesis as they contain chlorophyll Describe the function of the plasmodesmata - CORRECT ANSWER A channel through the cell wall the allows transport of materials ...

Martin Caon Examination Questions and Answers in Basic Anatomy and Physiology Third Edition Chapter 9: Gastrointestinal System 9.1 Anatomy and Function 1. Which type of cell produces hydrochloric acid? a. Zymogenic cells b. Parietal cells c. Chief cells d. Enteroendocrine cells Answer is B: The parietal cells of gastric glands produce hydrochloric acid. (Zymogenic cells are the same as chief cells, and they produce pepsinogen.) 2. What is the role of gastrin in the digestive ...