Hydrolyse - Studienführer, Klassennotizen & Zusammenfassungen

AQA A-level BIOLOGY 7402/2 Paper 2 Question Paper & Mark scheme June 2023 VERIFIED100%. Chemical digestion - -Hydrolyses large, insoluble molecules What is digestion - -Physical breakdown Chemical digestion Physical breakdown - --Breakdown of food into absorbable nutrients - By teeth - Stomach muscles - increases SA What is the importance of digestion? - -Hydrolyses large food molecules into smaller molecules Which can move across cell membrane And be absorbed into the blood Oe...

AQA A-level BIOLOGY 7402/2 Paper 2 Question Paper & Mark scheme June 2023 VERIFIED100%. Chemical digestion - -Hydrolyses large, insoluble molecules What is digestion - -Physical breakdown Chemical digestion Physical breakdown - --Breakdown of food into absorbable nutrients - By teeth - Stomach muscles - increases SA What is the importance of digestion? - -Hydrolyses large food molecules into smaller molecules Which can move across cell membrane And be absorbed into the blood Oe...

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-...

AS Biology Paper 7401/2 Mark scheme 7401 June 2016 Version: 1.0 Final PMT Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation process ensures that the mark scheme covers the students’ responses to quest...

AQA A-Level Biology. 3.2 – Cells questions and answers 100% guaranteed success. Structure of Nucleus. - correct answer. 1. Nuclear envelope: double membrane surrounding nucleus, outer membrane continuous with the (R)ER of the cell. 2. Nuclear pores: allow the passage of larger molecules, such as mRNA, out of the nucleus. 3. Nucleoplasm: granular, jelly-like material making up the bulk of the nucleus. 4. Chromosomes: protein-bound, linear DNA. 5. Nucleolus: small...

IBS-C and functional constipation (FC) may exist on a spectrum, whereby patients who experience severe abdominal pain and constipation are on one end (FC), and patients who experience constipation with no pain at all are on the other end (IBS-C). T/F - False Which of the following are ALL considered red flags in someone presenting with diagnosed or suspected IBS? - Age of onset > 50 years; family history of colorectal cancer/IBD/coeliac disease; rectal bleeding/anaemia; nocturnal waking ...

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...

AS Biology Exam Style questions and answers 2023 with complete solution When HIV infects a human cell, the following events occur. -A single-stranded length of HIV DNA is made -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. [3 marks] -complementary nucleotides/ base pairs ...

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 ...

Intro to Biochem: Module 3 & 4 Quizlet questions and answers A+ grade assured 2024/2025