74012 Study guides, Class notes & Summaries

Endopeptidases and exopeptidases are involved in the hydrolysis of proteins. Name the other type of enzyme required for the complete hydrolysis of proteins to amino acids. [1 mark] 0 1 . 2 Suggest and explain why the combined actions of endopeptidases and exopeptidases are more efficient than exopeptidases on their own. [2 marks] 3 *03* Turn over ► IB/M/Jun16/E4 Do not write outside the box 0 1 . 3 Figure 1 shows the co-transport mechanism for the absorption of amino acids into ...

2023 AQA AS BIOLOGY PAPER 2 QUESTION PAPER AND MARK SCHEME 74012 BUNDLE

aqa AS BIOLOGY (7401/2) Paper 2 Mark scheme for June 2023 Version: 1.0 Final

AQA AS BIOLOGY 74012 PAPER 2 QUESTION PAPER AND MARK SCHEME [WELL VERIFIED ANSWERS] GRADED A+ Name two biological molecules that can be coded for by a gene. - ANS---rRNA; (Pre) mRNA; tRNA; Use the data in Table 1 to suggest how the structure of rough endoplasmic reticulum is different from the structure of smooth endoplasmic reticulum and how this is related to their functions. - ANS---1. Less phospholipids in rough 2. (More protein/glycoprotein/ribosomes) Rough - production/...

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. 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 pe...