Biology > AQA > AQA_GCSE Trilogy Biology 1H_Mark Scheme 2022 | Practice Paper 1 Higher (All)

AQA_GCSE Trilogy Biology 1H_Mark Scheme 2022 | Practice Paper 1 Higher

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AQA_GCSE Trilogy Biology 1H_Mark Scheme 2022 | Practice Paper 1 Higher - - - GCSE COMBINED SCIENCE BIOLOGY MARK SCHEME Practice Paper 1 Higher - - - 1 (a) mitosis 1 (b) 3 1 (c) different... iation 1 (d) cell membrane 1 Cytoplasm 1 (e) (stem cells from embryos) can become more types of cell 1 allow converse allow (stem cells from embryos) are pluripotent (f) less risk of rejection of umbilical cord stem cells 1 (g) any one from: 1 • could cause cancer • could transfer viruses (owtte) (h) any one from: 1 • embryos are created (for this purpose) • embryos are destroyed • the embryos do not develop into a foetus / child ignore religious objections [9 marks] 2 (a) biuret 1 (b) purple 1 (c) 1:1.6 1 (d) provides amino acids to make new muscle 1 (e) C 1 lowest sugar (content) 1 [6 marks] GCSE COMBINED SCIENCE: BIOLOGY MARK SCHEME Practice Paper 1 Higher Maximum marks: 70 View detailed guidance on the conclusions you can draw from your students' performance in these papers on the MERiT welcome page. Understand how your students compare with others and target revision effectively by entering marks into MERiT. This document is licensed to Alperton Community School - MB223194Page 2 3 (a) or 1 19.1 (cm3/hour) allow an answer correctly calculated using only two correct values 1 (b) a ring around 14.2 allow clear indication of correct result 1 (c) any one from: • scale / value was misread ignore human error ignore references to counting bubbles or time allow measurement error - - [Show More]

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