Aqa as biology paper 2 qp - Study guides, Class notes & Summaries

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AQA AS BIOLOGY Paper 2 Friday 22 May 2020 QP

June 2017 QP (v1) Paper 1 AQA Biology AS-level. 0 1 Figure 1 shows part of a DNA molecule 0 1 . 1 How many nucleotides are shown in Figure 1? [1 mark] 0 1 . 2 Name the type of bond labelled X in Figure 1 0 1 . 3 The enzymes DNA helicase and DNA polymerase are involved in DNA replication. Describe the function of each of these enzymes. [2 marks] DNA helicase DNA polymerase 0 1 . 4 Adenosine triphosphate (ATP) is a nucleotide derivative. Contrast the structures of ATP and a nucleoti...

AQA AS BIOLOGY 7401/2 PAPER 2 QUESTION PAPER AND MARK SCHEME JUNE 2022 (MERGED). What is a gene? [1 mark] 0 1 . 2 Describe how the production of messenger RNA (mRNA) in a eukaryote cell is different from the production of mRNA in a prokaryote cell. Scientists produced a short, single-stranded, artificial nucleic acid, called PNA. The PNA binds to a small section of DNA. The scientists introduced PNA into cells and discovered that these cells produced less mRNA than cells that did not conta...

This is the official question paper

This is the official question paper

AQA AS BIOLOGY Paper 2 QP 2021