As level biology a qp Study guides, Class notes & Summaries

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 nucleotide found in DNA to give two differences.

AQA A Level Biology Paper 3 2020 QP. Guppies are small fish. Female guppies are dull in colour. Male guppies can be bright or dull in colour. Scientists investigated the effect of female brain size on choosing a mate. They used laboratory-bred female guppies with large brains and with small brains. They set up a fish tank as shown in Figure 1. Figure 1 They observed each female for 10 minutes and recorded which male they were attracted towards. They repeated this with 45 large-brained fem...

ocr AS Level Biology A (H020/02) June2022 Question Paper

ocr AS Level Biology A (H020/01) May2022 Question Paper

AQA June 2018 QP - Paper 2 AQA Biology AS-level Structures A to E are parts of a plant cell. A Cell Wall B Chloroplast C Nucleus D Mitochondrion E Golgi apparatus Complete Table 1 by putting the correct letter, A, B, C, D or E in the box next to each statement. [3 marks] Tabl

ocr AS Level Biology A H020-02 QUESTION PAPER May2023.

CHAPTER 1: Introduction to Macroeconomics MULTIPLE CHOICE 1. A central topic of study in macroeconomics is ________, while a central topic of study in microeconomics is ________. a. the cosmos; particle physics b. the overall performance of an economy; an individual market c. an individual market; the overall performance of an economy d. the performance of international trade; the individual firm e. consumer behavior; firm behavior ANS: B DIF: Easy REF: 1.1 TOP: I. MSC: Remember...

EXDEXCEL AS LEVEL BIOLOGY A 2021Edexcel as level biology a 2021 paper 2 qp PAPER 2 QP

EDEXCEL AS LEVEL BIOLOGY A 2021 PAPER 2 QP