BIOLOGY Paper 1 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.

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...

Biology Paper 1 Question And Answers Tested And Verified Outline two reasons why marketisation policies may produce inequality of educational achievement between social classes. 4 marks. - ANS Cream skimming (1) successful schools can attract high achievers, who are more likely to be middle class (1) Schools can establish their own catchment areas (1) middle class parents can afford to move into the catchment areas of better schools (1) Outline three reasons for gender differences in e...

The most restrictive taxon" and "the ability to breed only among themselves" reference - Answer-members of the same species. Which is the correct sequence for levels of biological organization occurring beyond the individual? - Answer-population - community - ecosystem - biosphere The smallest scale of biological organization is represented by each organelle. - Answer-False True or False? The first week when the lab kit will be required for use in the lab, is week 3 (or lesson 3). - ...

Cells are - Answer-characteristic of prokaryotic and eukaryotic organisms Prokaryotes are classified as belonging to two different domains. What are the domains? - Answer-bacteria and archaea Which of these provides evidence of the common ancestry of all life? - Answer-near universality of the genetic code Which of the following is/are true of natural selection? - Answer-It requires genetic variation, results in descent with modification and involves differential reproductive success ...

AQA AS LEVEL 2017 BIOLOGY PAPER 1

Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. • If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against...