Ib biology year 1 - Study guides, Class notes & Summaries

A-level PSYCHOLOGY Paper 3 Issues and options in psychology Time allowed: 2 hours Materials For this paper you must have: • an AQA 16-page Answer Book. You may use a calculator. Instructions • Use black ink or black ball-point pen. • Write the information required on the front of your answer book. The Paper Reference is 7182/3. • In Section A, you should answer all questions. • In Section B, choose one topic. Answer all questions on the topic you choose. • In Section...

AQA AS BIOLOGY 7401/1 Paper 1 Question Paper June 2022. Describe the mechanism for the absorption of amino acids in the ileum. [4 marks] Turn over for the next question 8 S - The Marketplace for Revision Notes & Study Guides 4 *04* IB/M/Jun22/7401/1 Do not write outside the 0 2 box . 1 Give the two types of molecule from which a ribosome is made. [2 marks] 1 2 0 2 . 2 Complete Table 2 to give four structural differences between a DNA molecule and an mRNA molecule. [4 marks] Ta...

AQA AS BIOLOGY 7401/1 Paper 1 June 2022 Question Paper. Describe the mechanism for the absorption of amino acids in the ileum. Give the two types of molecule from which a ribosome is made. The resolution of an image obtained using an electron microscope is higher than the resolution of an image obtained using an optical microscope. Explain why. [1 mark] Question 3 continues on the next page S - The Marketplace for Revision Notes & Study Guides Downloaded by: tamimi | Distribution of th...

AQA GCSE BIOLOGY 8461/1F Paper 1 Foundation Tier Question Paper + Mark scheme [MERGED] June 2022 *JUNF01* IB/M/Jun22/E18 8461/1F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 TOTAL Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questio...

GCSE COMBINED SCIENCE: TRILOGY 8464/B/2F Biology Paper 2F Version: 1.0 Final *JUN238464B2F01* IB/M/Jun23/E6 8464/B/2F For Examiner’s Use Question Mark 1 2 3 4 5 6 7 TOTAL Friday 9 June 2023 Afternoon Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer a...

AQA GCSE BIOLOGY 8461/2H Paper 2 Higher Tier *236G84612H/MS* Version: 1.0 Final *jun2384612H01* IB/M/Jun23/E21 8461/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Friday 9 June 2023 Afternoon Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. ...

Enzyme - AnsGlobular proteins that act as catalysts of chemical reactions Active Site - AnsRegion on the surface of an enzyme to which substrates bind and which catalyzes a chemical reaction involving substrates Enzyme-substrate specificity - AnsThe active sites of enzymes are specific to their substrates because it has a very specific shape, which means enzymes can catalyze only certain reactions as only a small number of substrates fit in the active site Effect of temperature on enzym...

GCSE BIOLOGY Foundation Tier Paper 1F JUNE 2022 Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. • If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number aga...

Cell Theory - ANSWERall living things are made of cells cell is the smallest unit of life cells only come from other cells cell - ANSWERthe smallest living unit of an organism organelle - ANSWERsmall, membrane-bound parts of a cell that help it function mitosis - ANSWERgenetically identical diploid cell meiosis - ANSWERhaploid gametes homeostasis - ANSWERmaintaining a cells optimum conditions reproduction - ANSWERsexual or asexual excretion - ANSWERwaste materials out of t...

AQA GCSE BIOLOGY PAPER 2H HIGHER TIER VERSION 1 GCSE COMBINED SCIENCE: TRILOGY Higher Tier Biology Paper 2H Monday 1 June 2020 Afternoon Time allowed: 1 hour 15 minutes Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. • If...