w w w e tr .X m eP e ap .c rs om June 2003 GCE A AND AS LEVEL MARK SCHEME MAXIMUM MARK: 40 SYLLABUS/COMPONENT: 9700/01 BIOLOGY Paper 1 (Multiple Choice) Page 1 Mark Scheme A/AS LEVEL EXAMINATIONS – JUNE 2003 Syllabus 9700 Paper 1 Question Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Key D A C C A C D A B A B C B C D A D A C C Question Number 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Key D B B A C C B B C D A C C D B B D B B C
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Biology - Main Questions And Answers: Complete the table with a tick if the statement in the first column is true‚ for each process. Write a simple equation to show how ATP is synthesised from ADP: ADP + Pi ATP Give two ways in which the properties of ATP make it a suitable source of energy in biological processes: 1. Energy released in small/suitable amounts 2. Soluble 3. Involves a single/simple reaction Humans synthesise more than their body mass of ATP each day.
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with two body sections‚ four pairs of legs‚ and no antennae 1. Writing A Literary Essay • A guide focused on William Shakespeare’s “Othello” 2. EXAMPLE OF A LITERARY ESSAY TOPIC: “Othello’s downfall can be blamed on the manipulations of Iago. Othello was forced to commit murder because of Iago’s actions.” Discuss the truth of this statement and what it reveals about Othello and Iago’s characters in an essay of 300 – 350 words. (2 - 2½ pages) 3. STEP ONE: ANALYSIS OF THE TOPIC :• The topic usually
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Section 1 : Identifying the Genetic Material Griffith’s Experiments In 1928‚ Frederick Griffith‚ a bacteriologist‚ was trying to prepare a vaccine against pneumonia. A vaccine is a substance that is prepared from killed or weakened disease-causing agents‚ including certain bacteria. The vaccine is introduced into the body to protect the body against future infections by the disease-causing agent. Griffith discovered that harmless bacteria could turn virulent when mixed with bacteria that cause
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biology FOLIO BIOLOGY POLLUTION NIK ‘AINAA SYAKIRAH BT NIK GHAZALI 5 IBNU SINA INTRODUCTION Pollution is the introduction of contaminants into a natural environment that causes instability‚ disorder‚ harm or discomfort to theecosystem i.e. physical systems or living organisms. It can also be define as any undesirable changes in physical‚ chemical or biological characteristics of the natural environment‚ brought about when harmful substances or energy released by human activities. Pollution
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Echinoderm Echinoderm diversity Scientific classification Kingdom: Animalia Subkingdom: Eumetazoa Superphylum: Deuterostomia Phylum: Echinodermata Klein‚ 1734 Subphyla & Classes Homalozoa † Gill & Caster‚ 1960 Homostelea † Homoiostelea † Stylophora † Ctenocystoidea † Robison & Sprinkle‚ 1969 Crinozoa Crinoidea Paracrinoidea † Regnéll‚ 1945 Cystoidea † von Buch‚ 1846 Asterozoa Ophiuroidea Asteroidea Echinozoa Echinoidea Holothuroidea Ophiocistioidea † Helicoplacoidea †
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Destiny Extended Writing Project Essay People have long debated how destiny works‚ or if it even exists. While some believe that all things are an outcome of hard work‚ others would argue that every action is already decided for us. In Oedipus Rex‚ the main concept is that our destiny is predetermined‚ and nothing we do can change the outcome. This ides is introduced through the development of the plot in Oedipus Rex. In Outliers however‚ the main idea is that one cannot forge their own path through
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The extended marketing mix (7Ps) The marketing mix is the combination of marketing activities that an organisation engages in so as to best meet the needs of its targeted market. Traditionally the marketing mix consisted of just 4 Ps. For example‚ a motor vehicle manufacturer like Audi: * Produces products that are of the highest quality and fit for the needs of different groups of consumers‚ * Offers a range of cars at value for money prices‚ depending on the market segmented they
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Love Game Have you ever been an option to someone you considered your choice? Are you tired of acting like a fool to someone that really matters to you? Would you still allow yourself to be in this kind of situation? In life‚ we are expected to play our own game. There are always winners and losers‚ but sometimes there are also cheaters. A player is one concrete example of this certain type. Traditionally‚ a player is “a person who plays a game” (Merriam-Webster‚ 2012). However‚ the meaning of
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Biology Project Autumn Brown 3rd block Mrs. Stephens More than 2‚000 years ago‚ Aristotle began grouping plants and animals into various categories. Although he did not consider the idea that different organisms were related by descent‚ he devised a system that placed these organisms in a hierarchy. Through classification systems‚ scientist have found it easier to find answers to important questions. This way
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