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Cambridge IGCSE Biology - 0610 - Supplement Paper 4 2017 Summer Zone 1
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Topic: CH4 - BIOLOGICAL MOLECULES
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Theory
CH4 - BIOLOGICAL MOLECULES
A protease is added to a suspension of egg protein in a test-tube and kept at 37°C. After 8 minutes, the protein changes from cloudy to transparent. ...
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1
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CH4 - BIOLOGICAL MOLECULES
Which row correctly identifies the chemical elements found in proteins?[Table_1][Table_1]:| | carbon | hydrogen | oxygen | nitrogen ||-------|--...
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CH4 - BIOLOGICAL MOLECULES
Which solutions are used for testing for protein, reducing sugar and starch?[Table_1]
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CH4 - BIOLOGICAL MOLECULES
Which nutrient produces a purple colour when mixed with biuret solution? A. fat B. protein C. reducing sugar D. starch
Winter
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CH4 - BIOLOGICAL MOLECULES
Which row correctly identifies the chemical elements found in proteins?[Table_1]Table Key:✓ = present✗ = absent
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CH4 - BIOLOGICAL MOLECULES
Nutrients are made up of smaller basic units. Nutrients can be identified by food tests. Which nutrient is a protein?[Table_1: nutrient | smaller basi...
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CH4 - BIOLOGICAL MOLECULES
Nutrients are made up of smaller basic units. Nutrients can be identified by food tests.Which nutrient is a protein?nutrient | smaller basic units | f...
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CH4 - BIOLOGICAL MOLECULES
Small molecules are used as the basic units in the synthesis of large food molecules.Which statement is correct?A Amino acids are basic units of carbo...
Winter
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CH4 - BIOLOGICAL MOLECULES
A protease is added to a suspension of egg protein in a test-tube and kept at 37°C. After 8 minutes, the protein changes from cloudy to transparent. ...
Summer
2
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CH4 - BIOLOGICAL MOLECULES
Which solutions are used for testing for protein, reducing sugar and starch? [Table_1] Table: | | test for protein | test for reducing sugar | te...
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MCQ
CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS
Which characteristic do all living organisms show?
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CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM
The diagram shows some animal cells, as seen under the microscope. What will be present at X?
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CH1 - CHARACTERISTICS AND CLASSIFICATION OF LIVING ORGANISMS
Each of the diagrams shows an area of cytoplasm.Which is from a prokaryote?
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CH2 - ORGANIZATION AND MAINTENANCE OF THE ORGANISM
The diagram shows a section through a root.What are the levels of organisation of the labelled structures?
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CH3 - MOVEMENT IN AND OUT OF CELLS
Which characteristics are correct for both osmosis and diffusion? [Table_1]
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CH20 - BIOTECHNOLOGY AND GENETIC ENGINEERING
Which diagram shows the structure of DNA?
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CH5 - ENZYMES
The graph shows how enzyme activity is affected by temperature. How can the change in activity between 40°C and 55°C be explained?
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CH12 - RESPIRATION
Four test-tubes are set up as shown. Which test-tube contains the most carbon dioxide after one hour?
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CH12 - RESPIRATION
The graph shows daily carbon dioxide uptake and transpiration by the plant *Agave americana*. The plant is adapted to live in very dry conditions. ...
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CH6 - PLANT NUTRITION
In plants, which ions are used to make amino acids?
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