1
Q
How do you test for protein?
A
Add crushed food sample
Add biuret solution
Solution goes from light blue to purple if present
2
Q
What colour shows a positive test for the biuret test
A
Purple/Mauve
3
Q
What colour shows a negative test for the biuret test
A
Remains a light blue colour,
A level Biology
flashcards
Decks in class (63)
# Cards
-
Microscopy20
-
Cell Organelles22
-
Proteins and their structure19
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Properties of water7
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Nucleic acids16
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Carbs and Basic Biomolecules42
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Lipids15
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Benedict's test6
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Biuret test3
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Iodine Test4
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Emulsion Test5
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Protein Synthesis5
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DNA replication7
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Enzymes22
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Enzyme Inhibitors6
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Membrane34
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Cell division35
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Cell specialisation24
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Exchange Surfaces37
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gas exchange in other organisms12
-
Animal Circulatory Systems19
-
The heart22
-
Oxygen carriage in the blod19
-
Plant Transports41
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Translocation14
-
Taxonomy and classification13
-
Variation & Evolution12
-
Ecology14
-
Disease41
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Plant defenses against pathogens10
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Non-Specific Animal Defences Against Disease15
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The Specific Immune System28
-
Preventing and treating disease12
-
The Nervous System61
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Synapses9
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Muscle Types and movements19
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Brain structures and its functions8
-
Homeostasis and cell signaling30
-
Adrenal glands11
-
Control of glucose in the blood20
-
Diabetes17
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The Liver & Excretion20
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Functions of the Liver11
-
The Kidney and excretion14
-
Water Regulation15
-
Kidney Failure & Detecting Hormones16
-
Plant Hormones and growth in Plants36
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Experimental evidence for plant hormones14
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Hormonal Reponses to abiotic stress9
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Plant responses to herbivory10
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Photosynthesis38
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Calvin Cycle2
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Respiration11
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Anaerobic Respiration and Respiratory substances21
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Mutation and Variation30
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Patterns of Inheritance21
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Gene Technology and Manipulating Genome12
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Sequencing DNA8
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Growth of microorganisms1
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Biotechnology25
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Ecosystems and sustainability37
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Nutrient cycling14
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Ecosystem management27
