Additional Science mixed questions

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  • Created by: Eloise
  • Created on: 03-03-16 17:35
Name 5 environmental factors affecting the distribution of organisms
Temperature. Availability of water. Availability of oxygen and carbon dioxide. Availability of nutrients. Amount of light.
1 of 9
What are the uses of enzymes in industry?
Biological detergents (protease and Lipase) Baby food (protease) Slimming foods (isomerase turns glucose into fructose)
2 of 9
Name 3 advantages and disadavantages of enzymes in industry
A: Lower cost, Long lasting, Biodegradable D: People develop allergies, Expensive, Denatured easily
3 of 9
Name 2 uses of DNA fingerprinting
Forensic Science and Paternity testing
4 of 9
Name two players stem cells are found and their uses
Embryo (nerve cells, muscle cells. whole organs) Bone Marrow (Blood cells)
5 of 9
Name three important conclusions Mendel came up with
1) Characteristics in plants are determined by "hereditary units" 2) Hereditary units passed on from both parents, unit from each 3) Hereditary units can be recessive or dominant
6 of 9
Name the two methods of chromatography
Paper and Gas
7 of 9
Explain how Gas Chromatography works
Gas carries substances through column, they separate as travel at different speeds, reach detector, mass spectrometer identifies substances
8 of 9
Name the advantages of using a machine for chromatography
Very sensitive, Very fast and Very accurate
9 of 9

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Card 2

Front

What are the uses of enzymes in industry?

Back

Biological detergents (protease and Lipase) Baby food (protease) Slimming foods (isomerase turns glucose into fructose)

Card 3

Front

Name 3 advantages and disadavantages of enzymes in industry

Back

Preview of the front of card 3

Card 4

Front

Name 2 uses of DNA fingerprinting

Back

Preview of the front of card 4

Card 5

Front

Name two players stem cells are found and their uses

Back

Preview of the front of card 5
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