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May 22, 2012

DNA molecule
· First described by Watson & Crick in 1953
· Double Stranded
· Twisted into a helix (spiral)
· Sugar Phosphate backbone
· Complimentary pairing of bases
Adenine = Thymine Cytosine = Guanine
· Sections of DNA contain genes responsible for producing
proteins…

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· makes a polypeptide chain
1

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2

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May 22, 2012
Microorganisms
3
· Can be used to produce human insulin
· More effective than pig insulin
· Does not cause allergic reactions in patients

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Page 9

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B2 revision
May 22, 2012

Advantages
Disadvantages
· Wide range of products
· optimum conditions required e.g.
human insulin,
for most efficient growth medicines,
beer
· Can be used to grow mycoproteins e.g. quorn
· Quick and efficient
· low risk of contamination
· human views on eating microorganisms
·…

Page 10

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· sending nerve impulses
· transport around the body
· growth and repair
· absorbing food
glucose digestion oxygen lungs via the blood carbon dioxide removed by
blood
· Occurs in mitochondria
· Large surface area
· Mitochondria make adenosine triphosphate (ATP)
· Acts as a store of energy that…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
B2 revision
May 22, 2012

DNA molecule
· First described by Watson & Crick in 1953
· Double Stranded
· Twisted into a helix (spiral)
· Sugar Phosphate backbone
· Complimentary pairing of bases
Adenine = Thymine Cytosine = Guanine
· Sections of DNA contain genes responsible for producing
proteins…

Page 3

Preview of page 3
· makes a polypeptide chain
1

Page 4

Preview of page 4

Page 5

Preview of page 5
B2 revision
May 22, 2012
2

Page 6

Preview of page 6

Page 7

Preview of page 7
B2 revision

May 22, 2012
Microorganisms
3
· Can be used to produce human insulin
· More effective than pig insulin
· Does not cause allergic reactions in patients

Page 8

Preview of page 8

Page 9

Preview of page 9
B2 revision
May 22, 2012

Advantages
Disadvantages
· Wide range of products
· optimum conditions required e.g.
human insulin,
for most efficient growth medicines,
beer
· Can be used to grow mycoproteins e.g. quorn
· Quick and efficient
· low risk of contamination
· human views on eating microorganisms
·…

Page 10

Preview of page 10
· sending nerve impulses
· transport around the body
· growth and repair
· absorbing food
glucose digestion oxygen lungs via the blood carbon dioxide removed by
blood
· Occurs in mitochondria
· Large surface area
· Mitochondria make adenosine triphosphate (ATP)
· Acts as a store of energy that…

Comments

jaydeep

Report

Doesnt work