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12 Cards in this Set
- Front
- Back
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Where is insulin produced?
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Beta cells of the islets of Langerhans
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Which cells are used in colour vision?
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Cone cells
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What is the name given to a directional response to an environmental stimulus?
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Taxis
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Name the neurotransmitter involve at the synapse of the sympathetic nervous system
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Noradrenaline
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These muscle fibers are used for short bursts of energy.
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Fast twitch muscle fibers
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Explain what is meant by a "totipotent cell"
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A cell which can bevelp into any type of cell in the body
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Outline the use oftRNA in the production of proteins.
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tRNA carries amino acids to the mRNA. It puts them in the coprrect sequence by having the complementary code found on the codons.
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Name the hormoners required in the menstrual cycle.
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FSH
LH Oestrogen Progesterone |
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What is the non coding part of RNA which is not used to make a protein called?
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An intron
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Give three examples of where genetically modified micro-organisms may be used.
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Production of antibiotics
Production of hormones Manufacture of enzymes Herbicide resistance in plants Disease resistance in crops |
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When is PCR used
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PCR is used when genetic material is in low supply and we need more to be able to analyse it in detail.
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From the following definition suggest what you thing I could be talking about:
A techniqe used to separate DNA fragments of different length. |
Gel electrophoresis
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