A protein found in muscle cells. It is the main component of the thin filaments
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Apical dominance
The growing apical bud at the tip of the shoot inhibits growth of lateral buds further down the shoot.
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Apoptosis
Programmed cell death. An orderly process by which cells die after they have undergone the maximum number of divisions.
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Asepsis
Literally means without contamination. In biotechnology, this refers to lack of contamination by foreign, unwanted microorganisms.
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Association area
A region of the cerebral cortex where the information in the form of impulses from sensory areas is made sense of by comparison with previous experience.
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Batch culture
A culture of microorganisms that takes place in a single fermentation. Products are separated from the mixture at the end of the fermentation process.
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Biodiversity
The number and variety of living things to be found in the world, an ecosystem or habitat.
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Biotechnology
Use of microorganisms or biochemical reactions to generate useful products.
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Bivalent
Pair of synapsed (joined) homologous chromosomes during prophase and metaphase of meiosis
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Callus
A mass of undifferentiated plant cells formed by meristem tissue extracted from the plant and grown in tissue culture.
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Carrying capacity
The maximum population size that can be maintained over a period of time in a particular habitat.
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Chiasmata (sing. chiasma)
The points where non-sister chromatids within a bivalent join, where they cross over.
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Clade
A monophytetic taxonomic group; that is, a single ancestor and all its descendants,
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Cladistics
A method of classifying living organisms based i 1 on their evolutionary ancestry.
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Closed culture
A culture of microorganisms set up in a reaction vessel and then allowed to grow without the addition of nutrients or the removal of products or wastes.
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Codominant
A characteristic where both alleles contribute to the phenotype.
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Conjugation (in bacteria)
Bacterial cells can join together and pass plasmid DNA from one bacterial cell to another. This process can take place between bacteria of different species
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Conservation
Maintenance of biodiversity, including diversity between species, genetic diversity within species, and maintenance of a variety of habitats and ecosystems.
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Consumers
Living organisms that feed on other living organisms.
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Coppicing
Cutting a tree trunk close to the ground to encourage new growth.
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Cross-bridge
In voluntary muscle, the joining of a myosin head group to an actin thin filament in the presence of calcium ions.
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Crossing over
Where non-sister chromatids exchange alleles during prophase I of meiosis
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Other cards in this set
Card 2
Front
The growing apical bud at the tip of the shoot inhibits growth of lateral buds further down the shoot.
Back
Apical dominance
Card 3
Front
Programmed cell death. An orderly process by which cells die after they have undergone the maximum number of divisions.
Back
Card 4
Front
Literally means without contamination. In biotechnology, this refers to lack of contamination by foreign, unwanted microorganisms.
Back
Card 5
Front
A region of the cerebral cortex where the information in the form of impulses from sensory areas is made sense of by comparison with previous experience.
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