a-c

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Actin
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

Preview of the back of card 3

Card 4

Front

Literally means without contamination. In biotechnology, this refers to lack of contamination by foreign, unwanted microorganisms.

Back

Preview of the back of card 4

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.

Back

Preview of the back of card 5
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