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19 Cards in this Set
- Front
- Back
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Excretion |
The removal of waste products of metabolism from the body |
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Exocrine glands |
Release their products into ducts or tubes |
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Fertilisation |
The union of the male and female gametes to form a diploid zygote |
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Food chain |
A sequence of organisms in which each one is eaten by the next member of the chain |
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Food web |
2 or more interlinked food chains |
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Gametes |
Haploid cells capable of fusion or fertilisation |
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Gene |
Section of DNA that contains instructions on how to make specific proteins |
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Gene expression |
The precise way in which genetic information in a gene is decoded in the cell and used to make a protein |
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Gene mutations |
Changes in a single cell |
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General defence system |
Acts as a barrier to all pathogens attempting to gain entry to the human body |
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Genetic engineering |
The artificial manipulation or alteration of genes |
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Genetic screening |
Testing DNA for the presence or absence of a particular gene or an altered gene |
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Genotype |
The genetic makeup of an organism |
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Geotropism |
Change in growth of a plant in response to gravity |
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Germination |
The regrowth of the embryo, after a period of dormancy, if the environmental conditions are suitable |
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Germ layers |
Basic layers of cells in the blastocyst from which all adult tissues and organs will form |
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Gestation |
The length of time spent on the uterus from gestation to birth |
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Gonad |
Organ that produced sex cells in animals |
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Growth regulator |
A chemical that controls the growth of a plant |
