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Definition
| Process by which substances become more concentrated in organisms in the higher tropic levels of a food web |
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| Principle of global warming |
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Definition
| predicted increase in the Earth’s temperature due to human activities that promote to the greenhouse effect |
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Definition
| one of two identical chromosomal strands into which a chromosome splits longitudinally preparatory to cell division. |
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| General process of how a cell makes proteins |
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Definition
1. mRNA is produced in the nucleus but moves through a nuclear pore through a nuclear pore into the cytoplasm
2. In the cytoplasm, the mRNA and ribosomal subunits join, and polypeptide synthesis begins.
3. After a ribosome attaches to a receptor on the ER, the polypeptide enters the lumen of the ER.
4. At termination, the polypeptide becomes a protein. The ribosomal subunits disengage, and the mRNA is released. |
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Definition
| Otherwise known as Down Syndrome, where an individual has three copies of chromosome 21 |
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Definition
| → Normal gene that can become an oncogene through mutation |
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Definition
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Term
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Definition
gene that codes for a protein that ordinarily
suppresses cell division; inactivity can lead to a tumor |
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Definition
| Chart that shows the relationships of relative and which ones have a particular trait |
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Term
| Process of Natural Selection |
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Definition
| mechanism of evolution cause by environmental selection of organisms most fit to reproduce; results in adaptation to the environment |
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Term
| Three ways antibiotics work |
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Definition
1. Attack bacteria, not viruses
2. Destroys the cell wall
3. And then bind to the bacterial ribosome and impairs production |
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Term
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Definition
| causative agent of toxoplasmosis. |
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Term
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Definition
| infection with the parasite Toxoplasma gondii, transmitted to humans by consumption of insufficiently cooked meat containing the parasite or by contact with contaminated cats or their feces: the illness produced is usually mild, but in pregnant women may damage the fetus. |
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