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| te 5' end of a pre-mRNA molecule modified by the addition of a cap of guanine nucleotide. |
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| the first fillial, or hybrid, offspring in a genetic cross-feritlization |
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| the spontaneous passage of molecules and ions, bound to specific carrier proteins,across a biological membrane down their concentration gradients. |
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| a biological compound consisting of three fatty-acids linked to one glycerol molecule. |
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Definition
| a long carbon chain carboxylic acid. Fatty acids vary in length and in the number and location of double bonds; three fatty acids linked to a glycerol molecule form fat. |
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| a method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway. |
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| a catabolic process that makes a limited amount of ATP from glucose without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid. |
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Definition
| the union of haploid gametes to produce a diploid zygote. |
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| a long cellular appendage specialize for locomotion. The flagella of prokaryotes and eukaryotes differ in both structure and function. |
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Definition
| a membranous sac formed by phagocytosis. |
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Definition
| a means of asexual reproduction whereby a single parent breaks into parts that regenerate into whole new individuals. |
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Definition
| a mutation occurring when the number of nucleotides inserted or deleted is not a multiple of three, resulting in the improper grouping of the following nucleotides into codons. |
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Definition
| a specific configuration of atoms commonly attached to the carbon skeletons or organic molecules and usually involved in chemical reactions. |
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