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a haploid cell, such as an egg or sperm. Gametes unite during sexual reproduction to produce a diploid zygote. |
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in organisms undergoing alteration of generations, the multicellular haploid form that mitotically produces haploid gametes that unite and grow into the sporophyte generation. |
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mutations in these genes cause "gaps" in Drosophilia segmentation. The normal gene products map out the basic subdivisions along the anterior-posterior axis of the embyro. |
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a type of intercellular junction in animal cells that allows the passage of material or current between cells. |
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the three-layered, cup-shaped embryonic stage. |
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a protein channel in a cell membrane that opens or closes in response to a particular stimulus. |
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a discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses). |
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the genetic makeup, or set of allleles, of an organim |
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three main layers tat form the various tissues and organs of an animal body. |
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glyceraldehyde-3-phosphate |
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the carbohydrate produced directly from the Calvin cycle [G3P..and i forget its other name]. |
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a three-carbon alcohol with a hydroxyl group on each carbon. |
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an extensively branched glucose storage polysaccharide found in the liver and muscle of animals; the animal equivalent of starch. |
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the splitting of glucose into pyruvate. Glycolysis is the one metabolic pathway that occurs in all living cells, serving as the starting point for fermentation or aerobic respiration. |
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a covalent bond formed between two monosaccharides by a dehydration reaction |
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an organelle in eukaryotic cells consisting of stacks of flat membranous sacs that modify, store, and route products of the endoplasmic reticulum. |
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G-protein-linked receptor |
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a signal receptor protein in the plasma membrane that responds to the binding signal molecule by activating a G-protein. |
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a vascular plant that bears naked seeds- seeds not enclosed in specialized chambers. |
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