D - Vitamin D or calciferol. Fat-soluble vitamin that fights rickets. Main sources: Of animal origin, this vitamin is formed through reactions that occur with provitamins in the skin when the individual sunbathes.
Decomposers - organisms that transform dead organic matter into simple inorganic matter that can be reused by the living world. They comprise most fungi and bacteria. Same as saprophytes.
Desmosomes - Plasma membrane specialization that allows better adhesion between neighboring cells. Also known as macula adherens.
Deoxyribonucleic Acid - Same as DNA.
Deoxyribose - Sugar with 5 carbon atoms in the molecule (pentose), component of the DNA molecule.
Diatom - A species of protist algae that stores a large amount of diatom in your body.
Dicotyledonous (From Greek: kotyedon, cup-shaped cavity) subclass of angiosperms, in which there are two seed leaves, or cotyledons, in addition to other distinct characteristics.
Dinoflagellates - Protist algae known as pyrrophy. They are known to cause a phenomenon called red tide.
Diploid - Cell containing two genomes. Symbolized by (2n).
Dyspnea - Shortness of breath. Breathing difficulty.
Cell Division- Process by which a cell divides into two others; It is through this process that prokaryotic and eukaryotic cells reproduce; Eukaryotic cell mitosis is a type of cell division.
DNA - Nucleic acid type consisting of deoxyribose, phosphate and the nitrogenous bases adenine, guanine, cytosine and thymine; the DNA molecule is double stranded, helically arranged (double helix); In the DNA, the hereditary information is written in code.
Dominant - Dominant genes. One that expresses itself in both homozygosis and heterozygosis.
Numbness - It is the period that the seed takes to germinate after being in favorable environment.
Down - See Down syndrome.
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