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Há 2 dias · The eukaryotes (/ j uː ˈ k ær i oʊ t s,-ə t s / yoo-KARR-ee-ohts, -əts) constitute the domain of Eukarya or Eukaryota, organisms whose cells have a membrane-bound nucleus. All animals, plants, fungi, and many unicellular organisms are eukaryotes. They constitute a major group of life forms alongside the two groups of ...
Há 4 dias · Eukaryotic DNA replication is a conserved mechanism that restricts DNA replication to once per cell cycle. Eukaryotic DNA replication of chromosomal DNA is central for the duplication of a cell and is necessary for the maintenance of the eukaryotic genome .
Há 4 dias · Deoxyribonucleic acid (/ d iː ˈ ɒ k s ɪ ˌ r aɪ b oʊ nj uː ˌ k l iː ɪ k,-ˌ k l eɪ-/ ⓘ; DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.
Há 5 dias · A mitochondrion ( / ˌmaɪtəˈkɒndriən /; [1] pl.: mitochondria) is an organelle found in the cells of most eukaryotes, such as animals, plants and fungi. Mitochondria have a double membrane structure and use aerobic respiration to generate adenosine triphosphate (ATP), which is used throughout the cell as a source of chemical energy. [2] .
Há 1 dia · Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals) [6] are a phylum of simple, aquatic invertebrate animals, nearly all living in sedentary colonies. Typically about 0.5 millimetres ( 1⁄64 in) long, they have a special feeding structure called a lophophore, a "crown" of tentacles used for filter feeding.
Há 2 dias · Eukaryota: Kingdom: Animalia: Phylum: Porifera Grant, 1836: Classes Calcarea; Demospongiae; Hexactinellida; Homoscleromorpha †Archaeocyatha †"Heteractinida" (paraphyletic) †Stromatoporoidea; Synonyms; Parazoa/Ahistozoa (sans Placozoa)