Telophase In Mitosis And Meiosis (Telophase I, II) Overview What is Telophase? The telophase is both, the last phase of meiosis and the fifth phase of mitosis. Meiosis comprises two stages: telophase I and telophase II. Separation of the duplicate genetic material, which was contained in the nucleus of the parent cells. They eventually divide …
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Prokaryotic Translation (Protein Synthesis) Overview Translation involves translating the pattern of a messenger RNA (mRNA) molecule into a sequence of amino acids during protein synthesis. Following the transcription of DNA into RNA, ribosomes in the cytoplasm or ER are responsible for protein synthesis. The Ribosomes Normally, ribosomes exist as distinct subunits made up of rRNA …
Phenotype Vs. Genotype Overview Phenotype Definition The word “phenotype” describes all the features that may be seen in an organism due to the interaction between its genotype and its environment. The word “pheno” means to “observe,” hence it is used to describe an organism’s observable traits, such as its height and color. An organism’s phenotype …
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Phylum Coelenterata (Cnidaria) Definition: Phylum Coelenterata (Cnidaria) are defined as diploblastic metazoa having a nematocyst and a single gastrovascular cavity, or coelenteron, as the tissue construction grade. Phylum Coelenterata (Cnidaria) Characteristics They are aquatic, except for a few freshwater species, such as the hydra. They are multicellular and organized at the tissue level. They are …
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Electron Transport Chain Definition The Electron Transport System also referred to as the Electron Transport Chain is a collection of chemical reactions which transform the redox energy created by the oxidation of NADH and FADH2 into proton-motive force. This process is then utilized to synthesize ATP through an enzyme reaction called oxidative phosphorylation, which necessitates …
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Phylum Hemichordata Definition It is contested if they are Phylum hemichordata, which indicates they are “half” or “part” chordates (Greek: hemi, half; chorde, cord). Typically, they are vermiform, solitary or colony enterocoelous coelomate creatures lacking normal nephridia and with an intra-epidermal nervous system. Phylum Hemichordata Characteristics They are entirely marine, tubicolous, and solitary or colony. …
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Classification Of Bacteria Overview Classification Of Bacteria are classified and recognised to separate one organism from another and to categorise similar species according to standards relevant to microbiologists or other scientists. Numerous purposes are served by bacterial categorization. Bacteria may be categorised using a wide range of different typing methods as a result of their …
Phylum Annelida definition Phylum Annelida are described as coelomate worms with a thin, flexible cuticle all around that are triploblastic, bilaterally symmetrical, and segmented metamerically. Phylum Annelida Characteristics Most of them are aquatic; some are freshwater or marine; some are terrestrial; some are sedentary or free-living; and some are commensal and parasitic. The body is …
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Protozoa Definition Protozoa are “microscopic acellular animalcules that exist single or in colonies, are devoid of tissue and organs, and have one or more nuclei.” Some of the characteristics are: Approximately 50,000 species of Protozoa are known. Protozoans primarily demonstrate two modes of existence: free-living (aquatic, freshwater, and marine) and parasitic (ectoparasites or endoparasites). Also, …
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Phylum Nematoda Definition As opposed to flatworms and higher segmented annelids, nematodes (Greek: nema thread+ eidos, form) are also known as thread worms or pinworms. Phylum Nematoda Characteristics They are abundant, aquatic or terrestrial, parasitic or nonparasitic, and ubiquitous. This creature’s body is elongated, cylindrical, segmentless, worm-like, bilaterally symmetrical, and tapered at both ends. They …
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