Questionnaire Overview A questionnaire is a document including questions and other elements meant to elicit data suitable for study. The questionnaire may be viewed as a paper-based interview. The creation of a questionnaire follows a similar structure to that of the interview schedule. However, due to the questionnaire’s impersonal nature, its development requires even more …
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, with the exception of a few freshwater species, such as the hydra. They are multicellular and organised at the tissue level. …
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Phenotype Vs Genotype Overview Phenotype Definition In genetics, the word “phenotype” is used to describe all the features that may be seen in an organism as a consequence of the interaction between its genotype and its environment. The word “pheno” in the word “phenotype” means to “observe,” hence it is used to describe an organism’s observable …
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Spermatogenesis Vs Oogenesis Overview Spermatogenesis Definition Spermatogenesis is the process of developing mature sperm cells from immature sperm cells through a sequence of mitotic and meiotic divisions. The development of mature male gametes is the consequence of the male variant of gametogenesis. Spermatogenesis, which is necessary for sexual reproduction, must take place under ideal circumstances. …
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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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Monocot Vs. Dicot Roots Overview Definition of Monocot Root Monocot roots are fibrous or adventitious roots that develop from the stem and are made up of a large network of thin roots and root fibres. Depending on the type and age of the plant, monocot roots can vary greatly. However, the majority of monocot plants …
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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 …
Type I Error And Type II Error Overview Type 1 error definition A type 1 error arises when a null hypothesis is denied in statistical hypothesis testing despite the fact that it is valid. A type 1 error happens when the hypothesis that should have been approved is rejected. The degree of significance of the …
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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 Fungi Fungi include eukaryotic microorganisms. They might appear as moulds, yeasts, or a hybrid of the two. Some fungi have the potential to lead to systemic, cutaneous, subcutaneous, autoimmune, or allergy disorders. Yeasts are tiny fungi made up of single cells that divide by budding. In contrast, hyphae, which are lengthy filaments that …