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Determine about the prokaryotic cell
While we describe in detail the structure of a eukaryotic cell, it will be useful to examine the structural features of a typical prokaryotic cell as well. Escllericllia coli is an organism found in the intestinal tract of all human beings, and represents a typical prokaryotic organism, which has been intensively investigated. An E.coli cell is about 2pm long and 1 pm in diameter (Fig.l.2). Its cell wall is made of a rigid framework called the peptidoglycan, consisting of polysaccharide chains cross linked by peptide units. The partial structure of a peptidoglycan is shown in figure below:
Phenoxyethanol is dangerous and can be absorbed through the skin - official sites for toxicity data, though, show little toxicity in man and some toxicity (irritation) with high do
Q. From which germ layer do the epidermis and the nervous system originate? What are other organs and tissues made from that germ layer? Epidermis and nervous system have the s
Define Corneal Scar - Micronutrient Deficiencies? The corneal ulcer, on healing, leaves a white scar, which may vary in size depending upon the size of the ulcer. When the scar
How does the nervous system get information about the external environment, the organs and the tissues? Information about the conditions of the external and internal environmen
how does chamaleon change its colour
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Q. which of structures is the nuclear membrane composed? Eukaryotic cells have nucleus delimited with two juxtaposed membranes that continue with the membrane of the endoplasmi
Q. Do bacteria cells have a nucleus? In bacteria the genetic material is dispersed in the cytosol and there is no inner membrane that delimits a nucleus.
Components of Ecosystem The components of the ecosystem can be categorised into abiotic or non-living and biotic or living components; Abiotic components: The important ab
Describe in detail about the unicellular eukaryotes Animal cel1.s and many types of unicellular eukaryotes contain centrioles, which are cylindrical in structure, about 0.15 m
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