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Biologists established that new cells
Consequent to this doctrine, biologists established that new cells are formed by cell division and by the end of the nineteenth century, the hereditary material in cells, the chromosomes, were recognised. As the biochemical, physiological and genetic properties of cells were studied, it was established that in both unicellular and multicellular organisms, it is the fundamental structural unit, which stores the genetic material and the biochemical organisation that accounts for the existence of life. It is naturally essential for a person to know about cells so that one is able to understand a wide variety of issues like health, drugs, illness, medical treatment, reproduction, environmental problems, evolution and life in general.
1- Describe the function of enzymes in catalyzing biological reactions ? 2-Descride enzymes ' role in reducign activation energy?
External budgets - Nutrient Budgets In contrast the external budgets pertain to the input and output of the entire ecosystem in relation to other ecosystems. For instance volc
Water Relations in Terrestrial Environment Insects are the largest group of metazoans which have most successfully invaded the terrestrial environment. In addition, most arach
Sertoli cells are found in: 1. ovaries and secrete progesterone 2. adrenal cortex and secrete adrenaline 3. seminiferous tubules and provide nutrition to germ cells 4.
Define Nutritional Requirement and Dietary Modifications in the Diet of the Elderlu? The nutritional status influences the age-related rate of functional decline in many organ
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Name some emulsifiers which are present in nature? There are many emulsifiers which are present in nature such as phospholipids e.g. lectin which is present in egg yolk which a
Avian infectous bronchitis (IB) IB virus is caused by Infectious bronchitis virus of the genus Coronavirus in the family Coronaviridae, which is a positive sense ssRNA virus. I
Shortness of Breath It is a subjective sensation of being unable too draw in enough air to breathe. Most often, this is associated with congestive cardiac failure and may
Explain cigrates smoking from lifestyle risk factors ? Smoking is the single most important preventable risk factor for CAD. There is strong evidence that smoking can significa
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