Biology Study Notes

9.4 The Search for Better Health: 1. What is a healthy being? Discuss the difficulties in defining the terms health and indisposition: Health is difficult to define as health has some(prenominal) components, such(prenominal) as physical, mental, and social, some of which ar very subjective distemper is overly difficult to define, as it also has many components. Because it is describing a acres of impai tearing give meansing, it depends on an organisms mean(prenominal) take aim of execution, and what they expect their quality of life to be. Definitions: ? Health: A recite of complete physical, mental and social health, and not yet the absence seizure of disease or infirmity. ? Disease: A state of impair functioning of an organism, including impaired physical, social and mental functioning. precis how the function of genes, mitosis, cell differentiation and specialisation assist in the guardianship of health: Genes: ? Genes control the pro duction of proteins in the soundbox (needed for kosher functioning) and so healthy genes ensure the neutralize proteins are made. ? by production of proteins (especi anyy enzymes), genes ensure the line up cell processes occur, maintaining transfiguration and homeostasis.

Mitosis: ? Mitosis is the process that enables genetic material to be copied exactly, ensuring the genes are shed light on and able to maintain health in their own way ? Mitosis is also the process that organisms use to grow, and maintain and stamping ground form cells, maintaining health mobile phone Differentiation and Specialisation: ? These 2 processes result in cells which are specialised for specific functions in the body, such as red ! blood cells, etc. ? Together, all the specialised body cells work unitedly in a coordinated way to maintain the health and proper functioning of the organism. Use available evidence to analyze the links among gene expression and maintenance and repair of body tissues: A healthy organism is the result of: ? The correct functioning of genes...If you call for to get a full essay, tell apart it on our website: OrderEssay.net

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