Page S 33 a. What does the R group in the structure of an amino acid represent?
ID: 149904 • Letter: P
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Page S 33 a. What does the R group in the structure of an amino acid represent? b. If the R group is hydrogen, what amino acid is formed? c. If the R group is a Methyl group (CHs), what amino acid is formed? Read pages - ENZYMES: Enzymes are large complex protein molecules that control the rate of all Enzymes behave as organic catalysts during the chemical reactions of metabolism. A catalyst is a substance that acts to speed up or slow down the rate of a chemical reaction. Enzymes therefore regulate the rate of chemical reactions in living organism, Enzymes allow the chemical reactions of metabolism to occur at normal body temperatures, which normally would not be able to occur at that temperature, at efficient rates. The An enzymes snicture is specific for the substrate (substance) it reacts with. If an enzymes structure is altered it function will be effected and it may no longer be able to function. r changed nor used up during the chemical reaction they catalyze. Some enzymes have a non-protein part called a coenzyme. Coenzymes may be vitamins or minerals the enzyme needs to function. If an enzyme cannot perform its function, one or more metabolic reactions required for life may not occur QUESTIONS: 34. In living organisms what important function is served by enzymes? 35 a. What is a catalyst? b. Why is an enzyme a catalyst?Explanation / Answer
34. Enzymes are required by living organisms for metabolic pathways in the body, respiration, digestion and other imporant biochemical processes. Enzymes maintain homeostasis in life. If a certain enzyme is lacking this can lead to genetic defect that lead to a disease in an organism.
35.a) A catalyst is an agent or compound that is added to make a chemical process happen more quickly by increasing the rate of reaction without getting involved in the reaction.
35.b) Enzymes are organic catalyst which aid in facilitating chemical reactions in the body. It occur by lowering the activation energy of the reaction. A biological catalyst is the one that accelerates the chemical reaction without altering the equilibrium.
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