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- - Chapter 4 Review Questions (3) - Word Search A ayanna lyons AL Design Layout References Mailings Review View Help B Share Find - Replace Select E E ALT Times New Rom 12 - A A A A BIU.ab X, X A-D-A- Аавьса АаВЬС 1 Normal 1 No Spac. АавьсАавьсс. Аав аавьссс — Heading 1 Heading 2 Title Subtitle DE- Paragraph Styles Editing Answer: 16. With regard to enzymes, why are vitamins and minerals necessary for good health? Give examples Answer: 17. Both prokaryotic and eukaryotic organisms carry out some form of glycolysis. How does that fact support or not support the assertion that glycolysis is one of the oldest metabolic pathways? Answer: 18. We inhale oxygen when we breathe and exchale carbon dioxide. What is the oxygen used for and where does the carbon dioxide come from? Answer: 19. When muscle cells run out of oxygen what happens to the potential for energy extraction from sugars and what pathways do the cell use? Answer: 20. Would you describe metabolic pathways as inherently wasteful or inherently economical and why? Answer: e here to search

Answer 1

16)ans:-

Vitamins are essential compounds that must be acquired through the diet because the body can't synthesize them. One of the reasons vitamins are needed is because they play an indirect role in catalysis, in which enzymes speed up chemical reactions. However, most vitamins can't help enzymes on their own. In order to participate in catalytic reactions, most vitamins have to change into coenzymes that are small co-pilot molecules that pair up with enzymes. These coenzymes are extremely useful because they stay the same after catalysis, so they're recycled and reused multiple times.

vitamin and mineral act as cofactor for several enzymes, Without this cofactor, the enzyme is no longer able to catalyze the reaction.

Minerals and vitamin present in our food which is in very small amount and very important for good health and disease free body

Examples:- vitamins=Ascorbic acid, vitamin B,C,D

Minerals=copper, zinc , iron.

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