Can somebody please explain these Biology terms to me
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Can somebody please explain these Biology terms to me

[From: ] [author: ] [Date: 12-06-28] [Hit: ]
Ill be honest after that first question i got tired of typing but I do know the rest of the answers too...If you email me with the actual questions I can help you better: marleykh@yahoo.......

4. Dehydration (synthesis) = combine two molecules by taking an H2O away
Hydrolysis = breaking apart a molecule by putting an H2O in (the word lysis from latin means to break apart, like when a cell lyses)

5. Enzyme function depends on pH and temperature. Deviations from optimal causes denaturing of the enzyme since all they are are proteins. (again feel free to email me for more info)

6. Oxidation is the process by which a substance loses electrons and becomes more positively charged
Reduction is when a substance gains electrons and becomes negatively charged.
Together they form a redox reaction

Ex: Na --> Na+ + e- (Oxidation)
Cl + e- --> Cl- (Reduction)
Na + Cl --> Na+ + Cl- (Simply called NaCl or table salt) (redox reaction)

They might try to trick you and ask which is the reducing agent. The reducing AGENT is the one being oxidized, which in this case if Na. The oxidizing AGENT is the one being reduced, which is Cl since it gains an electron.

7. I have never done plant biology but here's a good thread for you to look at for the differences.
http://answers.yahoo.com/question/index?…

good luck with your exam :)

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Homeostasis is the bodys way to keep things in balance. For example, when you're really cold, your body temperature begins to go down. This causes the muscles to shiver (these shivers are the muscles rubbing against each other and let off heat) therefore, the heat let off raises the body temperature.
Another example of homeostasis is when you eat a jelly donut your blood sugar levels spike. Your pancreas releases insulin to take in that sugar and bring sugar levels back down.

I'll be honest after that first question i got tired of typing but I do know the rest of the answers too...If you email me with the actual questions I can help you better: marleykh@yahoo.com
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