Qualification > Sciences
Biology Paper 1 and 3 help HERE ONLY!!!
Feva:
Define the term Enzyme?
* a protein which acts as a biological catalyst
would that definition give me a full mark for the question? ???
sweetsh:
Thank you all I knew that! But needed furthur explanation! Anywy thank you
monnie:
--- Quote from: kam on June 07, 2009, 08:06:02 pm ---
--- Quote from: monnie on June 07, 2009, 08:04:43 pm ---
--- Quote from: kam on June 07, 2009, 08:01:22 pm ---can someone plz explain
non-cyclical nature of energy flow
--- End quote ---
it means that energy doesn't flow in the environment in a circle form like the carbon or nitrogen cycle instead it flows as a chain form from upper to lower and lost as heat at end
--- End quote ---
can u give me examples plz
+rep
really appreciate it
--- End quote ---
um sorry i don't know any examples i don't even like bio i just memorize and i don't remember the teacher gave us examples but i don't think it is that important
hdbkiwi:
--- Quote from: Feva on June 07, 2009, 08:11:26 pm ---Define the term Enzyme?
* a protein which acts as a biological catalyst
would that definition give me a full mark for the question? ???
--- End quote ---
if it was a 2 mark question you would get 2 for biological and catalyst. protein just makes it even better haha :D but if it was three marks explain what biological and catalyst mean, and then definitely include the protein part :)
monnie:
--- Quote from: Feva on June 07, 2009, 08:11:26 pm ---Define the term Enzyme?
* a protein which acts as a biological catalyst
would that definition give me a full mark for the question? ???
--- End quote ---
a protein biological catalyst which speeds up the reaction without itself getting used it is specific to a substrate due to the active site
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