Qualification > Sciences
CHEM AND BIO HELP AND TIPS HERE
Raywin:
--- Quote from: aangel42 on June 07, 2010, 12:47:09 pm ---Also, sorry guys, two more questions:
1) What is the gut? Is it the stomach or the intestine?
2) What are some common tissues the exam likes to test? I know this is stupid of me, but I get confused sometimes while differentiating between organs and tissues?
And, what score should be my aim if I want to get an A*?
--- End quote ---
Gut is the region bet the stomach and the anus.
Tissues are a group of SIMILAR cells working together. Organs are a group of similar tissues working together.
And an A*, it mainly depends on ur P3 performance. :)
Raywin:
--- Quote from: aangel42 on June 07, 2010, 12:51:04 pm ---Ok thank you I get it now :)
So does less sunlight (reduced photosynthetic rate) cause the plant to turn yellow?
Or is that only because of reduced chlorophyll (meaning reduced, or no, magnesium ions)?
--- End quote ---
Light will just reduce the rate of photosynthesis. It is chlorophyll that gives the plant the green colour. And Mg is needed for chlorophyll synthtsis. So yes its the Mg deficiency that would make a plant turn yellow. :)
Raywin:
--- Quote from: aangel42 on June 07, 2010, 01:10:29 pm ---thanks for all your help! +rep
anyone know how i can make the .png file where i can crop a part of the pdf and attach it to my post for you guys to download?
--- End quote ---
Np, ;D Glad to help. :)
IGCSE AWESOME STUDENT:
hey, who thought the CHEM P3 was a bit tough?
Vin:
--- Quote from: aangel42 on June 07, 2010, 01:10:29 pm ---thanks for all your help! +rep
anyone know how i can make the .png file where i can crop a part of the pdf and attach it to my post for you guys to download?
--- End quote ---
I have it in-built on my win7. Google "snipping tool" you'll get some links. ;)
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