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Author Topic: CHEM AND BIO HELP AND TIPS HERE  (Read 357115 times)

Offline Vin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3135 on: June 07, 2010, 05:58:39 pm »
Quote from: aangel42 on June 07, 2010, 05:54:38 pm
What are the common enzymes tested on Paper 1 and the pH's of each...?

If anyone can suggest a couple names????

Thanks in advance :)

https://studentforums.biz/index.php/topic,7967.msg211170.html#msg211170
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Offline Raywin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3136 on: June 07, 2010, 05:58:55 pm »
Quote from: 8T on June 07, 2010, 05:57:25 pm
Could someone someone temme which is the correct answer please , it has always confused me??


Its D. :)
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Offline 8T

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3137 on: June 07, 2010, 06:02:58 pm »
Thanks Raywin :)
It makes sense XD
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Offline Raywin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3138 on: June 07, 2010, 06:03:37 pm »
Quote from: 8T on June 07, 2010, 06:02:58 pm
Thanks Raywin :)
It makes sense XD

Lol, i just stated the answer.. :P anywyas np.
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Offline Raywin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3139 on: June 07, 2010, 06:04:05 pm »
Quote from: aangel42 on June 07, 2010, 06:02:40 pm
I swear I love you guys so much. I'm +repping you both, you guys SO deserve it!!!!!!!!!!!!!!!!!!!

Hahaha, np and thanks ;D
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Offline Vin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3140 on: June 07, 2010, 06:05:29 pm »
Quote from: 8T on June 07, 2010, 05:57:25 pm
Could someone someone temme which is the correct answer please , it has always confused me??


D. pls. dont quote this :P good pic, eh? If someone annoyed, I'll reduce the size.

« Last Edit: June 07, 2010, 06:09:11 pm by ~VIN1094~ »
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Offline Weaam

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3141 on: June 07, 2010, 06:07:36 pm »
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Offline Raywin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3142 on: June 07, 2010, 06:07:59 pm »
Quote from: aangel42 on June 07, 2010, 06:05:23 pm
How are both water and land plants affected by each of the following:

1) pesticides
2) herbicides
3) fertilizers
4) anything else the stupid examiners test us on related to this question  >:(

These questions ALWAYS confuse me :(
Again, thank you in advance

Pesticides kill the pests (insects) tht ummm annoy the plant :P.
Herbicides kills the unwanted plants like weeds etc.
Fertilizers helps plants grow (they contain NPK - Nitrogen, Phosphorous and Potassium which are essential for plant growth )
;D
« Last Edit: June 07, 2010, 06:09:52 pm by Raywin »
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Offline SNA

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3143 on: June 07, 2010, 06:10:58 pm »
Quote from: Raywin on June 07, 2010, 06:07:59 pm
Pesticides kill the pests (insects) tht ummm annoy the plant :P.
Herbicides kills the unwanted plants like weeds etc.
Fertilizers helps plants grow (they contain NPK - Nitrogen, Phosphorous and Potassium which are essential for plant growth )
;D
in addition to that, fertilizers cause aquatic plants to grow rapidly at first (algal bloom)
then cause them to die. but not sure for herbicides and pesticides though. sorry  :(
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Offline Raywin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3144 on: June 07, 2010, 06:13:18 pm »
Quote from: aangel42 on June 07, 2010, 06:12:04 pm
Hardest past paper you've ever done before the year 2004?

Lol tht thing I downloaded from SF today.. :P everything else was pretty much fine.. :)
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Offline Raywin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3145 on: June 07, 2010, 06:14:53 pm »
Quote from: aangel42 on June 07, 2010, 06:13:31 pm
Thanks Raywin and SNA, I appreciate the efforts!!
I'm sure the herbicides and pesticides would have the same effect in water as on land? Can someone confirm this, and thanks again!

Hmm, fertilizers would have but im not sure about herbicides and pesticides.. :/
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Offline Raywin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3146 on: June 07, 2010, 06:17:26 pm »
Guys, imma go off now.. :) its late night here and i need to catch up on some sleep.. ;D so good luck for everyone doing bio p1 tomoz!! ;D
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Offline Ivo

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3147 on: June 07, 2010, 06:20:38 pm »
Quote from: 8T on June 07, 2010, 05:57:25 pm
Could someone someone temme which is the correct answer please , it has always confused me??


D, S->R->P->Q.  Blood from muscles in leg flow through vena cava to right aorta then left ventricle, then goes to pulonary artery to lungs (not shown) then arrives by pulmonary vein then into left aorta then left ventricle.
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Always willing to help!  8)
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Offline SNA

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3148 on: June 07, 2010, 06:23:38 pm »
Quote from: aangel42 on June 07, 2010, 06:13:31 pm
Thanks Raywin and SNA, I appreciate the efforts!!
I'm sure the herbicides and pesticides would have the same effect in water as on land? Can someone confirm this, and thanks again!
hey gud news! i checked the exam syllabus, only need to know:
-describe the importance of:
• nitrate ions for protein synthesis
• magnesium ions for chlorophyll synthesis
- describe the uses, and the dangers of overuse,
of nitrogen fertilisers
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Offline 8T

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #3149 on: June 07, 2010, 06:28:31 pm »
I'd appreciate it if someone could give me answers for he four questions attached pleaseeee :)
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