Botany

2006-12-04 11:48:05 · 9 answers · asked by kit k 1

im trying to finish my review sheet for my biology class and i have no idea what the paper is talking about... help please

1) what is the end product of photosystem II and I
2) why is the water split by an enzyme
3) how os the electron transferred from photosystem II to I
4) what provides the energy for ATP

2006-12-04 10:03:48 · 2 answers · asked by iAmJustMe 2

2006-12-04 08:02:11 · 4 answers · asked by ashlee l 1

i think they grow on trees but i've never seen a peanut tree

2006-12-04 07:16:54 · 14 answers · asked by Anonymous

I need chemicals and formulas for their combos.. thanks anyone...

2006-12-04 05:51:26 · 1 answers · asked by Saddam 1

2006-12-04 04:46:53 · 13 answers · asked by t.j.barrie.t21@btinternet.com 1

2006-12-04 04:24:05 · 4 answers · asked by mz.liltweet 1

I want a site or some general information , "Do you knew that" about plants ?
An example: Do you know that trees can keep sound or something like this

2006-12-04 04:06:55 · 2 answers · asked by LeNaRiO 1

Botany,Melathria,Tendrils present

2006-12-04 03:05:11 · 3 answers · asked by appu g 1

This would be for like in a survival situation, for lashing things together or for such things as bow strings and the like.

2006-12-04 02:34:56 · 1 answers · asked by michael h 1

2006-12-04 02:20:27 · 2 answers · asked by mary_kevin05 1

2006-12-04 00:52:38 · 4 answers · asked by Alex Ssooty 1

2006-12-04 00:50:41 · 5 answers · asked by Anonymous

2006-12-03 22:34:58 · 3 answers · asked by Anonymous

2006-12-03 21:10:09 · 5 answers · asked by Wow! I have a pig nose! 4

i have an assignment to do. the topic is about rafflesia. i don't know what the best activities that should i do

2006-12-03 19:02:54 · 1 answers · asked by wawa a 1

2006-12-03 18:28:43 · 3 answers · asked by Brian 1

its about flowers..but clear answer of that

2006-12-03 16:49:48 · 5 answers · asked by shailaja s 1

I'm doing my final year project to isolate and identify nitrogen fixers. Can anyone recommend me links for journals or whatever good information to help me in this.Thank you so much

2006-12-03 15:31:57 · 1 answers · asked by pumpkinism 3

at equal distances from each other and far apart as possible. How far apart can the trees be planted?

2006-12-03 15:20:13 · 1 answers · asked by Dee Dee 1

we cut down trees to get wood, so how long is it from we plant trees to the time when we can cut them down?

2006-12-03 14:10:36 · 6 answers · asked by Anonymous

2006-12-03 13:58:14 · 3 answers · asked by umangu 3

A) enhancers
B) silencers
C) Operators
D) Operons
E) regulators

2006-12-03 13:54:29 · 1 answers · asked by Anonymous

Can you please check over thiss for me...Thank youuu...
Note: Elodea is a fresh water plant.

a) Elodea cells normally contain 1% salt and 99% water.
b) Tap water contains 1% salt and 99% water.
c) Salt water contains 6% salt and 94% water.
d) Salt water has a higher concentration of salt than fresh water or Elodea cells.

Answer the following questions using the information above about the cell in salt water:

1) What is the percentage of water outside the cell at the start?- 94
2) What is the percentage of water inside the cell at the start? -99
3) How do the percentages compare? - the percentage of water inside the cell is higher than that of outside the cell
4) When will water move across the cells membrane? -during osmosis?
5) WOuld the cell shape change once it was placed in the tap water? -yes because the cell was trying to equal the concentration of water and salt inside and outside of it...

is all of this correct? if not, can you please correct my answers?!

2006-12-03 13:48:57 · 1 answers · asked by Lina 4

i have heard that the repirations of BANYAN trees are different than all the other trees? if it is, then what the difference is??????

2006-12-03 12:58:50 · 3 answers · asked by sufiesidhi 1

2006-12-03 11:01:45 · 11 answers · asked by ultramary63 1

What's this? Dew point and an example? I am confused. Please help me I have a test Tommorrow!

2006-12-03 10:02:47 · 1 answers · asked by Loaha 2

umm this was on a worksheet but I can't find to answer to it and I am having a test in science Tommorrow so I might need to know this. Thanks!

2006-12-03 10:01:05 · 5 answers · asked by Loaha 2

How come tree leafs change color in automn before falling??

2006-12-03 08:44:47 · 7 answers · asked by Anonymous

2006-12-03 08:40:38 · 3 answers · asked by F-U 1