Biology - November 2007

Why does Lamark's theory of Acquired Traits difficult to use specificly for the evolution of plants?

2007-11-25 12:20:47 · 5 answers · asked by Mokusan 1

organ system, tissue, organ, organism, cell

2007-11-25 11:53:56 · 12 answers · asked by danielle 2

2007-11-25 11:49:12 · 15 answers · asked by john wondering 7

And why is she a whole lot smarter at some things than I am? Does that have to do with the fact that we were born five minutes apart?

2007-11-25 11:44:02 · 4 answers · asked by Chichiri 1

If a fly is in a closed window, why does it die? Thanks.

2007-11-25 11:39:02 · 5 answers · asked by - 2

2007-11-25 11:08:11 · 3 answers · asked by Anonymous

If you compare their DNA, what similarities will you notice? If, say, you examine the daughter's DNA, will you be able to tell who the father is?

2007-11-25 11:04:16 · 3 answers · asked by beyondearthfiles 2

need help---human anatomy class

2007-11-25 10:41:03 · 18 answers · asked by gege05 1

2007-11-25 10:38:21 · 2 answers · asked by Anonymous

name 5 ( i have the other 5)

2007-11-25 09:14:34 · 2 answers · asked by Anonymous

2007-11-25 09:11:25 · 6 answers · asked by hi pplz!!!!!:} 1

2007-11-25 08:57:23 · 2 answers · asked by Stacie O 2

not bisphosphate. BIPHOSPHATE.

2007-11-25 08:39:12 · 3 answers · asked by Anonymous

1. All forms of passive diffusion depend on ...
A) energy from the cell in the form of ATP
B) ion channels
C) the kinetic energy of molecules
D) carrier proteins

I think it is C.

2. Most of the time, the environment that plant cells live in is
A) isotonic
B) hypertonic
C) hypotonic
D) none of these

I think it is C.

3. Gateway for ions to enter and leave a cell ...
A) hydrophobic end
B) hydrophilic end
C) protein channels
D) a, b, and c

I think it is C.

4. Sodium-potassium pumps ..
A) moves Na ions and K ions into a cell
B) moves Na ions and K ions out of a cell
C) moves Na ions out and K ions into a cell
D) moves Na ions into a cell and K ions out of the cell

I think it is C.

5. Membrane bound organelles are also referred to as ...
A) vesicles
B) channels
C) integral proteins
D) a and b

I think it is A.

2007-11-25 08:27:43 · 2 answers · asked by mz. * 1

2007-11-25 08:21:50 · 5 answers · asked by Anonymous

My husband has blue eyes; both his parents (yes they are his real parents) have brown eyes. How does this happen? At school, I was always told that brown eyes are the dominant eye colour.

2007-11-25 08:03:26 · 24 answers · asked by Anonymous

forgot my science book...

2007-11-25 07:59:42 · 2 answers · asked by Anonymous

2007-11-25 07:59:29 · 13 answers · asked by Anonymous

does anyone know what the role of this is? i have been searching for days and i only come up with sino atrial node. please help i need this for my as level biology presentation on the heart, just this left!

2007-11-25 07:13:24 · 3 answers · asked by topher 2

2007-11-25 07:12:52 · 5 answers · asked by terriann m 1

Two black mice were mated over several years and produced 29 black and 9 white offspring. What are the most likely genotypes of the parents? Use B for black allele.

2007-11-25 06:40:06 · 2 answers · asked by Anonymous

2007-11-25 06:38:09 · 3 answers · asked by Anonymous

2007-11-25 06:37:03 · 4 answers · asked by Anonymous

with the formula C6H12O6

2007-11-25 05:54:02 · 5 answers · asked by Anonymous

2007-11-25 05:53:34 · 0 answers · asked by =)* 1

the products are:
co2 (carbon dioxide)
ATP
NADH
FADH2

2007-11-25 05:37:05 · 2 answers · asked by veronika 1

what is the difference between fermentation and glycolysis?? I'm really confused so if anyone could put it in point blank simpler terms that would be great!!

2007-11-25 05:29:35 · 4 answers · asked by tlkalot369 1

2007-11-25 05:19:42 · 4 answers · asked by cdthorse1 2

1] Why is it so important to test cosmetics to make sure they are safe for humans?
2]What are the reasons FOR animal testing?
3]What are the reasons AGAINST animal testing?

2007-11-25 04:37:48 · 2 answers · asked by ashley 3

Please can anyone help me. I have to make a 3-D cell and I need to know the colour.

2007-11-25 04:34:49 · 5 answers · asked by Anonymous