Biology - November 2007

Can anyone tell me why mutations that occur in an organism's cells not passed on to their offsprings? Urgent!! A million thanks to anyone who answers my question..lol

2007-11-20 22:50:37 · 3 answers · asked by 5-1=4 2

What are examples of changes/proof of vertebrates moving from the water to to terrestrial life?

2007-11-20 22:30:31 · 5 answers · asked by youspinmerightround 2

To day i got a sample of news on the tree man.
whose body parts have wood and bark.
If u know any information about this person from any where plese inform me.

2007-11-20 22:05:58 · 13 answers · asked by sangeeta iyengar 2

2007-11-20 21:45:06 · 4 answers · asked by youspinmerightround 2

2007-11-20 19:06:56 · 10 answers · asked by Anonymous

I was thinking the other day about how much obesity there is in the US and stuff and this random thought occured to me:
If people continue eating so much junk food, would it be possible that someday we could evolve so that our bodies would be better adapted for this kind of food and it would actually be GOOD for us?

I really know pretty much nothing about evolution, could you help me out?

2007-11-20 17:20:05 · 10 answers · asked by !!! 2

Indicate the frequent genorype among them.

a. AABB x aaBB

b.AaBB x AABb

c. AaBb x aabb

d. AaBb x AaBb

2007-11-20 17:19:41 · 3 answers · asked by Azumi 2

Is this how the jews lf old lived hundreds of years (supposedly), or how "miracle" healing occurs?

2007-11-20 16:02:40 · 3 answers · asked by Anonymous

2007-11-20 14:49:32 · 3 answers · asked by Sleepyguy 4

2007-11-20 14:44:13 · 1 answers · asked by Jesse 1

I recently did an experiment and It was affecting the temperature on enzyme activity. one would expect that the graph would increase and then hit a point of denaturation and then decrease. This happened excpet for at the point of 40 C it decreased slightly and then increased again. What could be the cause of this?

2007-11-20 14:42:53 · 2 answers · asked by Anonymous

a. amylase
b. bicarbonate
c. mucins
d. water
e. all of these

i think its either A or B

2007-11-20 14:33:53 · 3 answers · asked by Anonymous

If you please can help me answer these questions, it would be really nice. I always get so confused with these so finally knowing a bit would be terrific. Thank you! l:D.

Two black female mice are crossed with the same brown male mouse. Based on the information shown in the table below, answer the following questions:

My questions are:

a. What are the genotypes of each parent?
b. Which trait is dominant?
c. Is the dominance of the trait in (b) completely dominant, incompletely dominant, or codominant? Explain your answer.

2007-11-20 14:33:28 · 2 answers · asked by Addie M. 1

a. blood vessels to contract
b. capillaries to lose their permeability
c. an outward flow of fluids from the capillaries
d. a destruction of mast cells.
e. an opening of the area of infection, through which the body's defense system can enter.

i think its A

2007-11-20 14:24:32 · 1 answers · asked by Anonymous

QUICKLYY!!!!

2007-11-20 13:21:13 · 2 answers · asked by ~unused~ 2

Let's face it:

At the rate that we're going, we are likely to lose about 50% of all species on earth are going to die by the end of the 21st century.

This figure will only increase as the earth warms up.

Is this a mass extinction that we humans have brought about on this earth?

Undoubtebly, events like the formation of the isthmus of panama about 3 million years ago, and the ice ages have had their effects, but we humans are now the dominant force in this.

Your thoughts?

2007-11-20 13:16:08 · 4 answers · asked by ch_ris_l 5

2007-11-20 12:39:27 · 4 answers · asked by AMTRAK 2

2007-11-20 11:35:45 · 4 answers · asked by frankie c 2

If they all have the same DNA, how do they figure out what to become

2007-11-20 10:55:39 · 2 answers · asked by Jason 2

2007-11-20 09:51:47 · 27 answers · asked by Anonymous

2007-11-20 09:41:20 · 2 answers · asked by Ayomide B 1

If yes, then how would this affect their research?

If no, tell me HOW we KNOW that they are not emotionally attached to their theories.

2007-11-20 09:07:37 · 8 answers · asked by Jack 5

2007-11-20 07:54:41 · 13 answers · asked by Anonymous

2007-11-20 06:15:48 · 1 answers · asked by xxxstarswirl 1

I want to say male? But this question confuses me. Thanks

2007-11-20 06:12:31 · 3 answers · asked by xxxstarswirl 1

2007-11-20 06:09:18 · 3 answers · asked by helenwang123 2

If so, how would this affect their research?

If not, how do we KNOW they are not?

Love Jack

2007-11-20 05:21:53 · 5 answers · asked by Jack 5

like jurassic park or would you be against it?

2007-11-20 04:29:12 · 3 answers · asked by Shadow 4

2007-11-20 01:56:58 · 3 answers · asked by science guy 1

2007-11-20 01:40:50 · 11 answers · asked by L B 1