Biology - October 2007

I've got science homework due tomorrow: I need help to get that question answered. I'd also like to know just how one can find out how many chloroplasts are in an Elodea leaf to begin with. I will be using a Compound Light Microscope to view samples.

2007-10-30 16:37:36 · 1 answers · asked by Anonymous

2007-10-30 16:15:44 · 4 answers · asked by Kay-Kay Maddry Catz S 1

2007-10-30 16:13:47 · 26 answers · asked by Anonymous

2007-10-30 16:07:53 · 1 answers · asked by Kay-Kay Maddry Catz S 1

2007-10-30 16:06:22 · 3 answers · asked by Kay-Kay Maddry Catz S 1

2007-10-30 16:04:36 · 11 answers · asked by Cordy 2

PLEASE HELP! Thanks.

2007-10-30 15:52:49 · 2 answers · asked by Kay-Kay Maddry Catz S 1

The hornless condition in cattle is dominant over horned. A cattleman hasd a herd of hornless cattle only, but some horned cattle occasionally appear. These are removed from the range before they can produced. Assuming that this man has good fences that can keep out stray bulls, how could this be explained?

2007-10-30 15:27:00 · 5 answers · asked by Anonymous

Without Oxygen, a cell can only extract a net gain of only________ molecules of ATP.

2007-10-30 15:24:24 · 4 answers · asked by Anonymous

A short-haired tom is mated with angora femalee. She bears 8 kittens, 6 short-haired and two with long hair. How do these numbers compare with the expected ratio? If you mated these same cats four more times and obtain a total of 40 offsprings, would you expect the results to be a closer approximation of the expected ratios?

2007-10-30 15:22:56 · 5 answers · asked by Anonymous

Explain how carrier proteins help in facilitated?

2007-10-30 15:21:56 · 4 answers · asked by RJ 2

What is cytolysis & what causes it?

2007-10-30 15:21:04 · 2 answers · asked by RJ 2

2007-10-30 15:21:02 · 5 answers · asked by Anonymous

What happens to a plant cells placed in a hypertonic solution? Name this process.

2007-10-30 15:20:07 · 4 answers · asked by RJ 2

How does a unicellular paramecium get rid of its excess water? Is energy used?

2007-10-30 15:18:09 · 2 answers · asked by RJ 2

she said that the hand sanitizer stuff for your hands are actually bad for you and that you actually need germs to surivive and that germs are good for you, that yoru body needs to be with the germs? and i was like hell no! lol??

2007-10-30 14:49:16 · 8 answers · asked by Anonymous

2007-10-30 14:44:11 · 6 answers · asked by Anonymous

2007-10-30 13:44:10 · 3 answers · asked by Anonymous

2007-10-30 13:43:11 · 2 answers · asked by buzz74us2 1

The sex ratio of newborn human infants is about 105 males to 100 females. If four infants are chosen at a time, what is the probability that

a. two are male and two are female
b. all four are male
c all four are the same sex

Someone please help it would be greatly appreciated!

2007-10-30 12:02:46 · 2 answers · asked by summitgirl06 1

I am doing a project.

2007-10-30 10:59:29 · 1 answers · asked by . 2

Does it mean that twin chicks would hatch from this egg?

2007-10-30 10:42:12 · 5 answers · asked by Alexander 6

We did a lab where we put startch in a zip lock bag and iodine in a Beaker. we but the startch in the beaker and left it for an hour. after that the startch turned black.


So these are the Questions and please explain im so confused.

Based on your observations which substance moved. the iodine or startch?


How did you determine this


What if you did the oppisite?>

2007-10-30 10:26:37 · 1 answers · asked by That/Cool/Person 2

2007-10-30 10:25:47 · 2 answers · asked by rick m 1

2007-10-30 10:22:34 · 4 answers · asked by Lana 1

2007-10-30 10:22:33 · 4 answers · asked by Jamie E 1

I need help with the analysis questions. does anyone have the answers. i really need help!

2007-10-30 10:17:30 · 3 answers · asked by Katie B 1

My boyfriend has the prettiest blue eyes and I want my kids to have them too instead of my boring brown ones. Is blue more dominant over brown or not?

2007-10-30 10:15:54 · 5 answers · asked by Anonymous

females don't have Y-DNA
Male's have Y-DNA and M+Dna but only pass on Y-DNA

2007-10-30 10:02:06 · 6 answers · asked by court_billy01 1

Pedigree analysis

Biochemical analysis

Somatic cell genetics

Behavioral analysis

Karyotyping

2007-10-30 09:59:52 · 6 answers · asked by saguaronest 2