Biology - February 2007

Many birds have gorgeous coloration while fur bearing creatures are dull.
Why are there no brilliant blue/green/red mammals?

2007-02-25 15:08:01 · 4 answers · asked by ideapathic 2

please explain.

2007-02-25 15:07:07 · 7 answers · asked by the_lovely_morena 2

2007-02-25 14:39:41 · 2 answers · asked by freddy d 1

my following problem has something to do with Aneuploidy, Polyploidy, and/or Non-disjunction:

A normal vision woman whose father was color-blind marries a color-blind man. This couple has a color-blind son who is also mentally disabled and has poorly formed testes. Account for all phenotypes of the couple and their disabled son.

Please help. Thanks!

2007-02-25 14:37:30 · 2 answers · asked by muz53 2

2007-02-25 14:36:04 · 4 answers · asked by freddy d 1

I love being tickled to sleep and for relaxation, but not as often as I would like!

2007-02-25 14:33:31 · 16 answers · asked by zimangela 1

2007-02-25 13:49:02 · 2 answers · asked by Anonymous

Please help me put the following in the order in which they occur during Meiosis I and Meiosis II...

A. chromosomes line up in the center of the cell

B. spindle fibers pull apart homologous chromosomes

C. four haploid daughter cells form

D. Cells undergo a round of DNA replication

E. sister chromatids seperate from each other

F. Homologous chromosomes form terrads

G. two haploid daugher cells form

H. Spindle fibers attach to the homologous pairs

I. Individual chromatids move to the end of the cell

J. Crossing over occurs

2007-02-25 13:43:26 · 3 answers · asked by LIZZYYY 1

Scientists subsitute a nucleus from a frog sperm cell and no adult frog developed. Why would a sperm cell nucleus not work in this procedure?

2007-02-25 13:42:19 · 2 answers · asked by smzeldarules 2

what's the difference between a phosphorylase and a kinase? or are they different names for the same class of proteins?

2007-02-25 13:35:37 · 0 answers · asked by need help! 3

this question is related to the inside of your body such as like bacteria ETC

2007-02-25 13:24:32 · 3 answers · asked by far123 2

2007-02-25 13:22:26 · 2 answers · asked by Help! 1

Need answer for each one

1. Characteristics=

2. Habitat=

3. Food=

4. Reproduction=

5. Locomotion=

6. Impact on human=

2007-02-25 12:45:29 · 4 answers · asked by juan r 1

Need answer for each one

1. Characteristics=

2. Habitat=

3. Food=

4. Reproduction=

5. Locomotion=

6. Impact on human=

2007-02-25 12:43:38 · 4 answers · asked by juan r 1

Identify regions of the brain which have been found to grow in human adults in response to stimulation and learning.

2007-02-25 12:41:41 · 1 answers · asked by Help! 1

2007-02-25 12:37:31 · 3 answers · asked by Anonymous

It is a science assignment

2007-02-25 12:35:45 · 4 answers · asked by jay gal 3

2007-02-25 12:27:28 · 5 answers · asked by mcrlover862 1

Where did music come from in human evolution?

2007-02-25 12:27:09 · 2 answers · asked by Anonymous

I found from several sources a hand being called an organ, but I spoke to some people and they said it was not an organ but a limb. Can a hand be classified as an organ?

2007-02-25 12:26:58 · 14 answers · asked by twasbrillig 3

Whats it made of? and what does it do?

2007-02-25 12:01:45 · 2 answers · asked by Anonymous

This is the confirmation that embryonic stem cells (at least in mice) can regenerate into complete organ systems, in this case a tooth with full nerves and blood supply. Today teeth, tomorrow hearts and lungs.

2007-02-25 12:00:59 · 3 answers · asked by el cabo 2

2007-02-25 11:54:07 · 2 answers · asked by Cheez it 2

2007-02-25 11:45:43 · 2 answers · asked by moonfreak♦ 5

2007-02-25 11:43:10 · 5 answers · asked by Rose 2

have to do one page essay. need to know how each is broken down differently by the digestive system, and what chemicals break down each. have to tell how each is digested from mouth to anus.

2007-02-25 11:27:09 · 2 answers · asked by buckskinbabydoll♥ 4

Explain why this makes sense according to meiosis and fertilization.

2007-02-25 11:23:23 · 2 answers · asked by Laivwudbbetorw/omwuah 1

1. The variation in the structure of nucleotides that make up the DNA molecule

2. the type of sugars used in making the DNA molecule

3. the sequence of amino acids that make up the DNA molecule

4. the sequence of nucleotides along the length of one strand of the DNA molecule

2007-02-25 10:48:27 · 10 answers · asked by Cindy 3

2007-02-25 10:31:38 · 3 answers · asked by Heather 1

In the first two functions tell what phase of mitosis accomplishes it & how. In the second two, give examples of instances where this might be important.

2007-02-25 10:10:24 · 1 answers · asked by fgs_cjams 1