Biology - March 2007

Ive been given so many different answers, do you know?

2007-03-23 10:31:18 · 5 answers · asked by Manuel J 1

a. The elephant has many more cells of similar size to the mouse's.
b. The elephant has the same number of much larger cells.
c. No one has ever seen a mouse or an elephent's cells.
d. Because the cell thoery is a thoery, we can never be sure there are cells.

2007-03-23 10:21:29 · 11 answers · asked by Tony 1

a. chromosomes
b. genetic material
c. plasma membranes
d. cytoplasm
e. mitochondria

2007-03-23 10:02:52 · 10 answers · asked by Tony 1

a.) bitter
b.) sweet
c.) sour
d.) umami

2007-03-23 10:00:43 · 2 answers · asked by AJ 2

A. True
B. False

2007-03-23 09:59:12 · 4 answers · asked by Tony 1

a. more DNA
b. linear DNA
c. larger cells
d. compartments
e. less complex cells

2007-03-23 09:57:14 · 5 answers · asked by Tony 1

2007-03-23 09:34:02 · 10 answers · asked by Anonymous

I was doing a project on it and was just wondering, or would the red and greens and other colours just look like grey ?

2007-03-23 09:28:43 · 11 answers · asked by VMars 2

the effect of vitamins or the effect of deficiency or something

2007-03-23 09:20:42 · 1 answers · asked by emperor_cyrus77 2

I'm doing a project in school. I have to make a family tree of three generations and make each person. List which are dominate and which are recessive:

-cleft chin
-dipped down hair-line
-dimples
-hair on fingers
-attatched ear lobes


Thanks!!!

2007-03-23 09:18:06 · 5 answers · asked by *~<3~* Дпﺃмдℓ ℓo٧ε٢ *~<3~ 3

Ofcourse there are good looking people who get cancer, and genetic diseases, but do you think good body symmetry, is natures way of saying i look good on the outside, cuz im also good genes on the inside?.

2007-03-23 08:43:15 · 3 answers · asked by EastCoast 1

Which of the following is the dominant force at the venous end of the capillary?

capillary oncotic forces
capillary hydrostatic forces
interstitial hydrostatic forces
interstitial oncotic forces
all forces are equal at the venous end of the capillary

2007-03-23 08:17:38 · 2 answers · asked by sanaq_99 1

I read in Psychology Today (Feb 07) that, according to research, exposure to testosterone in the womb manifests through finger size; exposure to high levels appears as the ring finger being longer than the index finger, and exposure to low levels appears as the index finger being longer than the ring finger.

What are the biological mechanisms that would make this happen?
If you do not believe this conclusion, why not? Do you have information to discredit this conclusion? If yes, what is it?

2007-03-23 08:10:53 · 2 answers · asked by Anonymous

Olfactory cells and taste buds are normally stimulated by:?
1. movement of a cupula
2. the movement of otoliths
3. stretching of the receptor cells
4. substances in solution

I think I have it narrowed down to 3 or 4, can someone help? Thanks.

2007-03-23 07:47:39 · 5 answers · asked by cassandra 2

17. Explain why animal cells do not burst due to osmotic pressire

2007-03-23 07:47:11 · 5 answers · asked by cherryvalley2006 2

The experiment conducted used beetroot to see what varying concentrations of alcohol would do to the cell membrane. I used discs of 8mm and went up by 20% each time with the ethanol concentration. Also how does this effect the proteins within the cell membrane and also what part do enzymes play in the breaking down of the cell membrane?

2007-03-23 07:42:18 · 1 answers · asked by Anonymous

18. Describe the events the result in teh formation of two complete nuclei in a eukaryotic cell.

2007-03-23 07:40:40 · 2 answers · asked by Anonymous

Can someone please answer this question

1. What are the names of the phases of mitosis and meisosis?
Phases of Mitosis:
Pases of Meiosis:

2. Why is replication of the chromosome necessary in mitosis?

3. What kind of specific cells are made during meioosis?

4. Cells made during mitosis are promarliy used for what kind of reproduction?

5. In humans, mitosis makes cells that have ________pairs of chromosomes. Is it 20? 46? 40? or 23?

6. Label wether the following are homozygouse (Ho) or heterozygous (He) AND if they are dominant (D) or recessive (R).

2007-03-23 07:40:13 · 5 answers · asked by p r i n c e s s 1

i have no idea on how this works just asking if it is possible, they say if it is possible man would do it, i was wondering this incase a depressed or a mad crazy biologist has this capability

2007-03-23 07:32:54 · 6 answers · asked by Anonymous

2007-03-23 07:29:44 · 8 answers · asked by Chris 6

or would you be that different person

2007-03-23 07:28:08 · 6 answers · asked by Anonymous

Do the Lymphatic vessels form a closed loop of circulation?

2007-03-23 07:18:42 · 2 answers · asked by mrkittypong 5

2007-03-23 07:16:47 · 7 answers · asked by kool_ghee 1

The thymus secretes

a. T3

b. T4

c. thymosin

d. both a and c

I know it secretes thymosin, and I know it produces and mutures Tcells but does it "secrete" them?

2007-03-23 07:16:38 · 4 answers · asked by mrkittypong 5

1. A widow's peak
2. blonde or brown hair
3. webbed feet
4. a height of more than 5'9 or less
5. blue or brown eyes

Please specify which you have from each.

2007-03-23 07:11:29 · 24 answers · asked by brandys_peep 2

Our dog brought home a bone that looks like part of a vertebrate (about 4.5 inches X 6 inches) but not sure. I don't have a blog but I could e-mail some pictures if anyone can help id it?

2007-03-23 07:11:09 · 4 answers · asked by kurtsbug 1

1. movement of a cupula
2. the movement of otoliths
3. stretching of the receptor cells
4. substances in solution

I think I have it narrowed down to 3 or 4, can someone help? Thanks.

2007-03-23 07:09:50 · 1 answers · asked by cassandra 2

2007-03-23 07:08:40 · 7 answers · asked by Anonymous

What is Hemophilia

2007-03-23 06:58:57 · 9 answers · asked by Anonymous

Which of the following is a correct statement?

Vasodilation increases resistance and increases blood flow through a blood vessel.
Vasodilation decreases resistance and increases blood flow through a blood vessel.
Vasoconstriction decreases resistance and increases blood flow through a blood vessel.
Vasoconstriction increases resistance and increases blood flow through a blood vessel.

2007-03-23 06:38:59 · 3 answers · asked by Anonymous