Biology - March 2007

Please state a reliable source where you got the info.

2007-03-19 18:17:49 · 2 answers · asked by just me 1

1.what is the tendency of plants to grow towards light called?
2.what is phototropism?
3.what is ethylene?
4. what is gravitropism?

2007-03-19 18:12:27 · 3 answers · asked by Nohbdy 2

since ancient time until today

2007-03-19 18:09:53 · 2 answers · asked by alain_akira03 1

Just wondering....lol :o)

2007-03-19 18:09:30 · 3 answers · asked by Lacey C 3

2007-03-19 17:29:29 · 2 answers · asked by ptamonte 1

How do the kidneys and lungs act in acid-base balance? Define respiratory acidosis/alkalosis and metabolic acidosis/alkalosis. What are their causes?

2007-03-19 17:18:09 · 4 answers · asked by kd0284 2

2007-03-19 17:17:30 · 3 answers · asked by Greg 1

2007-03-19 16:43:12 · 1 answers · asked by ibid 3

RED CELLS

2007-03-19 16:41:27 · 4 answers · asked by guitarman200020002000 1

I need information/ facts about the deadly Irukandji jellyfish that lives in Australian waters. If you have anything about them, I would really appreciate your answers.

Thank you.

2007-03-19 16:36:02 · 4 answers · asked by Diamond 3

Describe two "limiting factors" (items/substances that limit the amount of product produced in a set of reactions) that affect photosynthesis and how each would influence the rate of photosynthesis in plants.

2007-03-19 16:28:16 · 2 answers · asked by Jay 2

2007-03-19 16:27:36 · 3 answers · asked by jahsembo 1

If your cells (human and animals) are temporarily in oxygen debt, they will perform lactic acid fermentation in place of aerobic respiration---why?

2007-03-19 16:24:12 · 5 answers · asked by Jay 2

1.during the process of _________, RNA molecules are produced by copying part of the nucleotide sequence of DNA into complementary sequence in RNA.

2.The enzyme that uses one strand of DNA as a template to assemble nucleotides into a strand of RNA called_________.

3.After introns have been cut out of RNA molecules,the remaining peices called__________ are sliced together.


4.The decoding of an mRNA message into a protien is known as__________.

2007-03-19 16:18:00 · 3 answers · asked by dee_dee A 2

Some cells produce 36 ATP per glucose molecule oxidized. Others produce only 2 ATP per glucose. Why such a DIFFERENCE if all living cells require ATP to function?

2007-03-19 16:00:13 · 4 answers · asked by Jay 2

Do fully blind individuals "see" what I see when my eyes are closed? Is it possible for them to distinguish lighting such as when you look towards a bright lamp with your eyes closed?

Its impossible for me to imagine someone seeing "nothing", or is that actually the case?

2007-03-19 15:57:34 · 5 answers · asked by mike 3

I saw this TV show and someone was sticking human, tv, etc... He `s from Thailand...Ahmazing?

2007-03-19 15:50:50 · 4 answers · asked by kumho420 1

1.the principle of__________ states that hydrogen bonds can form only between certaon bases in DNA.\
2.Eukaryotic chromosomes contain both DNA and protien tightly packed together to form a substace called_______.
3.Instructions for assembling amino acids into proteins are carried in_______.

2007-03-19 15:40:05 · 3 answers · asked by dee_dee A 2

A(an)____________ is made up of three parts:a deoxyribose molecule,a phosphate group, and a nitrogenous base.

2007-03-19 15:34:15 · 9 answers · asked by fillojeta a 1

match the word to the defanition.

1.helix
2.DNA polymerase
3.histone
4.introns
5.expressed gene

a)protien that DNA wraps around un eukaryotic chromosomes.
b)sections of RNA molecules that are removed before a eukaryotic gene becomes functional.
c)shape formed by each strand of DNA
d)the principle enzyme incolved in DNA replication.
e)gene that is transcribed into RNA.

2007-03-19 15:11:07 · 3 answers · asked by fillojeta a 1

If Lamarck's hypothesis of species modification were true, the children of a person who developed large muscles by lifting weights would be born with:
a. smaller-than-average muscles
b. normal-sized muscles
c. normal-sized muscles that would become larger only if the children also lifted weights.
d. larger-than-normal muscles.

please help me on this.

thanks to everyone that helped.

also, please BRIEFLY explain to me how you got the answer and do not forget to tell me which answer you got.

example: a. smaller-than-average muscles

thanks =)

2007-03-19 15:07:09 · 2 answers · asked by Anonymous

Or are there some that code into some other things?

2007-03-19 15:01:47 · 4 answers · asked by Anonymous

please explain so that a 7th grader will understand. thanks!

2007-03-19 14:55:58 · 7 answers · asked by Ruby Georgie 3

2007-03-19 14:51:50 · 2 answers · asked by vlonghair98 1

At the last house party i was at, i was very tempted to place one short 'intoxicated' friend of mine, into a wooden box, and send him out to Silver City in Mexico- i would place air holes within the package- Is the legal? and possible? ... i am thinking 'yes, yes it is'

2007-03-19 14:50:47 · 3 answers · asked by Yayo G 1

For many years now- i have thought that incineration may be the best technique

Regards.

2007-03-19 14:48:09 · 19 answers · asked by Yayo G 1

For Example...What organs are found in the RUQ? and so on.

2007-03-19 14:41:22 · 2 answers · asked by njank99 4

better yet. what is the nonconstancy of speicies?

2007-03-19 14:40:00 · 1 answers · asked by the poo goo 2

I understand the evolutionary purpose of feeling embarrassed, but why does blood rush to our face (or in my family's case, our ears) when we feel embarrassed? I can't imagine it's to hide since you turn red!

What would it be? Social and biological answers are all welcome.

2007-03-19 14:36:05 · 6 answers · asked by Debi 3

who knows their blood type? i am AB postive.. what determines blood type? who can give to wo who can revcive from who

2007-03-19 14:24:04 · 13 answers · asked by Anonymous