Biology - March 2007

so if you know any of the anwsets feel free to leave'em for some points!

1. In DNA, which chemical element is present in base but not in sugar? _________
2. What is the full name of a sugar in DNA? _________________________
3. Who discovered double -helix structure of DNA?_____________________
4. Isotope of which chemical element was used by Hershey & Chase to label protein in the capsule of T2 phage?_____________
5. Which Chemical Element is present in DNA but not in proteins?___________
6. Which of carbon atoms in a nucleotide are connected to the same oxygen atom?____________
7. Which of carbon atoms in a nucleotide are connected to a phosphate? _______
8. Which of carbon atoms in a nucleotide is connected to a nitrogenous base?_________
9. Which base pairs with adenine in DNA? (full name, please) _________________

2007-03-26 11:52:57 · 2 answers · asked by ...confused.. 1

My science fair project this year is titled 'Potty Mouths' and I am moving on to state. It was advized that I see other people's results so that I can create a report to go with my project. Any results would really help at this point. Also, if you know any sites where I could find information on this topic, that would be great as well. Thank you, as always!

2007-03-26 11:46:56 · 5 answers · asked by Caitlin 2

2007-03-26 11:45:21 · 1 answers · asked by Rebel Rasta 1

Which two bases are the purines and which are the pyrimidines? What pairs with what?

2007-03-26 11:21:00 · 5 answers · asked by Mickyfoe 1

We think that we are changing the environment, causing extinctions and so forth. Is it true? Intelligence has existed for a very short period of time. A Million years from now, could you even tell we were here? If we get truly harmful to our planet, will it shake us off like fleas from a dogs back? Or have our vaunted big brains truly given us complete control?

2007-03-26 11:15:09 · 3 answers · asked by kurbet5000 2

This is a question that needs to be answered with accurate info plz...

2007-03-26 11:03:37 · 1 answers · asked by cowsrulecanada 2

What is the function of the external nares on a frog?

2007-03-26 11:00:40 · 1 answers · asked by maddie 2

Can you use a punnet square to discribe hemophilia? Please leave me an answer!

2007-03-26 10:52:37 · 5 answers · asked by Anonymous

2007-03-26 10:46:06 · 1 answers · asked by KK 2

Please explain well cause i have a test! ! !

2007-03-26 10:40:56 · 4 answers · asked by Anonymous

a) multiple alleles b) pleiotropy c) incomplete dominance d) dominance

2007-03-26 10:37:09 · 4 answers · asked by kimzzz 1

a).25 b).50 c) .75 d)1.00

2007-03-26 10:34:35 · 6 answers · asked by kimzzz 1

2007-03-26 10:32:45 · 2 answers · asked by Anonymous

a) true b)false

2007-03-26 10:31:07 · 2 answers · asked by kimzzz 1

I have a 3D DNA model that is due on Friday... what should i make it out of? It can be made out of anything, unless it is immoral or illeagal.

2007-03-26 10:27:58 · 2 answers · asked by Kylie F 2

I know you can die from too much water, how much would you have to drink?

And can you dilute the acid in your stomach with water alone? How much would you have to drink to get the job done?

2007-03-26 10:19:25 · 1 answers · asked by Psychedelic Worm 3

this is for biology projet. Please help!!!

2007-03-26 10:07:56 · 3 answers · asked by Anonymous

a. cancer
b. diabetes
c. death
d. insensitivity
e. high productivity
f. farming

2007-03-26 09:57:25 · 6 answers · asked by Tony 1

a) down's syndrome b) cystic fibrosis c)hunington's disease d) phenylketonuria(pku disease) e)none

2007-03-26 09:54:01 · 4 answers · asked by kimzzz 1

a. Yes, all the time for growth and replacement.
b. No, you are born with so many cells and that's it.

2007-03-26 09:52:21 · 6 answers · asked by Tony 1

a.All the cells of a multicellular organism, like yourslef, have the same genetic information in them.
b. Most of the cells of a multicellular organism are produces by cell division that makes 2 identical daughter cells.
c. Reproducation of bacterial cells happens by exactly the same process as reproduction of eukaryotic cells.
d. Eggs and sperm have hald the genetic information that is in other body cells.

2007-03-26 09:50:49 · 1 answers · asked by Tony 1

Related to taxonomy.

2007-03-26 09:44:49 · 15 answers · asked by Anonymous

2007-03-26 09:39:04 · 1 answers · asked by HookEmHan 1

a. one
b. none
c.hundreds
d. 3 to 5 trillion

2007-03-26 09:34:11 · 3 answers · asked by Anonymous

a. a bacterial cell
b. a cold virus
c. a seed
d. a gnat

2007-03-26 09:32:25 · 8 answers · asked by Anonymous

a. bacteria
b. plants
c. fungi
d. viruses

2007-03-26 09:30:57 · 5 answers · asked by Anonymous

A creature is dark brown and has dark brown young. Another of the same creature is green with green young. A man crossed the two to produce heterozygotes. 32 offspring has these colors:
18 dark brown
6 red
6 green
1 yellow

1) How many pairs of genes (not alleles) control color?

2) Write the genotypes for original strains and make a Punnett square for heterozygotes cross. ( an explanation is all I need)

I don't know how to do these complex ones..

2007-03-26 09:30:07 · 2 answers · asked by Anonymous

a. fungi
b. animals
c. bacteria
d. plants
e. they all have cells

2007-03-26 09:29:37 · 6 answers · asked by Anonymous

a. none
b. thousands
c. trillions
d. one

2007-03-26 09:27:56 · 8 answers · asked by Anonymous

a black lab has puppies. she has 9 black w/black nose, 3 black w/pink nose, 3 white w/black nose and 1 white w/pink nose. The 1 white w/ pink nose dies


what is the type of cross?
I put dihybrid, is that correct?

suggest an explanation for the death of the puppy.


I have no clue here...why would it die?
Ex

2007-03-26 09:25:41 · 2 answers · asked by Anonymous