Up late at night with your essay due tomorrow morning and you are out of ideas to write about? Don't worry, EssayZoom is here!
We have a database of over 40,000 essays that are available immediately for you to search and print. Get enough examples and ideas
from tens of thousands of other writers to make your own term paper stand out above the rest of the class. Join now
for instant access to the essays
Here is a short summary of the essay
|
DNA
Beginning of Essay
Deoxyribonucleic acid and ribonucleic acid are two chemical substances involved
in transmitting genetic information from parent to offspring. It was known early
into the 20th century that chromosomes, the genetic material of cells, contained
. In 1944, Oswald T. A .... Middle of Essay
.... The first is a sugar called deoxyribose.
Attached to one end of the sugar is a phosphate group, and at the other is one
of several nitrogenous bases. DNA contains four nitrogenous bases. The first two,
adenine and guanine, are double-ringed purine compounds. The others, cytosine
and thymine, are single-ringed pyrimidine compounds. (Miller, 141) Four types of
DNA nucleotides can be formed, depending on which nitrogenous base is involved.
The phosphate group of each nucleotide bonds with a carbon from the deoxyribose.
This forms what is called a polynucleotide chain. James D. Watson and Francis
Crick proved that most DNA consists of two polynucleoti ....
| Membership Type |
Price |
Instant Access |
| 30 days (recurring) |
$19.95 |
| 90 days (recurring) |
$39.95 |
| 180 days (non-recurring) |
$69.95 |
|
|
|
Words: 1416 - Pages: 6
|
