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DNA (deoxyribonucleic acid) is one of the two types of genetic material that exists in every organism (including single-celled organisms, viruses, and bacteria), the other being RNA. One difference between the two is basically that the sugars that make them up will have a presence or an absence of oxygen (DNA lacks oxygen in its sugars - deoxyribonucleic acid), while another is that they share the same bases, except for one, which will be mentioned below.
The bases you will typically see in DNA are:
- Thymine (T)
- Guanine (G)
- Adenine (A)
- Cytosine (C)
In RNA, with the exception of uracil (which replaces thymine), all the other nitrogen bases are identical.
As a general rule - the rungs in a DNA sequence will its matched base pairs. The pairings are as follows:
- Thymine will always pair with adenine, and vice versa
- Guanine will always pair with cytosine, and vice versa.
If you break up the two rungs in a strand of DNA, each set of three or so (don't quote me on this) will form a instruction that will build a amino acid (which we know in class is the building blocks of proteins).
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What is the rflps?
Do you mean "RFLP" if so its, restriction fragment length polymorphism. (DNA analysis)
What does it mean by a fair test?
Any test administered at a fair, such as a County or State fair can be described as a Fair Test.
A typical bacterium cell can be described as?
B: a cell wall surrounding a plasma membrane filled with ctoplasm with circular DNA and inclusions, but no membrane bound organelles.
How are traits passed from parents to their offspring?
Traits are passed by DNA.
What does semi-conservative model mean?
Refers to semi-conservative replication of DNA. One strand of the old DNA is used as a template to replicate the other, new, strand of DNA. Thus you have four from two, but two of the four are old strands while the other two strands are new. Thus the name semi-conservative replication.
Was the Structure DNA first described DNA first described?
1950
DNA is described as the molecule of?
DNA is described as the molecule of heredity because it contains the genetic instructions for the development and functioning of living organisms. DNA carries the genetic information that is passed from parent to offspring, determining traits such as eye color, height, and susceptibility to certain diseases.
When was DNA structure first described?
1950
What contribution did Francis Crick make to the discover of the structure of DNA?
they described the structure of DNA
Approximately what was the structure of DNA first described?
1950
DNA can be described as a double shape?
double helix.
Can DNA be described as conservation?
DNA replication is semi-conservative. This means that each new DNA molecule has one original strand of DNA and one new strand of DNA.
What is the DNA code best described as?
A recipe for making proteins.
Who are the 2 men that first described the structure of DNA?
watson and crick
Is DNA double or single strand?
DNA is double stranded. It is described as a double helix, kind of like a twisted ladder.
What word describes the shape of DNA and RNA?
Double stranded, single stranded. DNA can be described as having a double helix structure.
Identify the two men that first described the structure of DNA?
Watson and Crick
