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Title: Biology of grade 9
Description: My notes are very short and important for grade 9
Description: My notes are very short and important for grade 9
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DNA
DNA, deoxyribonucleic acid, is the genetic material in your cells
...
He called this process transformation, as something was
“transforming” the bacteria from one strain into another strain
...
They then mixed the heat-killed S-strain bacteria with the
harmless R-strain bacteria
...
This ruled out proteins and RNA as the genetic material
...
However, when
the researchers inactivated DNA in the S-strain, the R-strain did not
transform
...
In other words, DNA
is the genetic material
...
Viruses are not made of cells
...
To reproduce, a virus must
insert its own genetic material into a cell (such as a bacterium)
...
The
researchers used different radioactive elements to label the DNA
and proteins in viruses
...
DNA was the molecule
they identified
...
Title: Biology of grade 9
Description: My notes are very short and important for grade 9
Description: My notes are very short and important for grade 9