Answer:
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Answer:
c. The harmless bacteria had been transformed.
Explanation:
Fredrick Griffith carried out the first experiment that showed bacteria can get DNA by transformation in 1928.
He used two different strains of the bacteria Streptococcus pneumoniae a)type-III-S or smooth strain-Covered by a protective polysaccharide capsule hence lethal
b) type II-R or rough strain-Lacked the polysaccharide hence non-lethal
In his experiment he observed heat killed Type-III-S strain was not able to kill the mice. However, when its remains was added with rough strain then the blend was able to kill the mice.
When he collected blood from the dead mice it had live strains of both smooth and rough type.
He came to a conclusion that non-lethal type II-R strain was transformed into lethal type II-S strain by a "transforming principle" that was supposed to be the part of dead III-S strain bacteria.
Answer:
The size of a given axis can be changed in two ways during organ development. Cells can be rearranged first. Second, cell division orientation can be regulated. As a result, genes that control the direction of mitotic spindles may play a role in organ form.
Explanation: Hope This Helps!
two molecules or moieties combine to form one single molecule, together with the loss of a small molecule. When this small molecule is water, it is known as a dehydration reaction; other possible small molecules lost are hydrogen chloride, methanol, or acetic acid.
Answer:
2) DNA Makes Up Our Body Structure Like Muscle
Explanation:
There Are Pairs In Our DNA That Determine Certain Physical Features Or Traits. ( These Are Called Gene's ) The Genes That You Have In Your Body Right Now, Makes Up Your Genotype. This Genotype Then Determines Your Physical Appearance, Which Is Called Your Phenotype!
