What happens in the ribosome during the process of translation?
- DNA replicates itself
Explanation:
The genetic information stored in DNA is a living archive of instructions that cells use to accomplish the functions of life.
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The major contribution made by Avery, MacLeod, and McCarty was 'transformation of nonvirulent cells with a DNA extract was blocked only if DNase was added'. This observation supported the idea that the transforming agent in Griffith's experiment was DNA.
The Avery–MacLeod–McCarty experiment showed that DNA was the transforming agent observed in Griffith's experiment.
Griffith's experiment (1928) suggested that bacteria were capable of transferring genetic information (DNA) by a process of horizontal gene transfer called transformation.
While the bacteria were killed by heat, Frederick Griffith observed that the DNA had was taken up by II-R strain bacteria via transformation.
Avery–MacLeod–McCarty experiment observed that protease enzymes did not destroy the transforming agent (but DNAse destroyed this transforming principle), thereby suggesting that the transforming agent in Griffith's experiment was bacterial DNA.
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The question is incomplete. The rest of the question is : Which of these is not supported by the endosymbiosis theory concerning organelles?
A) contain DNA.
B) contain ribosomes.
C) are capable of living independently.
D) are surrounded by a double membrane.
Answer:
Option C) are capable of living independently is not supported by the endosymbiosis theory concerning organelles
Explanation:
The endosymbiosis theory proves that chloroplasts and mitochondria were prokaryotic cells before due to many reasons. Some of which are:
- These organelles have their own separate DNA.
- The separate DNA present in them is capable of making their own proteins.
- They are membrane- bound organelles.
However, these organelles can now not live separately outside of the cell. This might be because of the evolutionary changes which occurred in these cells during the long period of time.
The answer to this question would be: 14%
Protein will give a calorie about 4kcal/gram. Then, the total calorie of protein from Susan meal would be: 70 grams * 4kcal/g= 280 <span>kilo calorie</span>.
To find the percentage you will need to divide the total calorie diet with the protein calorie. The calculation would be:
protein percentage= protein calorie/ total calorie
protein percentage= 280kcal / 2,000kcal = 14%