Breaking down material such as rocks and wood
Answer;
DNA replication is semi-conservative.
The meselson-stahl experiment supported the hypothesis that DNA replication is semi-conservative.
Explanation;
The Meselson-Stahl experiment was an experiment by Meselson and Stahl that proved that the semi-conservative model by Watson and Crick was correct.
DNA replication is semi-conservative in the sense that the new helices formed after replication contain, one new DNA strand and one old strand from the parent DNA molecule.
A cell respires a concentration of glucose and oxygen inside the cell and these substances move inside the cell. Finally, as carbon dioxide is produced and the concentration of the cell increases amidst the surrounding blood, carbon dioxide diffuses out of the cell.
1. Plant cells have a cellulose cell wall
2. Plant cells have a vacuole containing cell sap
3. Plant cells have chloroplast