Since you provide no options, here are the usual parts of scientific method :
- Idea / question which answer you want to find out
- Research , collecting all kinds of data
- Hypothesis , an explanation that is made at the starting point, before the experiment
- Experiment , to find out whether your hypothesis is right
- Analyze the data that you got from the experiment
- Conclusion, your final judgement based on the result of your experiment
The type of solution that would cause a bacterium with a weak or damaged cell wall to burst as water moves into the cell is a hypotonic solution.
When a bacteria with a weak cell wall is kept in a hypotonic solution, the concentration of the water outside the cell is large, and within the cell it is low. This concentration gradient of water forces the water from the outside to exert force onto the cell wall. If the cell wall is weak, then the water rushes in bursting the cell.
PCR, or polymerase chain reaction is used to take a section of dna and force it into a - millions of identical copies of a DNA fragment
PCR (Polymerase chain reaction) - It is defined as a technique that is used to make millions of identical copies of a DNA fragment in a few hours. This technique is commonly used for a variety of applications like- genotyping, cloning, mutation detection, sequencing, micro arrays, forensics, and paternity testing etc.
