question archive 1) Give examples of uncertainty in measurement
1) Give examples of uncertainty in measurement
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1) Give examples of uncertainty in measurement.
2. What happens to field of view with increased magnification?
3. What happens to depth of field with increased magnification?
4. What is cytoplasmic streaming? How might it increase efficiency of cell function?
5. What is co-dominance?
6. What is incomplete dominance?
7. What does soap do in the extraction of DNA from cells?
8. What is a control?
9. Explain the paper bag test lipids.
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- No, measurement is 100% accurate. There is always a doubt in the measurement which shows then as plus and minus with value. Mass of a penny on a centigram balance: 3.12g (± 0.05g).
- Field of view or Fov is inversely proportional to the magnification. In more simple words. as you increase the magnify of the microscope you see more details but less of the whole microorganism. To see the whole is decrease with the increase of magnification.
- The depth of field is inversely proportional to the magnification.
- The flow of cytoplasm inside the cell is called cytoplasmic streaming and also protoplasmic streaming. It helps to regulate the distribution of nutrients inside the cell. Also support the movement of cell.
- In co- dominance both alleles have phenotype expression at the same time in the heterozygote. AB blood type is the example of co-dominance.
- In complete dominance, when the dominant allele do not mask down the recessive allele trait but instead the recessive gene also gets expression in phenotype. Flower colour of Mirabilis jalapa is pink due to the in complete dominance.
- Soaps helps to dissolve the cell membrane which is lipid bilayer.
- In scientific experiment, control is the group which is given nothing and uses as standards to compare the results.
- The paper are used to detect the presence of lipids. For example brown paper bag becomes translucent in the presence of a lipid.
