Which of the following is not an aspect of good internal control?

a) performance of audits

b) assignment of responsibility for each duty to a large number of employees

c)use if reliable employees

d)clear authorization of transactions

A tumor, or mass of cells, formed of these abnormal cells may remain within the tissue in which it originated (a condition called in situ cancer), or it may begin to invade nearby tissues (a condition called invasive cancer). An invasive tumor is said to be malignant, and cells shed into the blood or lymph from a malignant tumor are likely to establish new tumors (metastases) throughout the body. Tumors threaten an individual's life when their growth disrupts the tissues and organs needed for survival.

1. For Metastasis to occur several things must happen state them all;

2. Explain the canonical mechanism of cancer

3. Explain the epigenetic changes of cancer;

4. Mention three advantages of unicellularity.

5. Mention three disadvantages of unicellularity.

6. Mention any two advantages of multicellularity.

7. Mention any two disadvantages of multicellularity.

8. Differentiate between unicellular and multicellular organisms.

9. What is the significance of modern cell theory?

10. What do you mean by cellular totipotency?

11. What does the cell theory state?

12. What are the fundamental features of the cell theory?

13. What does the cell doctrine or modern cell theory or cell principal state?

14. What are the objections of modern cell theory?

15. Mention some methods where cellular totipotency is being extensively used.