Companies are not required to notify the Director General of a merger but generally do so. He conducts a preliminary investigation into qualifying mergers and then advises the Secretary of State on whether to refer them to the MMC for further investigation and a report. Only a small minority of mergers examined is referred. If the Director General advises reference to the MMC, the Secretary of State may invite him to seek undertakings from the merging companies as an alternative.

1. What is a cytoskeleton? What are its main components in animal cells?

2. What substances are microtubules made of? What structures and cellular processes are microtubules involved in?

3. What substances are microfilaments made of? What properties of these elements give motility to cells?

4. What are cell movements? What causes these movements?

5. What are cilia and flagella? How do these structures produce movements? What are some examples of ciliated and flagellated cells in humans?

6. How does amoeboid movement occur? What are examples of organisms and cells that use this type of movement?

7. What are some examples of movement produced by the contraction of the sarcomeres of muscle cells?

8. What is cyclosis?

9explain all the answers

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