Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Explanation:
Macrophages (histiocytes) - are phagocytes - these cells 'eat' particles such as bacteria. These cells are derived from white blood cells called monocytes (see the section on blood).
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B. Golgi Apparatus.
All eukaryotes have a Golgi apparatus though not all have the other organelles named above. They all have it because of it's indispensable function, transportation of lipids and the preparation for secretion an secretion of proteins.
The other part mentioned have important functions but that varies from cell to cell according to their functions.
Hope it helped,
BioTeacher101
Scholarly. Scholarly peer review (also known as refereeing) is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal, conference proceedings or as a book.
