Question

a. Cancer is one of the most dreaded diseases of humans. Explain ‘Contact

inhibition’ and ‘Metastasis’ with respect to the disease.

b. Name the group of genes which have been identified in normal cells that

could lead to cancer and how they do so?

c. Name any two techniques which are useful to detect cancers of internal

organs.

d. Why are cancer patients often given α-interferon as part of the treatment?​

Answer 1

ancer is one of the most dreaded diseases of humans. Explain ‘Contact

inhibition’ and ‘Metastasis’ with respect to the disease.

b. Name the group of genes which have been identified in normal cells that

could lead to cancer and how they do so?

c. Name any two techniques

Answer 2

Answer:

1. In cancer, the cells lose this property of contact inhibition and even after coming in contact with each other, they continue to proliferate and thus lead to cancer. b. Metastasis refers to the spread of cancerous cells from one part of the body to the other. It is the most characteristic feature defining cancer.
2. Introduction to Proto-oncogenes
3. Proto-oncogenes are a group of genes that cause normal cells to become cancerous when they are mutated (Adamson, 1987; Weinstein & Joe, 2006). Mutations in proto-oncogenes are typically dominant in nature, and the mutated version of a proto-oncogene is called an oncogene.
4. Physical exam for any lumps in the body. Eg: Breast lumps.
5. Cancers can then be confirmed through biopsy of the mass.
6. Imaging techniques such as MRI (Magnetic resource Imaging) and CT scan (Computed Tomography).
7. Interferons can help cells to defend themselves against viral infection and are used in the treatment of some cancers to boost the body's ability to eliminate cancer cells.

(Please mark as brainliest)