Question

How has Linda’s exposure to sun throughout her life contributed to her possible melanoma? (Hint: think about what happens to the DNA of skin cells.)

Answer 1

Answer:

Because of the UV radiations from the sun causes the damage to the DNA of the skin cells causing the formation of pyrimidine dimers and also causing inflammation and immune suppressiosn resulting in the formation of melanoma.

Explanation:

The main cause of skin cancer (melanoma) is too much ultraviolet radiation from the sun or the sunbeds.

The carcinogenic , inflammatory , immunosuppressive and DNA damaging properties of ultraviolet radiations contribute to the initiation , progression and metastasis of primary melanoma.

Melanoma usually occurs due to excessive exposure to the UV radiations in the sunlight resulting in awry in the melanin producing cells (melanocytes) that give color to the skin.

Answer 2

Answer:

Melanoma:

It is a severe case of disorder in the integumentary system by means of the skin cells. As the low amount or does of ultra violet light has greater intensity to knock down any unprotected or weak cell inside the living body. While, the cause of the cancer is the disorder caused inside normal production level of the melanocytes.

Explanation:

Cause:

When a person is exposed to a low dose of the UV lights, it may lead to the disturbance caused inside the genome of certain skin cells known as the melanocytes in general. As they are required for active pigmentation of the skin color. So, the unwanted rays of sun light causes the disturbance inside the DNA present in the cells body, while it also effects the normal cell cycle of the skin cells,due to which the melanin is not produced in a normal level leading to the skin disorder or we can simply say the skin cancer.

Symptoms:

A person at first may see the unusual skin color or pigmentation, but it can be verified whether there is any cancer present or not through various medical procedures or tests.

Treatment:

For the purpose of skin cancer treatment there are various techniques.As high dose of various medicines can also be prescribed for the purpose of treatment, along with some skin treatment cream. While, the chemotherapy is also present for having better results.