D) uracil because dna does not have uracil whilst rna does
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.
Argon (Ar) is in group 18. Argon ____.
has properties similar to other elements in group 18
does not react readily with other elements
is part of the noble gas group
The answer is b ) all three increase
Answer:
Complex is the right answer