Answer:
2) JG cells are present in the vasa recta.
Explanation:
The vasa recta is a web of the blood capillary which supply blood to the medulla region of a kidney due to its high permeability of solutes and water. It runs parallel to the loop of Henle. It does not composed of the juxtaglomerular cells (JG cells). The juxtaglomerular cells (JG cells) present in kidney which synthesise and stores enzyme renin. Thus, option 2) JG cells are present in the vasa recta is not a true statement.
Answer:
I think the right option is D.
Skin cancer develops because of damaged DNA. DNA is the main molecule that directs and controls every cell in the body. Cells lose control because damaged DNA and they become cancerous and mutations of DNA can also be inherited.
Exposure to ultraviolet light can damage the DNA which is in skin cells and thereby increase person's risk for both non-melanoma and melanoma skin cancer.
Ultraviolet is invisible radiation which is from the sun and can damage DNA. Cells of the skin are susceptible to DNA change because of frequent exposure of ultra-violet.
The three types of Ultraviolet radiation are A, B, and C. They are dangerous and can penetrate the skin cells. UVA is common on earth and its harmful to the skin. UV B is less common because is absorbed by the ozone layer the same case applies to UV C.
Answer:
b just go with your gut 54