The normal function of a tumor suppressor gene is A. To promote growth signals B. To cause the cell to move faster through the cell cycle C. To include programmed cell death D. To code proteins that slow or stop the cell cycle

Explanation:

Tumor suppressor genes are genes that code proteins to slow down or stop cell division. This is because if the cells divide uncontrollable, it will lead to cancer and if tumor suppressor gene is activated it will help to slow down or stop uncontrollable cell division. It is also called anti oncogene and it repair DNA mistakes and tell when cells should die.

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.