Plants use nitrogen for <u><em>making protein</em></u> since proteins are rich in it because of the amino group of the amino acids.
Answer:
50% chance of their son being colorblind
Explanation:
A Punett square for the man’s mom and dad shows that he definitely has colorblindness and his genotype is XcY
A Punnett square for the woman shows she is a carrier for colroblindness and her genotype is XcX
The chance of having a son is 50% and the chance of that son having colroblinness is 50%
If a star is located 100 light years from earth the light will tack 100 years to reach earth I hope I helped you and good luck
All organisms are composed of one or more cells
Cells are the basic unit of structure and function in a living organism
Cells come only from the reproduction of existing cells
