Yes. Follow Chagaff's rule
a Purine always pair with a pyrimidine
simply, A pair with T
C pair with G.
It is very true that masculinity and femininity are very strongly dependent on the society in which these terms are used. While there are genetic differences underlying the phenotype of being more masculine (having a bigger jaw, more hair on the body), there are also a lot of societal factors determining what is considered to be masculine and what feminine in a society.
I believe the correct answer would be : D. Keratin
I hope that this helps you !
The Solar System. Contains of the Sun, the planets, and other things orbiting the sun<span />
A. they divide in two
i dont know b sorry
