Water is the most abundant molecule in the Earth’s atmosphere is false.
Uranium is not a fossil fuel.
Answer:
ATP and dATP
Explanation:
In the R1 subunit of ribonucleotide reductase, molecules that binds the site regulating overall ribonucleotide reductase activity include both ATP and dATP. In addition, binding of ATP can activate ribonucleotide reductase and the binding of dATP deactivates ribonucleotide reductase.
Answer:
Option (B).
Explanation:
Heart is the main pumping organ of the body. The human heart is divided into four chambers that are right atria, right ventricles, left atria and left ventricles.
The left and right ventricles can easily be distinguished on the basis of their thickness. The right ventricle is less thicker than left ventricle. The thickness of right ventricle is 9mm whereas the thickness of left ventricle is around 40mm.
Thus, the correct answer is option (B).
