The immune system is the bodies defense against invaders and is located in all body tissues with concentration in the mucosal surfaces and skin.
The answer would be - It untwists the double helix and separates the two DNA strands. A helicase is an enzyme used to separate strands of a DNA double helix by breaking hydrogen bonds between annealed nucleotide bases.
When coal is burned, chemical potential energy is transformed into thermal energy, light energy, and sound energy. Therefore only the thermal energy is used for their electricity production.
Hope this helps :))
Answer:
15%
Together, adenine and thymine compose 70% of the segment. This means that 30% of the section is composed of guanine-cytosine pairs. Since these two bases will be equal in quantity, 15% of the DNA section will be cytosine bases.