Answer: James Watson and Francis Crick
Explanation:
In 1953 James Watson and Francis Crick are responsible for determining the structure of DNA. James and Watson proposed that the DNA is made up of a double polynucleotide chains that are twisted around each other to forming a helical structure. The two DNA chains runs anti-parallel in opposite direction to each other. Like the structure of the ladder.
The answer is James Watson and Francis Crick
This is a false statement
Gaseous exchange..............
Iodine, like all other minerals, is required in considerable quantity in the body. The function of iodine is that it is necessary for proper metabolic function in an animal.
The lack of iodine in a mammal will cripple the physical and metabolic functions and causes developmental delays in the mammal.
