Answer:
Friedrich Miescher was the one who studied all about RNA.
Explanation:
<span>The answer is A. Food has been, since the emergence of life
on earth, the first source of energy for organisms. This energy was harnessed through
respiration to enable growth and development, movement and also provide heat. Ancient
humans then discovered fire and also harnessed its energy to cook food (making food
easily digestible) and also warming themselves during winter. </span>
Genetical experiments suggest that traits acquired during a person's lifetime are not inherited as proposed by Lamarck's theory that traits acquired or changed over an individual's lifetime could be passed on to its offspring. Through experiments, scientists through many observations and real examples that changes that often occur in an animal's life are not passed down to it's offspring.
