The statement is true.
Carbohydrates are broken down in order to obtain glucose for respiration in cells. When there is an inadequate amount of carbohydrates, other macromolecules must be broken down. Excessive breakdown of fats is not possible due to the fact that it causes ketosis; therefore, proteins are broken down and the body starts to lose muscle mass.
A string of nucleotides that hold information is called a gene. :)
His body will react as if he is being starved, this causing his basal metabolic rate to drop.
The poles cannot move 10 km a year because they are connected to earth which moves way more than that