NONSENSE mutation, NOT MISSENSE mutation causes premature chain (protein) termination.
Missense mutation is simply a kind of point mutation where a single nucleotide is changed to cause substitution of a different amino acid, thus resulting in a non-functional protein.
So, non-functional protein is caused by missense mutation making the statement false
The definition of calories is a measure of energy in food, specifically the measure of heat needed to raise a kilogram or a gram of water by one degree Celsius.