PLEASE HURRY Which of theses is true about the total amount of energy in a closed system

Decreases
Destroyed and created
Increases
Remains the same

The smallest parts of these that retain their original properties are called

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation

The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle