Correct me if i'm wrong i think the best answer would be d. the cow uses all of the corn's energy for life processes.
How would u approach the first one, #54
The tRNA molecule determines the type of amino acid!
A psychological disorder or a mental disorder is compose of behavioral and psychological symptoms impacting on areas of one's life causing further problems. When a psychiatrist like Dylan works on the causes of the disorder such as chemical imbalances, he is now working on the Biological perspective of the treatment.