Answer:
I intentally had an incorrect answer the right answer is subjective in case anyone needs it not bias its subjective. Explanation:
D. Proteins are composed of amino acids and determines all the structures and functions of the organism.
Your right J is sexual reproduction, and K is asexual reproduction. But sexual reproduction requires the presences of a male and a female. But other asexual reproduction doesn't, and just requires sexual maturity. They produce offspring in the form of spores for example.