Energy and nutrients both move through food chains. They are different, however, because nutrients are 1. lost to the atmosphere 2. recycled 3. used up 4. all of these anwers are correct​

What is the purpose of transcription? a. to copy the nucleotide in dna b. to form rna molecules from dna c. to produce a nucleic acid sequence from an amino acid sequence d. to link amino acids together to form stands of protein