Answer:
O
Explanation:
Plz mark brainliest hope it helps
Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein.
Answer:
Catabolic processes break down material and transforms fuels into cellular energy, whereas anabolic processes require energy for biosynthesis.
Explanation:
Metabolism is a constructive and destructive process which occurs in the body of living organisms. There are two types of metabolism i. e. catabolism and anabolism. Catabolism is a destructive process in which food molecules are broken down into simpler substances for the production of energy while anabolism used this energy for the formation of new cells and muscles etc.
Alleles refer to the DNA!! So B!