There are 4 types of RNA, each encoded by its own type of gene. ... mRNA - Messenger RNA: Encodes amino acid sequence of a polypeptide. tRNA - Transfer RNA: Brings amino acids to ribosomes during translation. rRNA - Ribosomal RNA: With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.
Vertebrate Nervous Systems
Both because their can be pollution and good things
Answer:
1. Brain spinal cord 4. is ribs and nervs
Explanation: