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.
B. I think correct answer
Answer:
D
Explanation:
The item labeled 2 is the cell capsule that protects the cell from engulfment by eukaryotic cell, such as macrophages.
Enhancers are eukaryotic DNA sequences that can be used to elevate transcription and have variable positions and orientations.
Answer:
We are made of primitive cells
