rRNA stands for Ribosomal RNA. rRNA is part of the ribosomes that manufacture polypeptides. Correct answer: A
These molecules form extensive secondary structures and play an active role in recognizing conserved portions of mRNAs and tRNAs and also assist with the catalysis of protein synthesis.
Answer:Today’s apples are the results of selective breeding to improve flavor, texture. This is the same technique that humans have used for thousands of years.
A cat is discovered with a very short tail. Checking offspring for short tails will <span>prove that this change was caused by a genetic mutation and not because the cat lost most of its tail at some point in its life.</span>