3 sites in a ribosome:
The charged tRNA first enters the ribosomal A site...then moves to the P site and finally to the E site.
Because they only ask for 2 I would say A then P.
Answer:
tell the teacher immediately
Answer:
a. The maternal copy of UBE3A is expressed and the paternal copy is silenced.
Explanation:
When UBE3A chromosome is in neurons, paternal allele is silent and maternal allele is expressed in process of genomic imprinting. In some cases UBE3A is expressed from both paternal and maternal chromosomes. The paternal chromosome is blue whereas maternal chromosome is magenta.
The answer is B since you have to be able to prove/elaborate on the topic sentence