
Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson
النسخة 1الرقم المعياري الدولي: 9780030651786
Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson
النسخة 1الرقم المعياري الدولي: 9780030651786 تمرين 31
DIRECTION S: Choose the letter of the answer choice that best answers the question. Pre-mRNA contains which of the following?
A) exons only
B) introns only
C) both introns and exons
D) neither introns nor exons
A) exons only
B) introns only
C) both introns and exons
D) neither introns nor exons
التوضيح
Pre-mRNA is not used for protein product...
Holt Modern Biology 1st Edition by John Postlethwait ,Janet Hopson
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