Which statement about telomeres is correct?
1 )
They allow cells in culture from any age of donor to divide a fixed number of times.
2 )
They are genes which are present on the $5'$ end of every chromosome.
3 )
They are unpaired regions of DNA on the $3'$ end of every chromosome.
They prevent introns and exons being lost from genes during cell division.
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...