Biotechnology Engineering (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

The vector DNA contained a sequence recognized by Smal that cuts the sequence CCC/GGG. This enzyme was first one to be discovered. You are asked to clone a gene of your interest so that a foreign gene is inserted at different site within this palindrome sequence. You were lucky to find out that another enzyme that was discovered much later named Xmal, cuts this DNA between C/CCGGG,such groups of enzyme were called as .