Stay tuned, we'll provide a detailed analysis of the question paper, along with student’s reactions and feedback on the exam's difficulty level. Shalini Almadi, PGT Biology, Vidyagyan School, ...

but they did not identify and isolate restriction enzymes until the late 1960s. 3 In 1970, Hamilton Smith and Kent Wilcox from Johns Hopkins University discovered “endonuclease R” (later named HindII) ...

This year’s Chemistry HKDSE exam incorporated more diagrams in the questions than previous years, but the level of difficulty was similar, Chemistry teachers said. "About 13,000 candidates took ...