Take the course which you wish to study. Don't hear what other persons saying..Because its you the person to study. As you are now doing B.sc Biochemistry,I think its better for you to pursue M.Sc biochemistry as its continuation. Doing integrated M.sc- Ph.d in biochemistry is also a good option for those interested in teaching...If you are interested in teaching you can select it as your career path and pursue this course...All the best. For details about Biochemistry click here