Anyone who calls it sexual intercourse can't possibly be interested in actually doing it. You might as well announce you're ready for lunch by proclaiming, I'd like to do some masticating and enzyme secreting.
— Allan Sherman

During my early years at Minnesota I conducted an evening enzyme seminar.
— Paul D. Boyer

These studies resulted eventually in a complete sequence analysis of the complex from several species, and in the atomic resolution structure of the F catalytic domain of the enzyme from bovine mitochondria, giving new insights into how ATP is made in the biological world.
— John E. Walker

A key issue in developmental biology at that time was the problem of how cells underwent differentiation, with most workers concentrating on explanations in terms of changes in enzyme and gene regulation.
— Paul Nurse