At about day 14 of the
menstrual cycle, a mature ovum is released in a fallopian tube. This process is
known as:
<span>During day 14, ovulation occurs but it can also happen
earlier or later than that. Ovulation happens when an egg is released from your
ovaries and sometimes two eggs are released and not just one.</span>
You have to first make some observations and then ask a question. Then you make a hypothesis (or guess) what the answer is - do the experiment to see if you're right!
The protein in the question can be referred to enzymes since its made of protein. The first statement is the answer