Molecules the Duy food molecules quickly enough to po
Homework
What will happen if there were no enzymes to aid in reactions?
References
https www. khanacademy. org science ap-biology cellular-energetics'enzyme-structur e
catalysiska enzymes-and-the-active
sited-text-Enzymes"20performº 20the%20critical%20task, processes%20take%20p
adil:
Bernard, Myrna et al (2003) Science in Daily Life Book 3 (Unit 5) Minist

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.