Match the followingt 1. molecules that are made by living organisms; molecules that make up living organisms enzyme 2. structure found in the cell that contains tightly wound strands of dna proteins 3. deoxyribonucleic acid is the carrier of all genetic information; the main component of chromosomes and contains all the instructions necessary for structure and function in an organism biological molecules 4. a biologic catalyst, usually made up of protein, which aids with chemical reactions in the body dna 5. important biological molecules with a complex folded structure chromosome

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

i thinking chemical change

1) a

2)c

3)a

4)c

5)b

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