Neurons have special proteins in their cell membranes that allow them to generate electric current. Are these proteins most likely produced by ribosomes on the rough ER or ribosomes suspended in the cytoplasm? Explain your answer.

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ability to bond woth oxygen

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.