Preps the cell for mitosis
telophase
interphase
prophase
anaphase

Option B, interphase

Explanation:

During an interphase, the cell prepares itself for mitosis. There are basically three sub phases in the interphase –  

a)G1 –  

During the G1 phase, protein synthesis takes place to cater the requirement of cytosol in the cell. This phase occur just after a cell division

b)S-

It is known as the synthesis phase. A cell prepares itself for next division by making a copy of its DNA and all packaging proteins are also produced in this phase

c)G2-  

In this phase, the cell just gets ready to enter into mitosis cell division process. The cell organelles start duplicating themselves  

Hence, option B

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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