Chromatin immuno-precipitation and DNA sequencing (ChIP-seq) can be used to identify regions of the genome that can indicate promoters, enhancers, and transcription factor-binding motifs. ChIP-seq is an example of:.

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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.

i hope this : )