The female body responds to a drop in the luteinizing hormone B. By preparing for the next cycle.
- The luteinizing hormone remains at lower levels most of the time during the menstrual cycle.
- It reaches the highest levels around the 14th day of the menstrual cycle. It helps in the formation of follicles with the help of estrogen.
- An increase in LH triggers the increase of progesterone level and helps in preparing of corpus luteum.
- After the formation of the corpus luteum and the release of follicles, the level of LH drops.
- When the level of LH further decreases, this triggers the shedding of the uterine lining as no pregnancy takes place.
Thus, the low levels of LH are an indication of
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Answer:
I cant understand this question. Can u help?
Explanation:
Attached is the image concerning the HOXD13 gene along with the regulatory and promotor regions of the gene.
The answer will be "yes; when any of the segments of deleted, the expression level dropped to less than 100% of the control."
The experiment comprises of testing the expression of the HOXD13 mRNA from the gene by deleting segments of the regulatory regions. In the event of deletion of one segment (segment C), the mRNA expression dropped to around 60% of the control. When two segments are deleted (segments B and C), the mRNA expression dropped to less then 40% of the control. When all segments are deleted, the mRNA expression was almost to 0%.