A young woman is given daily injections of a substance beginning on the 16th day of her normal menstrual cycle and continuing for 3 weeks. As long as the injections continue, she does not menstruate. The injected substance could be which of the following?

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#Question id: 2774

#Unit 2. Cellular Organization

The DNA and protein sequences of the -tubulin genes in humans and in fish are similar, and because each arose due to speciation, these genes would be considered:

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#Question id: 28965

#Unit 7. System Physiology – Animal

Which of the following activity of TSH(thyrotropin) is incorrect?

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#Question id: 28273

#Unit 5. Developmental Biology

In sea urchins, the acrosome reaction is initiated by_____

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#Question id: 10410

#Unit 6. System Physiology – Plant

phytochrome red and far-red light. Given below experiment of lettuce seed, which of the following option will be incorrect?

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#Question id: 33512

#Unit 2. Cellular Organization

Release of insulin from pancreatic B cells hinges on