They answer is phytochrome, which responds to light in a critical darkness period which tells the plant when to flower
You may be talking about change from rapid-acting insulin to intermediate-acting insulin. Rapid acting insulin, as it implies, has onset of 10 to 30 minutes and peaks in 3 hours. Meanwhile, the intermediate-acting insulin takes 1 hour and 30 minutes to 4 hours to take effect, and it peaks in 4 to 12 hours. If changing from rapid-acting to intermediate-acting, there is a big space where there might be no insulin in the body to control blood sugar levels. As a nurse, you should carefully monitor blood glucose levels every 30 minutes and watch out for symptoms of hypeglycemia.
The baby’s organs become fully developed during the second trimester. The baby can also start to hear and swallow. Small hairs become noticeable. Later on in the second trimester, the baby will begin to move around. It will develop sleeping and waking cycles that a pregnant woman will begin to notice. I would know which one above to choose but that’s what happens