Answer:
d. Placental hormones are antagonistic to insulin, resulting in insulin resistance.
Explanation:
The placenta secretes many hormones out of which estrogen, progesterone, and human placental lactogen have an antagonistic effect on insulin. Insulin from the pancreas triggers the uptake of glucose by cells and lowers down the blood glucose level. Increased secretion of estrogen, progesterone, and human placental lactogen during late pregnancy by the placenta makes the cells non-responsive or reduces their sensitivity to the presence of insulin. This is called insulin resistance.
When cells do not respond to the presence of insulin by taking up the glucose, the blood glucose levels are increased. This effect increases the availability of glucose to the fetus as the circulating glucose is transported to the fetus.
Answer:
No
Explanation:
Evolution is a process by which a species accumulates and adopts genetic changes in order to permanently change their genetic codes. Gaining a tan is the process of your skin cells being fried by UV light. Therefore, tanning is not an evolutionary act.
Answer:11 percent
Explanation: there is always a 11 percent possibilty that an half twin suffers eating disorders if the other suffers from anorexia nervosa.
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