Which of the Following Is TRUE Regarding Pancreatic $\beta$ Cells?
A)Insulin Is Secreted by The

Which of the following is TRUE regarding pancreatic $\beta$ cells?

A) Insulin is secreted by the $\beta$ cells in response to the increase in $\beta$ cell glucose receptor binding.
B) Glucagon is secreted by the $\beta$ cells in response to the increase in $\beta$ cell glucose receptor binding.
C) Insulin is secreted by the $\beta$ cells in response to high glucose levels.
D) Insulin is secreted by the $\beta$ cells in response to low glucose levels.
E) Glucagon is secreted by the $\beta$ cells in response to high glucose levels.