What do beta cells do?

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

What do beta cells do?

Explanation:
Beta cells regulate blood sugar by releasing insulin in response to high glucose levels. Insulin helps cells, especially in muscle and fat tissue, take up glucose from the bloodstream, lowering blood glucose. It also signals the liver to store excess glucose as glycogen, contributing to the overall decrease in blood sugar after a meal. The other options refer to different cells or to effects, not the direct action of beta cells: glucagon is produced by alpha cells, and while insulin can lead to glycogen storage, the key action of beta cells is producing insulin.

Beta cells regulate blood sugar by releasing insulin in response to high glucose levels. Insulin helps cells, especially in muscle and fat tissue, take up glucose from the bloodstream, lowering blood glucose. It also signals the liver to store excess glucose as glycogen, contributing to the overall decrease in blood sugar after a meal. The other options refer to different cells or to effects, not the direct action of beta cells: glucagon is produced by alpha cells, and while insulin can lead to glycogen storage, the key action of beta cells is producing insulin.

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