Development of the Pancreas in an Embryo into a Dual

question 10

Multiple Choice

Development of the pancreas in an embryo into a dual gland that has both exocrine and endocrine functions begins when

• A) insulin is produced and bathes stem cells.
• B) a transcription factor stimulates progenitor cells to give rise to exocrine or endocrine cells.
• C) a globin gene duplicates and gives rise to alpha and beta globin genes.
• D) progenitor cells become stem cells.
• E) the primordial pancreas splits into two parts, one exocrine and one endocrine.

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The part of the brain located at the front of the frontal lobe, involved in complex behaviors such as planning, decision making, and moderating social behavior.

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