The correct answer is an apocrine gland.
The apocrine gland is a type of exocrine glands with a specific kind of secretion by membrane budding. The apical portion of the secretory cell of the apocrine gland pinches off, enters the lumen and loses part of its cytoplasm. The example of the apocrine gland is the sweat gland.
The function of the plasma membrane is to only allow certain items through, while blocking the rest.
This helps by the production of more insulin, by inserting the insulin producing gene into the bacterium, which expresses and result in higher productions of insulin, which can be extracted, purified and used by the people having diabetes.
Your question is rather unclear but from what I can tell either there were not an even amount of Petri dishes or some of them were left open while others were not.
Answer: B. the phagocytotic barrier, which is a part of innate immunity
Explanation:
