A eukaryotic cell carries out phagocytosis and engulfs a gram-negative bacterial cell, which ends up in the resulting food vacuole. Hypothetically, to go from the cytosol of this bacterial cell to outside of the eukaryotic cell that has taken it in, what is the least number of biological membranes that would have to be crossed

3

Explanation:

Lysozyme and the food vacuole are both membrane bounded organelles. Then to go out of the eukaryotic cell, it has to pass through the cell membrane

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

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3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.