What is it called when vesicles are used to move substances into a cell?
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a. exocytosis
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b. endocytosis
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c. passive transport
d. diffusion

B! endocytosis!

In this process, the cell membrane forms a vesicle, a membrane-bound sac, around the large molecule. Then, the vesicle pinches the molecule into the cytoplasm of the cell.

Melanin. “Melanin is produced within the skin in cells called melanocytes and it is the main determinant of the skin color of darker-skinned humans. The skin color of people with light skin is determined mainly by the bluish-white connective tissue under the dermis and by the hemoglobin circulating in the veins of the dermis.” -Wikipedia