Question

question 40 which is which? column a 1 b 2 b column b a. exocytosis b. endocytosis

Explanation:

• Exocytosis (a): Is the process where vesicles fuse with the plasma membrane to release their contents outside the cell. It is a form of active transport for secreting substances like hormones, neurotransmitters, or waste products.
• Endocytosis (b): Is the process by which cells internalize substances from their external environment. This can include phagocytosis (engulfing large particles) or pinocytosis (taking in fluid - like substances).

Answer:

1. b (Endocytosis, as the diagram shows substances being taken into the cell)
2. a (Exocytosis, as the diagram shows substances being released out of the cell)