Question

question 9
which of the following is a type of work that cells perform?
phagocytosis
muscle contraction
exocytosis
active transport
all of these

Explanation:

Phagocytosis is when cells engulf large particles. Muscle contraction involves muscle cells working. Exocytosis is the process of cells expelling materials. Active transport is when cells move substances against a concentration gradient. All these are types of work cells perform.

Answer:

all of these