What role does the cell membrane have? A. produces proteins needed by the cell
B. directs the cells activities
C. forms a barrier and controls what goes in and out of a cell
D. breaks down food particles and worn out cell parts

Adult wasps sting caterpillars and inject their eggs into the caterpillars. the larvae feed on the caterpillars, leading to the death of the caterpillars. what kind of a relationship exists between the wasps and the caterpillars? a. the adult wasps are parasites to the caterpillars. b. the caterpillars are parasites to the wasps. c. the adult wasps are commensals, and the caterpillars are hosts. d. the caterpillars are commensals, and the adult wasps are hosts.

If you are in grade when should you start studying for exams

Which element contributes to nye’s voice in this passage