Match the following terms and definitions. 1. microtubules and microfilaments that support and shape the cell 2. tiny structures that conduct protein synthesis 3. semipermeable layer that surrounds all cells 4. cell extensions used for cell mobility and movement 5. storage sacs 6. traps solar energy for photosynthesis 7. tubes that transport molecules from the nucleus to the cytoplasm a. cytoskeleton b. chloroplasts c. endoplasmic reticulum (er) d. flagella e. ribosomes f. vacuoles g. plasma membrane