| The ____ endoplasmic reticulum produces proteins. |
control center |
| Molecules of ____ RNA are synthesized in the nucleolus. |
double |
| The diffusion of water across a cell membrane is called ____. |
osmosis |
| The ____ endoplasmic reticulum produces lipids. |
ribosomal |
| Unlike mitochondria, chloroplasts contain ____ membranes. |
rough |
| Nuclei, mitochondria, and chloroplasts have ____ membranes. |
smooth |
| Mitochondrion is to matrix as chloroplast is to ____. |
stroma |
| The nucleus is considered the ____ of a cell. |
thylakoid |
