1. The fundamental unit of life is the ______. organism cell organ system tissue

2. Which of the following organelles have a double membrane with pores? mitochondria nucleus lysosome golgi apparatus

3. A threadlike material called chromatin is located within the ______. golgi apparatus nucleus endoplasmic reticulum lysosome

4. Where is ribosomal RNA produced? nucleolus endoplasmic reticulum ribosomes golgi apparatus

5. This is (are) the site of protein synthesis in the cytoplasm. ribosomes mitochondria smooth endoplasmic reticulum golgi apparatus

6. Which type of organelle forms a membranous system of tubular canals, which is continuous with the nuclear envelope and branches throughout the cytoplasm? smooth endoplasmic reticulum Rough endoplasmic reticulum golgi apparatus mitochondria

7. Which organelle will produce steroid hormones in the testes and adrenal cortex while detoxifying alcohol in the liver? Rough endoplasmic reticulum mitochondria Golgi apparatus Smooth endoplasmic reticulum

8. Which organelle looks like a stack of hollow pancakes? smooth endoplasmic reticulum Mitochondria Golgi apparatus rough endoplasmic reticulum

9. Which organelle contains hydrolytic enzymes that can digest macromolecules cytoskeleton centrioles lysosomes endoplasmic reticulum

10. Where can cristae be found? nucleus mitochondria lysosome centriole