Question 1: Choose the correct statement.
A. The special kind of electron microscopy in which cells are not cut in sections but viewed in three dimension, is scanning electron microscopy.
B. Colored dyes are used to stain tissues for electron microscopy, not light microscopy.
C. In connective tissues the cells are close and joined, but in epithelia, the cells are farther apart.
D. Epithelium has a lot of extracellular matrix.
E. Light microscopy has higher resolution than electron microscopy.
Question 2: Which cell type contains a lot of secretory granules?
A. skeletal muscle fiber
B. osteocyte
C. macrophage
D. goblet cell
E. endothelial cell
Question 3: Organelles: Choose the FALSE match between an organelle and its properties.
A. ribosome: protein assembly.
B. centrosome: anchors the mitotic spindle; and microtubules radiate outward from it.
C. some organelles with a unit membrane are the Golgi apparatus and the endoplasmic reticulum.
D. mitochondrion: makes the two subunits of the ribosomes.
E. intermediate filament: resists tension placed on the cell.
Give reasoning with your answer.