题目内容

Scanning electron microscope permits ()

A. small structures within cells or tissues
B. surface views of cells or organs
C. structures within nucleus
D. structures within organelles
E. structures within biomembrane

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The commonest cells in loose connective tissue are ()

A. mast cells
B. undifferentiated cells
C. macrophages
D. fibroblasts
E. plasma cells

Which is characterized by their phagocytic abilities? ()

A. Fibroblast
B. Mast cell
C. Macrophage
D. Plasma cell
E. Adipose cell

Hyaline cartilage tissue does NOT contain ()

A. cells that can divide
B. ground substance
C. fibers
D. blood vessels
E. hyaluronic acid

In reticulocytes there is a netlike structure of ()

A. Rough endoplasmic reticulum
B. Free ribosome
C. Lysosome
D. Mitochondria
E. Filament