831. All of the following are associated with cartilage tissue except
A. appositional growth
B. Perichondrium
C. lamellae
D. chondroitin sulfate
E. interstitial growth

832. Chondrocytes receive their nutrition via
A. capillaries in matrix
B. Haversian canals
C. diffusion through matrix
D. periosteal buds
E. canaliculi

833.The most common cell in connective tissue proper is the
A. mast cell
B. lymphocyte
C. macrophage
D. Fibroblast
E. fat cell

834.The most common amino acid of collagen(ic) fibers is
A. proline
B. hydroxyproline
C. glycine
D. lysine
E. alanine

835. The presence of which one of the following characteristics is of least value indistinguishing bone from hyaline cartilage?
A. lamellae
B. cell nests
C. Haversian canals
D. lacunae
E. canaliculi

836. Which one of the following cells would be best for the study of lysosomes?
A. fibroblasts
B. macrophages
C. mast cells
D. mesenchymal cells
E. fat cells

837. Heparin is produced by
A. mast cells
B. macrophages
C. lymphocytes
D. plasma cells
E. hepatocytes
838. All of the following have ribosomes attached to them except
A. nuclear envelope
B. tRNA
C. endoplasmic reticulum
D. each other
E. phagosomes

839. Which one of the following parts of a cell lacks a bounding memberane?
A. nucleolus
B. endoplasmic reticulum
C. lysosomes
D. Golgi complex
E. nucleus

840. The electron dense layers of cell membranes are biochemically identified as
A. carbohydrate
B. glycolipid
C. sialic acid
D. phospholipid-protein complex
E. interphase between lipid layers

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