★ Cell Structure and Functions Quiz
__________ are living cells that do not conduct sugar themselves but play a crucial role in assisting the movement of sugars.
A. Sieve tube elements
B. Sieve plate
C. Tracheids
D. Companion cells
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If dense bone lacked canaliculi:
A. there would be no blood supply to the cells.
B. diffusion between cells would not be possible
C. there would be no nerve supply to the tissue
D. the extracellular matrix would not be formed by osteoblasts
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