Examlex
When AZT is used to treat HIV infections,why does resistance to AZT usually develop?
Dextrin
A group of low-molecular-weight carbohydrates produced by the hydrolysis of starch.
Sieve Tube Elements
Cells that conduct dissolved sugar in the phloem of flowering plants.
Companion Cells
Specialized cells found in the phloem of plants that support the function of sieve tube elements by aiding in nutrient transport and metabolic processes.
Specialized Cells
Cells that have developed unique structures and functions to perform specific tasks within an organism.
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