Examlex
Balance the chemical equation given below,and determine the number of moles of iodine that reacts with 30.0 g of aluminum.
_____ Al(s) + _____ I2(s) → _____ Al2I6(s)
Passive Transport
The movement of ions and other molecular substances across cell membranes without the need for energy input.
Sieve Elements
Specialized cells in the phloem of vascular plants that are involved in the transport of sugars and nutrients.
Sink Cells
Cells that act as a metabolic or storage sink, usually absorbing and storing nutrients transported from source cells in an organism.
Source Cells
Cells that provide or have the potential to provide necessary components or functions for repair or growth, often referring to stem cells.
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