if ebook is eligible to load, you can Load this book to friend from the product detail page of a book you purchased on Amazon. 1  Visit the Kindle Store. 2  On the product detail page, click Loan this book. 3  You will be sent to the Loan this book page.
From Yahoo Answers. Question: The mole concept is important in chemistry because 1. atoms and molecules are very small and themole concept allows us to count atoms and molecules by weighing macroscopic amounts of material. 2. it establishes a standard for reaction stoi-chiometry. 3. it explains the properties of gases.
One of the many important roles cholesterol plays in the body is in our nervous system, enabling learning and memory to take place. In fact, one of the reasons that sleep is beneficial to our learning and memory is because it enables our brain to make more cholesterol!n the absence of this-- as yet unknown-- glial factor, neurons formed few synapses, and the synapses they formed were inefficient and poorly functioning. In the presence of glial cells, which secrete the unknown factor, neurons formed many, highly efficient synapses.