The Portuguese were driven to expand primarily by the pull of opportunities abroad.

Sugar was native to the Americas.

There is no evidence of significant contact between he Aztecs and Incas.

Indian fabrics came to dominate Eurasian markets because of technological innovations that made them both more available and more desirable.

The presence of cholesterol in the plasma membranes of some animals 

What is the significance of selective permeability to biological membranes? (1.5 point)  

In normal cells, Ca ions are stored in the endoplasmic reticulum and in the matrix of the mitochondria.

A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body fluids, distilled water–equal to the volume of blood lost–is transferred directly into one of his veins. What will be the most probable result of this transfusion? 

The capture of African slaves was primarily done by Africans.

The Eastern Woodlands peoples did not practice agriculture by the 16th century.