An average platelet is a cylinder 2 um in diameter and 0.2 m in height. platelets have approximately 75,000 integrin molecules on their membrane surface. if each integrin molecule is represented as a cylinder that is 10 nm in diameter, what percentage of the platelet surface area is covered by integrins?

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?