Enzymes that move certain phospholipids between leaflets have also which of the following properties? a. play a role in establishing and maintaining membrane lipid asymmetry b. interacts with neighboring epithelial cells or the basal membrane c. blocks post-synaptic membrane d. transports proteins

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

What does natural resource management aim at ?

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone