What are the polymers for proteins carbohydrates lipids and nucleic acids?

What are the types of mutations, and how does each alter the encoded protein? college level answer

What effect does plate tectonics have an organic evolution

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