A eukaryotic cell: Select one:
O a. Has a cell wall with peptidoglycan
b. Is usually smaller than a prokaryotic cell
c. Does not have membrane-bounded organelles
O d. Has membrane-bounded organelles
e. Does not usually have a nucleus

There are six elements that make up most of the human body. which of the following is not one of these six elements?

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

Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?