Which lunch choice is best for a healthy lifestyle? A. hamburger
B. turkey sandwich
C. fried fish sandwich
D. chicken salad sandwich

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 describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?