Which two structures are involved in energy production on the cellular level?
a. chloroplasts and mitochondria
b. mitochondria and golgi bodies
c. golgi bodies and chloroplasts
d. microtubules and mitochondria

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

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

The first amino acid of a new polypeptide chain is