Asubstance that enters into a chemical reaction is called a(n) enzyme reactant catalyst product

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Where can dna be found in a prokaryotic cell