Which of the following are reactants of photosynthesis? 6CO2 + 6H2O + Energy
C6H12O6 + 6O2
CO2 + H2O + Energy
C6H12O6 + O2

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

Energy stored in the bonds that hold together the atoms and molecules of all substances is called a. kinetic energy. b. electrical energy. c. mechanical energy. d. chemical energy.

Dna in the nucleus carries the genetic code for making proteins in ribosomes. the diagram shows a model of dna. which part of the dna molecule codes for the amino acid sequence in the protein? a) sugar b) phosphate c) deoxyribosed) nitrogen bases