In what way are elements in the same column of the periodic table the same?
a) they have the same number of protons.
b) they have the same number of neutrons.
c) they have the same number of electrons.
d) they have the same number of electrons in their valence shell.
e) they have the same number of electron shells.

What enzyme is most important for dna replication and why?

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

Me asap i need during photosynthesis, the following reaction takes place: carbon dioxide + water + light energy → sugar + oxygen during cellular respiration, the following reaction takes place: sugar + oxygen → carbon dioxide + water + chemical energy given this information, how are photosynthesis and cellular respiration related? question 2 options: a the products of photosynthesis are the reactants of cellular respiration. b photosynthesis and cellular respiration both start with the same materials. c photosynthesis and cellular respiration both produce the same materials. d the same type of energy is found in both photosynthesis and cellular respiration.