Answer:
Cellular respiration uses oxygen as a reactant and photosynthesis does not
Explanation:
Autotrophs use CO2 to make energy while heterotrophs use Oxygen.
<h3>Check all that apply?</h3>
You only gave one option so that's as far as I can get, sorry!
Answer:
Nucleotides are organic molecules consisting of a nucleoside and a phosphate. They serve as monomeric units of the nucleic acid polymers deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are essential biomolecules within all life-forms on Earth.
Explanation:
Enzymes can be best described as catalysts in living systems. This is because enzymes accelerate chemical reactions without being used up in the process.
Building models doesn't actually help scientists observe phenomena. Scientists build models to describe how nature and systems operate then make observations to see if their models match what they observe. Models which don't match what they observe are either alterated or scrapped. Good models are kept and used by the scientific community.