3. Autotrophs produce organic molecules. I think 4 is cellular respiration cannot occur without photosynthesis
TRue
Explanation:
first law of thermodynamics energy can be changed from one from to another
Answer:
(A): DNA and protein
(B): The case for proteins appeared stronger until the 1940s, especially since biochemists had identified them as a class of macromolecules with great heterogeneity and function specificity, essential requirements for the hereditary material. Moreover, little was known about nucleic acids, the physical and chemical properties of which seemed far too uniform to account for the multitude of specific hereditary traits of each organism
(C): Virulent strains are pathogenic (causing disease), whereas non-virulent strains are non-pathogenic (harmless) strains.
B is the best answer I hope it help
