Living cells synthesize long chains of amino acids called proteins. Which substance provides the information needed to correctly sequence the amino acids during protein synthesis?
A B C D
ATP mRNA tRNA DNA
Question: Living cells synthesize long chains of amino acids called proteins. Which substance provides the information needed to correctly sequence the amino acids during protein synthesis?
(A) ATP
(B) mRNA
(C) tRNA
(D) DNA

Answer: (D) DNA
Answer: (A) ATP
Question: Living cells synthesize long chains of amino acids called proteins. Which substance provides the information needed to correctly sequence the amino acids during protein synthesis?
(A) ATP
(B) mRNA
(C) tRNA
(D) DNA
Answer: (D) DNA