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Multiple Choice
The genetic code is best described as:
A
a random arrangement of nucleotides with no specific function
B
a set of triplet nucleotide sequences that specify amino acids
C
a double-stranded DNA molecule that forms chromosomes
D
a single nucleotide sequence that codes for an entire protein
Verified step by step guidance
1
Understand that the genetic code refers to the relationship between nucleotide sequences in DNA or RNA and the amino acids they specify during protein synthesis.
Recall that nucleotides are arranged in groups of three, called codons, each of which corresponds to a specific amino acid or a stop signal during translation.
Recognize that the genetic code is not random; it is a highly conserved and universal system across almost all organisms.
Eliminate options that describe DNA structure (like double-stranded DNA forming chromosomes) or single nucleotides coding for entire proteins, as these do not accurately represent the genetic code.
Conclude that the best description of the genetic code is 'a set of triplet nucleotide sequences that specify amino acids,' reflecting its role in translating genetic information into proteins.