Question

A linear stretch of DNA that specifies the sequence of amino acids in a polypeptide is called a(n)

A. codon.
B. intron.
C. messenger.
D. gene.
E. enzyme.

Answer 1

D (genes)

Step-by-step explanation:

A gene is a segment of a DNA containing nucleotides that encodes certain gene products; RNA or proteins. Genes hold the information to build an organism's cell and pass genetic traits to offsprings. The genes that encodes proteins contains information required to build specific proteins needed in the body. This information contained by the gene is expressed via a process called GENE EXPRESSION.

Gene expression consists of transcription and translation. The information in the gene stored as DNA is used to synthesize mRNA in transcription and subsequently the mRNA directs the synthesis of polypeptide by using the amino acid encoded by the mRNA.