Which of the following correctly ranks nucleic acid structures in order of size, from largest to smallest? a. gene, chromosome, nucleotide, codon b. chromosome, gene, codon, nucleotide c. nucleotide, chromosome, gene, codon d. chromosome, nucleotide, gene, codon

In a DNA molecule, a sugar, phosphate, and nitrogenous base are collectivley referred to as   A. DNA   B. RNA   C. a nucleotide   D. a codon

Which of the following nucleic acids is a component of ribosomes?   a.DNA   b.Transfer RNA   c.Ribosomal RNA   d.Messenger RNA

The role of transfer RNA (tRNA) is to match a codon (3 bases) in mRNA sequence to:   A. An amino acid   B. A peptide bond   C. An R group   D. A start codon

Such as in the case of sickle-cell disease, which of the following can occur from the mutation of just a single nucleotide pair in an organism’s DNA?   a. Altered mRNA strands   b. Altered primary protein structure   c. Altered tertiary protein structure   d. Altered protein function   e. All of the above