Which of the following statements about antibody molecules are true and which are false?  A single cell always makes only one unique antibody

Which of the following statements about antibody molecules are true and which are false?  They form by DNA recombination between D (diverse) and C (constant) regions

 1’ carbon

The energy needed for nucleic acid synthesis comes from

The function(s) of topoisomerases during replication is to:    join the ends of adjacent Okazaki fragments together

They have phosphate groups in the rings

A ribonucleotide triphosphate used in RNA synthesis has an OH group on this carbon in the sugar portion of the nucleotide:      2′

AAATTT

This is a transversion mutation

After making a peptide bond, the ribosome: