During protein synthesis, the tRNA aminoacyl synthetase acts to:    covalently bind an amino acid to the acceptor stem of the tRNA

How many molecules of antigen can be bound by a single IgG antibody?

Which of the following statements about nucleotides are true and which are false?    In DNA, the bases are connected to the backbone by glycosidic bonds

Indicate whether the following statements about eukaryotic transcription factors (TF) are true or false The binding sites are generally found within exon sequences

What is the role of dideoxynucleotides in DNA sequencing?

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

During HIV viral infection, the Tat protein acts to: 

The structure of DNA has the following properties The bases are directly attached to the deoxyribose

A ribonucleotide triphosphate used in RNA synthesis has an OH group on this carbon in the sugar portion of the nucleotide:      4′

  This DNA sequence occurs within the coding sequence of a gene. The first three nucleotides (underlined) code for glutamic acid (Glu).  The following DNA mutation is likely to result in a shorter than normal mRNA: G -> C at position 70