MMSC490 Chapter 4 Practice Quiz (100% correct answers)

A dominant negative mutant is typically one that... correct answers produces a protein that interferes with the function of the protein produced by the normal gene RNA molecules that serve as templates for protein synthesis are called _ RNAs correct answers messenger Transgenic mice are usually produced by... correct answers injecting DNA containing the gene into the pronucleus of a fertilized egg Expression of a human protein in a bacterial cell is best done with human... correct answers cDNA in a bacterial expression vector Proteins are composed of polymers of amino acids. How many different amino acids are there? correct answers 20 Restriction endonucleases are enzymes that... correct answers cleave DNA only at specific sequences When thymidine and adenosine interact within the DNA molecule, they form... correct answers 2 hydrogen bonds DNA was identified as the genetic material in experiments done by... correct answers Avery, MacLeod, and McCartey Animal cells and most cells of higher plants are... correct answers diploid The technique by which a particular nucleic acid sequence is localized with labelled probes within a cell, tissue, or isolated chromosome is called _ hybridization. correct answers in situ