An MRNA Molecule Contains Three Nucleotide (Triplet)units Called _____

Q11: A plasmid is a/an _.<br>A)extrachromosomal piece of

Q12: With regard to the lac operon,which of

Q13: RNA polymerase uses _ as a template

Q14: Which of the following properties are exclusive

Q15: Catabolite repression:<br>A)cells save energy by not making

Q17: tRNA anticodons serve as a link between

Q18: Spontaneous mutations are:<br>A)caused by chemicals such as

Q19: Bacterial chromosomes:<br>A)must be present for a bacteria

Q20: A DNA mutation that results in no

Q21: Mutagens such as 5-bromouracil cause mutations by:<br>A)substituting