Which is incorrect about inducible operons? The lac operon is one example, They are normally turned on. They are often for use in catabolic (breakdown) pathways. They are turned on by the substrate binding to the repressor protein Question 43 (2.5 points) Viruses have all the following except: gestion 48 Unseved ability to infect host cells the ability to replicate without a host cell genes microscopic size definite shape The enzyme that helps remove supercoiling during DNA replication is primase DNA gyrase / topoisomerase DNA ligase DNA polymerase DNA helicase Question 45 (2.5 points) In many bacteria, genes that confer (provide) immunity for the bacterium to specific antibiotics are carried on... tRNA anticodons. resistance plasmids. eukaryotic chromosomes. messenger RNA prokaryotic chromosomes. Which of the following is not associated with every virus? spike proteins capsomeres nucleic acid nucleocapsid capsid Question 47 (2.5 points) The DNA of an organism is made up of momomers or subunits called polymerases mRNA nucleotides amino acids unction 40 125
