Microbial Btec exam 2023 with 100% correct answers

What is true of gram positive bacteria? - correct answerThey have a single plasma membrane, stain purple with gram stain, and have lots of peptidoglycan What statement about DNA replication is incorrect? - correct answerOkazaki fragments are formed only in the leading strand, but not the lagging strand. Not true! They form in both strands. Other true answers: During replication of lagging strand, DNA synthesis is initiated from multiple primers. The lagging strand is discontinuous. New DNA is synthesized in 5' to 3' direction. The leading strand is continuous. During initiation of replication, DnaA binds to the oriC and recruits _____ which unwinds the double helix at the growing replication fork. - correct answerHelicase Which of the following does not promote chromosome replication in bacteria? - correct answerHigh concentrations of telomerase. Does promote replication: high cell mass. High ATP:ADP ratio. Fully methylated ds DNA. What is the significance of the sequences found in -10 and -35 regions of a gene? - correct answerThey are the sequences recognized and bound to by RNA pol during transcription initiation.