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WorksheetsBIO457 Ch10 Chromosome Organization
Total questions: 12
Worksheet time: 6mins
Which of the following is not found in bacterial chromosomes
Circular, plasmids
Multiple origins of replication
few thousand genes
repetitive sequences
Which is not a part of bacterial compaction?
Formation of Loop Domains
Supercoiling
30-nm fiber
Enzyme that relaxes positive supercoils and makes negative supercoils
DNA Gyrase
Topoisomerase I
Cohesin
Condensin
Enzyme that relaxes negative supercoils
DNA Gyrase
Topoisomerase I
Cohesin
Condensin
Part of chromosome where kinetochores attach
Telomere
Centromere
Centrosome
Origin of replication
Contain specialized sequences located at both ends of the linear chromosome
Telomere
Centromere
Centrosome
Origin of replication
Which is not a component of the histone octamer
H1
H2
H3
H4
All are part of the histone octamer
Which is not a method of eukaryotic DNA compaction
30-nm fiber
Attachment to nuclear scaffold proteins
Nucleosomes
Radial Loop Domains
All are methods of eukaryotic DNA compaction
Tightly packed regions of the chromosome that are transcriptionally inactive
Condensin
Cohesin
Euchromatin
Heterochromatin
Less compacted regions of the chromosome that are transcriptionally active
Condensin
Cohesin
Euchromatin
Heterochromatin
Protein involved in compacting chromosomes found outside the nucleus
Condensin
Cohesin
Histones
DNA gyrase
Protein involved in promoting binding of sister chromatids in metaphase chromosomes
Condensin
Cohesin
Histones
DNA gyrase
