DNA in Prokaryotes and Eukaryotes (HSC SSCE Biology): Quizzes
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Practise the questions
10 questions from this quiz
What is the shape of prokaryotic chromosomal DNA?
What is the shape of prokaryotic chromosomal DNA?
Circular and double-stranded
What advantage do plasmids often provide to prokaryotic cells?
What advantage do plasmids often provide to prokaryotic cells?
Antibiotic resistance
How is prokaryotic DNA packaged to fit inside the cell?
How is prokaryotic DNA packaged to fit inside the cell?
Supercoiled around protein scaffold
Approximately what percentage of human DNA codes for proteins?
Approximately what percentage of human DNA codes for proteins?
3%
Why do histones bind effectively to DNA?
Why do histones bind effectively to DNA?
Positive charges bind negative phosphates
What does the chromosome number indicate about organism complexity?
What does the chromosome number indicate about organism complexity?
No correlation with complexity
How is mitochondrial DNA (mtDNA) inherited?
How is mitochondrial DNA (mtDNA) inherited?
Maternally only
How many genes does human mitochondrial DNA contain?
How many genes does human mitochondrial DNA contain?
37 genes
What structure forms when DNA wraps around histone proteins?
What structure forms when DNA wraps around histone proteins?
Nucleosomes
Where are introns (non-coding DNA) commonly found?
Where are introns (non-coding DNA) commonly found?
Eukaryotes, rare in prokaryotes