The genetic material of prokaryotic cells is contained in
A - VCE - SSCE Biology - Question 4 - 2012 - Paper 1
Question 4
The genetic material of prokaryotic cells is contained in
A. a circular chromosome and many small plasmids.
B. a haploid number of threadlike chromosomes.
C. a diplo... show full transcript
Worked Solution & Example Answer:The genetic material of prokaryotic cells is contained in
A - VCE - SSCE Biology - Question 4 - 2012 - Paper 1
Step 1
A. a circular chromosome and many small plasmids.
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Answer
Prokaryotic cells typically contain a single circular chromosome along with small circular DNA molecules known as plasmids. The circular chromosome carries most of the genetic information necessary for the cell's functioning, while plasmids may carry additional genes, often related to antibiotic resistance or metabolism.
Step 2
B. a haploid number of threadlike chromosomes.
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Answer
This statement is incorrect as prokaryotic cells generally have a single circular chromosome, not threadlike chromosomes which are more characteristic of eukaryotic cells. Additionally, prokaryotic cells are haploid, but they do not have threadlike chromosomes.
Step 3
C. a diploid number of circular plasmids.
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Answer
This statement is not accurate because prokaryotic cells do not possess a diploid number of any type of chromosomes. They typically have one copy of the circular chromosome and may have several plasmids, but not in a diploid state.
Step 4
D. many circular chromosomes.
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Answer
This is incorrect as prokaryotic cells generally contain one circular chromosome along with several plasmids. They do not have multiple circular chromosomes; this characteristic is more typical of eukaryotic organisms.
