Which of the following explains why prokaryotes have a bigger gene-to-genome size ratio compared to eukaryotes? A. Prokaryotic genome contains multiple promoters and repressors that control of a single gene. B. Prokaryotic genome is completely devoid of non-coding sequences. C. Prokaryotic genome contains multiple genes that are under the control of a common promoter and repressor. D. Prokaryotic genome contains one promoter region for each gene. 2. Which of the following can explain why eukaryotes have smaller gene-to-genome size ratio compared to prokaryotes? A. Genome size do not correlate with complexity in eukaryotes. B. The percentage of genes is inversely correlated with genome size in eukaryotes. C. Eukaryotic genome contains a lot of coding sequences. D. Eukaryotic genome contains a lot of non-coding sequences.
Structure and Composition of Cell Membrane
Despite differences in structure and function, all living cells in multicellular organisms are surrounded by a cell membrane. Just like the outer layer of the skin separates the body from its environment similarly, the cell membrane, also known as 'plasma membrane,' separates the inner content from its exterior environment.
Cell Membrane
The cell membrane is known by different names like plasma membrane or cytoplasmic membrane, or biological membrane. The term "cell membrane" was first introduced by C. Nageli and C. Cramer in the year 1855. Later on, in 1931, the term "plasmalemma" for cell membrane was given by J. Plowe. The cell membrane separates the cell's internal environment from the extracellular space. This separation allows the protection of cells from their environment.
Prokaryotes vs Eukaryotes
The cell is defined as the basic structural and functional unit of life. The cell membrane bounds it. It is capable of independent existence.
1. Which of the following explains why prokaryotes have a bigger gene-to-genome size ratio compared to eukaryotes?
A. Prokaryotic genome contains multiple promoters and repressors that control of a single gene.
B. Prokaryotic genome is completely devoid of non-coding sequences.
C. Prokaryotic genome contains multiple genes that are under the control of a common promoter
and repressor.
D. Prokaryotic genome contains one promoter region for each gene.
2. Which of the following can explain why eukaryotes have smaller gene-to-genome size ratio compared to prokaryotes?
A. Genome size do not correlate with complexity in eukaryotes.
B. The percentage of genes is inversely correlated with genome size in eukaryotes.
C. Eukaryotic genome contains a lot of coding sequences.
D. Eukaryotic genome contains a lot of non-coding sequences.
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