Transcription Termination in Eukaryal Cells Is More Complex Than in Bacterial

question 7

Multiple Choice

Transcription termination in eukaryal cells is more complex than in bacterial cells as the RNA molecule undergoes further processing before becoming a functional mRNA.Which of these BEST describes this processing?

• A)Capping the 3' end with 7-methyl-guanosine,adding a poly-A sequence at the 5' end and removing internal sequences called introns.
• B)Capping the 3' end with 7-methyl-guanosine,adding a poly-A sequence at the 5' end and removing internal sequences called exons.
• C)Capping the 5' end with 7-methyl guanosine,adding a poly-A sequence at the 3' end and removing internal sequences called introns.
• D)Capping the 5' end with 7-methyl-guanosine,adding a poly-A sequence at the 3' end and removing internal sequences called exons.
• E)Capping the 3' end with 7-methyl-guanosine and adding a poly-A sequence at the 3' end.

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Definitions:

Cohesive

The property of substances to stick together or the action of forming a united whole, often referring to the unity within a group or material.

Hydrostatic Pressure

The pressure exerted by a fluid at equilibrium due to the force of gravity acting on the fluid.

Turgor Pressure

The pressure exerted by water inside the cell against the cell wall, providing structural support in plant cells.

Translocation

The process by which substances are moved within a plant, especially the transport of sugars from leaves to other parts through the phloem.