Fill in the blanks to complete the narrative and choose the right word from the

Question

Fill in the blanks to complete the narrative and choose the right word from the table.

Gene Expression & Regulation

The purpose of gene regulation is to conserve (47). During various stages of development, some genes are turned on, while others are turned off. The central dogma tells us that (48) is used as a template to create (49) which contains the code to create a new (50). If gene product is continuously being made in the cell, in low levels, we consider this gene to be (51). All cells within the organism have the same DNA, which comprises the (52), but the proteins that are expressed or created may be different. The entire complement of protein of the cell is called the (53). This variation allows a multicellular organism to have specialized cells, tissues, organs, and organ systems. Eukaryotes have 4 levels of regulation: transcription, (54), translation and posttranslation. Prokaryotes only have 3 levels of regulation. In prokaryotes transcription and translation both occur in the (55). In eukaryotes, transcription takes place in the (56), while translation occurs in the (57). The mRNA must be edited to remove the (58) and splice together the (59). After splicing, a guanosine cap is added to the (60) end and a poly-A tail at the (61) end of the mRNA. This editing of the mRNA allows the cell to increase the variation, also known as (62) splicing, thus producing a larger proteome without increasing the genome.

ExamB A Alternative BC DNA BCD Genome BCE proteome B Protein BD RNA C Amino Acids BE mRNA CDE Energy Constitutive CD tRNA CE rRNA E RNA Processing AB Cytoplasm DE Promoter AC Nucleus ABC Exons. AD 3' ABD Introns AE 5 ABE Operator Answer choices #47-62 may be used more than once or not at all

Explanation / Answer

Answer :

The purpose of gene regulation is to conserve energy . During various stages of development, some genes are turned on, while others are turned off. The central dogma tells us that RNA is used as a template to create mRNA which contains the code to create a new Protein. If gene product is continuously being made in the cell, in low levels, we consider this gene to be Constitutive. All cells within the organism have the same DNA, which comprises the Genome, but the proteins that are expressed or created may be different. The entire complement of protein of the cell is called the Proteome. This variation allows a multicellular organism to have specialized cells, tissues, organs, and organ systems. Eukaryotes have 4 levels of regulation: transcription, RNA Processing , translation and posttranslation. Prokaryotes only have 3 levels of regulation. In prokaryotes transcription and translation both occur in the cytoplasm . In eukaryotes, transcription takes place in the Nucleus , while translation occurs in the Cytoplasm. The mRNA must be edited to remove the Introns and splice together with the Exons . After splicing, a guanosine cap is added to the 5’ end and a poly-A tail at the 3’ end of the mRNA. This editing of the mRNA allows the cell to increase the variation, also known as alternative splicing, thus producing a larger proteome without increasing the genome.

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