Other than the proteins that they encode, what is a major difference between cell-specific and housekeeping genes?
A) Cell-specific genes are expressed only in a single cell type; housekeeping genes are expressed in all cell types.
B) Cell-specific genes have promoter proximal elements and enhancers; housekeeping genes have only promoter proximal elements.
C) Cell-specific genes have promoter proximal elements that use cell-specific activators; housekeeping genes use "universal" activators found in all cells.
D) Cell-specific genes are only found in certain cell types; housekeeping genes are found in all cell types.
E) Cell-specific genes have promoter proximal elements that use "universal" activators found in all cells; housekeeping genes have promoter proximal elements that respond only to cell-specific activators.

Question

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The Answer of Other than the proteins that they encode, what is a major difference between cell-specific and housekeeping genes?
A) Cell-specific genes are expressed only in a single cell type; housekeeping genes are expressed in all cell types.
B) Cell-specific genes have promoter proximal elements and enhancers; housekeeping genes have only promoter proximal elements.
C) Cell-specific genes have promoter proximal elements that use cell-specific activators; housekeeping genes use "universal" activators found in all cells.
D) Cell-specific genes are only found in certain cell types; housekeeping genes are found in all cell types.
E) Cell-specific genes have promoter proximal elements that use "universal" activators found in all cells; housekeeping genes have promoter proximal elements that respond only to cell-specific activators.

Other Than the Proteins That They Encode, What Is a Major