Are the following statements true or false If a statement is

Are the following statements true or false? If a statement is false, explain why.

                A. An enhancer is a type of regulatory sequence/element.

                B. A core promoter is a type of regulatory sequence/element.

                C. Regulatory transcription factors bind to regulatory sequences/elements.

                D. An enhancer may cause the down regulation of transcription.

Solution

A. TRUE.

B. TRUE.

C. TRUE.

Trans-acting factors -usually consider to be proteins , that bind to the cis-acting sequences to control gene expression.

D. TRUE.

Cis and Trans acting. Down and up regulations can be seen.