Is a staircase is an example of an inclined plane true or false

It depends on how you look at it is would say, true because a staircase is inclined and the surface of a step is flat which makes it a plane so there is your answer

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation: