Differential gene expression is the result of different cells containing different

regulatory proteins
regulatory sequences
genes
nucleosomes

The answer is regulatory proteins

Explanation: Differential gene expression is the result of different cells containing different regulatory proteins.

Gene can be referred to as a portion or part of hereditary transferred from parent to offspring. Gene can also determine characteristics of the offspring.

Differential gene expression is the process that determines how cells grow.

Cell can be described as the smallest unit of life. It is called the building blocks of life and there are about trillions of cells in the human body.

Proteins are  macronutrients.

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."