Cells of a multicellular organism are genetically homogeneous but structurally and functionally heterogeneous owing to the differential expression of genes. Many of these differences in gene ...

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used in ...

Body language is a silent orchestra, as people constantly give clues to what they’re thinking and feeling. Non-verbal messages including body movements, facial expressions, vocal tone and volume, and ...