No hormones means the animal was not given any kind of growth hormone. On beef, the label “no-hormones” means the place that raised the meat took the optional step of not giving the animal ...

Plant and animal growth is controlled by steroid hormones, which tell specific genes in cells to begin increasing cell size. In plants, a steroid hormone family called brassinosteroids (BRs) start ...

Animal growth and development is a multifaceted process that spans from the prenatal phase—where rapid cellular proliferation, differentiation and morphogenesis occur—to postnatal expansion, ...