Hormones are usually small molecules made by a gland. They are secreted following a suitable stimulus and transported in the blood. Blood carries hormones to a target organ or group of cells which will recognise the hormone (this triggers a specific chemical response when the correct receptor is activated).ormones are usually small molecules made by a gland. They are secreted following a suitable stimulus and transported in the blood. Blood carries hormones to a target organ or group of cells which will recognise the hormone (this triggers a specific chemical response when the correct receptor is activated).
Buckingham Palace: Our Tips. When to See the Changing of the Guards. The changing of the guard takes place everyday at 11:30am from April through July, and on alternate days the rest of the year. Due to its popularity, the changing of the guard attracts massive crowds. If you want to secure a spot near the fence to get the best view of the spectacle, it's necessary to show up at least a couple of hours in advance.
Rare visit to the State Apartments at Buckingham Palace, only open to the public from late July to early October. Guaranteed timed entry so you don't waste time in line. Preparatory Royal London walking tour to uncover the most important regal sights. Commentary from an expert local guide.