A hormone travels in the blood to all cells in the body. Only some types of cell respond to the hormone.
Which structure explains why only these cells respond?
enzymes inside the mitochondria of the cells
receptor molecules in the cell membranes of the cells
chromosomes inside the nucleus of each of the cells
ribosomes found in the cytoplasm of each of the cells
130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.