Cytoplasm Chemical reactions take place here. Mitochondria Site of cell respiration. Very abundant in cells that need a lot of energy (eg muscle cells). Cell membrane A selectively permeable ...

Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...

Apr. 11, 2025 — A multi-institutional team developed a chimeric antigen receptor (CAR) T cell-based strategy for specifically targeting AML cells in patients who relapsed following other treatments.

T cells are white blood cells that are important for adaptive immunity. They have unique cell surface receptors that are generated by randomly assorting genes. These receptors allow T cells to ...

For an insight into the current state of the British penal system, the case of Denny De Silva is as instructive as it is ...

Best vitamins for heart health - and the causes of heart disease explained - We consulted the experts to bust myths ...

Try these quizzes based on GCSE past papers and quick-fire questions. By working your way through the questions created by experts, you can prepare for your exams and make your GCSE revision more ...

Carcinoma is a type of cancer that starts in cells that make up the skin or the tissue lining organs, such as the liver or kidneys. Like other types of cancer, carcinomas are abnormal cells that ...

When this happens, not only do your brain and ears perceive it, but your cells may also.

Lymphocytes are white blood cells that help the body fight infection and disease. The healthy range for an adult is between 1,000 and 4,800 lymphocytes per microliter (µL) of blood. Doctors will ...

Claude Littner returns to The Apprentice for the tough interview task - and off-screen he's faced plenty of his own ...

One expert has told The i Paper that the end of the EBacc could mean that decline in language learning at GCSE level is “accelerated”. Here’s how school curriculum and assessment could soon ...