| Answer | Crossword Clue |
|---|---|
| MESON | Particle containing a quark |
| MESON | Particle in a quark model |
| GLUON | Particle emitted by a quark |
| MESON | Particle composed of a quark and an antiquark |
| upsilons | A meson thought to contain a b quark bound to its antiparticle, produced in particle accelerators |
| electrons | particle containing a negative electric charge |
| phagosomes | A vacuole in the cytoplasm of a cell, containing a phagocytosed particle enclosed within a part of the cell membrane |
