summary crossword A level

Horizontal Words

1. the waterproof substance that impregnates the walls of xylem vessels (6)
3. a version of a gene (6)
5. type of nuclear cells division that produces identical daughter cells (7)
7. tissue that carrys water and mineral ions from the roots (5)
9. the movement of substances against their concentration gradient (16)
11. small organelle that synthesises proteins and contains two subunits (8)
13. phase of the cell cycle where the cell is not dividing (10)

Vertical Words

2. closely packed photosynthetic cells within leaves (14)
4. process by which stem cells become specialised into different types of cells (15)
6. the perforated end walls of the sieve tube elements in phloem (12)
8. unicellular microorganisms that lack membrane-bound organelles (11)
10. group of cells that work together to carry out a particular function (6)
12. an area of unspecialised cells in plants (8)
14. a length of DNA that codes for a polypeptide (4)