Biology Terminology

1. the conversion of glycogen to glucose (14)
4. an atom or group of atoms that has lost or gained one or more electrons - positively or negatively charged (3)
5. a series of changes, important in homeostasis, that result in a substance being restored to its normal level (8, 8)
6. a passage across a cell-surface membrane made up of a protein that spans the membrane and opens and closes to allow ions to pass in and out of the cell (3, 7)
7. formation of mRNA molecules from DNA that makes up a particular gene - first stage of protein synthesis (13)

1. section of DNA on a chromosome coding for one or more polypeptides (4)
3. the introduction of a vaccine containing appropriate disease antigens into the body - injection or by mouth - in order to induce artificial immunity (11)
8. the total number of alleles in a particular population at a specific time (4, 4)
9. the passage of water from a region of high water potential to a region where its water potential is lower, through a selectively permeable membrane (7)
10. a process extending from a neurone that conducts action potentials away from the cell body (4)

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