Biology Keywords 5.0 / 5 based on 1 rating ? BiologyA2/A-levelAQA Created by: AimeeCreated on: 23-03-13 22:01 73810426519 Across 1. A plant adapted to living in dry conditions. (9) 6. Positively charged sub-atomic particle found in the nucleus of an atom. (6) 7. The process linking glycolysis with the Krebs cycle in which hydrogen and carbon dioxide are removed from pyruvate to form acetylcoenzyme A in the matrix of the mitochondria. (4, 8) 8. A sequence of three adjacent nucleotides on a molecule of transfer RNA that is complementary to a particular codon on a messenger RNA molecule. (9) 9. Large molecule made up of repeating smaller molecules. (7) 10. A carrier. The term may refer to something such as a plasmid, which carries DNA into a cell, or to an organism that carries a parasite to its host. (6) Down 2. The period in the oestrous cycle immediately after ovulation when the female is most fertile. (7) 3. Method of maintaining ecosystems and the living organisms that occupy them. It requires planning and organisation to make the best use of resources while preserving the natural landscape and wildlife. (12) 4. The nerve pathway in the body taken by an action potential that leads to a rapid, involuntary response to a stimulus. (6, 3) 5. The chemical bond formed between two amino acids during a condensation reaction. (7, 4)
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