The Human Body crossword 0.0 / 5 ? ScienceThe human bodyGCSEOCR Created by: chloe loveridge123Created on: 13-06-16 11:17 7435216 Across 1. is an organic compound with the formula CH₃CHCO₂H. It is a white, water-soluble solid or clear liquid that is produced both naturally and synthetically. (6, 4) 4. is a form of respiration using electron acceptors other than oxygen. Although oxygen is not used as the final electron acceptor, the process still uses a respiratory electron transport chain; it is respiration without oxygen. (9, 11) 5. is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases (5) 6. a temporary oxygen shortage in the body tissues arising from exercise. (6, 4) Down 2. is a part of the cell cycle in which chromosomes in a cell nucleus are separated into two identical sets of chromosomes, and each set ends up in its own nucleus. (7) 3. a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances. (11) 7. is the process of producing cellular energy involving oxygen. Cells break down food in the mitochondria in a long, multistep process that produces roughly 36 ATP. The first step in is glycolysis, the second is the citric acid cycle and the third is t (7, 11)
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