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Science Biology a
| Question | Answer |
|---|---|
| abiotic environment | All of the physical, or non-living, components of given ecosystem |
| abscissic acid | A plant hormone that controls dormancy, and inhibits other hormones |
| absorption | The process in which soluble food molecules are diffused, and pass into the blood stream, usually in the small intestine |
| acid | A substance with a pH less than 7, that donates a hydrogen ion when dissolved in water |
| activation energy | The minimum amount of energy that is required to start a chemical reaction |
| activator protein | These bind to a location of the DNA molecule, causing an increase in transcription of a nearby gene |
| active immunity | Immunity caused by the body’s production of antibodies or activated T cells |
| active transport | The movement of a substance across a cell membrane to an area of higher concentration, using energy to do so |
| adaptation | The ability of an organism to thrive in conditions different from their native environment |
| adaptive radiation | The rapid diversification of a lineage, resulting in new lineages branching out and adapting differentiated traits and characteristics |
| ADP | Produced when ATP loses one of its phosphate groups, it is a lower energy form of ATP |
| adrenal cortex | The outer portion of the adrenal gland, which helps regulate stress response through mineralocorticoid and glucocorticoid production |
| adrenal glands | Part of the endocrine system, one is located on top of each kidney |
| adrenal medulla | The inner region of the adrenal gland, which works which the sympathetic nervous system to prepare the body to react in stressful situations |
| aerobic cellular respiration | Also known as it is a metabolic process that uses oxygen to break down food to produce energy |
| agglutinate | The clumping together of particles or substances This reaction can occur if blood of different types is mixed together |
| albumen | The white liquid that keeps the yolk suspended inside of an eggshell |
| alcoholic fermentation | The process by which sugars are broken down and converted into cellular energy, and produce ethanol and carbon dioxide as waste |
| algae | A broad group of autotrophic organisms, they are photosynthetic, but are simpler than most land based plants |
| allantois | Where an embryo’s metabolic waste is stored |
| allele | Multiple forms of the same gene, that occupy the same locus, but have unique characteristics |
Created by:
wendyk44
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