4th Sep '25

B1 Keywords

B1140
  1. Enzyme (3) - B1:3
    • Proteins that act as biological catalysts, each specific for a certain metabolic reaction.
  2. Cardiovascular disease (2) - B1:2
    • A range of conditions caused by a build-up of fatty deposits inside the arteries.
  3. Concentration (2) - B1:2
    • The amount of a substance in a given volume.
  4. Concentration Gradient (2) - B1:2
    • The difference between a high and low concentration.
  5. Disease (2) - B1:2
    • a disorder of structure or function in a human, animal, or plant.
  6. Tissue (2) - B1:2
    • a group of cells working together to perform a function.
  7. Organ (2) - B1:2
    • a group of tissues working together to perform a particular function.
  8. Active Transport (2) - B1:2
    • the movement of a chemical across a partially permeable membrane against its concentration gradient using energy from respiration.
  9. Tissue is a group of cells with a similar structure and function. (1) - B1:1
  10. Fungi - type of pathogen (1) - B1:1
  11. Organs are groups of tissues working together to perform specific functions. (1) - B1:1
  12. Virus - type of pathogen, takes over host cells (1) - B1:1
  13. Bacteria - type of pathogen (1) - B1:1
  14. Waste Product (1) - B1:1
    • A chemical substance released by cells as a by-product of metabolic reactions.
  15. Stent (1) - B1:1
    • A device used to open up arteries to allow more blood to flow through it.
  16. Double Circulatory System (1) - B1:1
    • A double loop circulatory system has 2 loops with oxygen-poor blood and oxygen-rich blood, that don't mix.
  17. Statin (1) - B1:1
    • A drug taken to reduce blood cholesterol.
  18. Cancer (1) - B1:1
    • A malignant growth resulting from an uncontrolled division of cells.
  19. Partially-Permeable (1) - B1:1
    • A membrane that allows certain chemicals to pass through it but not others.
  20. Correlation (1) - B1:1
    • A relationship or connection between two factors, often see on a graph.
  21. Exchange surface (1) - B1:1
    • A specific surface in an organism adapted to transfer lots of chemicals across it, normally into or out of the blood.
  22. Benign (1) - B1:1
    • A tumour that does not spread to other parts of the body.
  23. Malignant (1) - B1:1
    • A tumour where cells can spread to other parts of the body creating new tumours.
  24. Protists (1) - B1:1
    • A type of pathogen
  25. Risk Factor (1) - B1:1
    • A variable associated with an increased risk of disease or infection.
  26. Tumour (1) - B1:1
    • Abnormal growth of cells in the body producing a swelling or lump.
  27. Protein (1) - B1:1
    • Amino acids joined together. They can be structural or enzymes.
  28. Aphids (1) - B1:1
    • Aphids are small sap-sucking insects
  29. Mitosis (1) - B1:1
    • Cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.
  30. Specialised (1) - B1:1
    • Cell that is adapted to perform a particular function in the body.
  31. Ion (1) - B1:1
    • Charged atom/particle.
  32. Bile (1) - B1:1
    • Chemical made in the liver that neutralises stomach acid and emulsify fats.
  33. Crop (1) - B1:1
    • Cultivated plant grown commercially.
  34. Infectious (1) - B1:1
    • Diseases that can be passed from person to person through touch, air, water, bodily fluids.
  35. Antibiotics (1) - B1:1
    • Drugs that are used to destroy bacteria that infectious diseases.
  36. Cell Cycle (1) - B1:1
    • Growth and reproduction of cells consisting of different stages including interphase and mitosis.
  37. pH (1) - B1:1
    • How acidic or alkaline a substance is.
  38. Rate of reaction (1) - B1:1
    • How fast a reaction takes place.
  39. Vein (1) - B1:1
    • Impermeable blood vessel that carries blood back to the heart.
  40. Artery (1) - B1:1
    • Impermeable blood vessel that carries blood from the heart.
  41. Fat (1) - B1:1
    • Insoluble molecule made of glycerol and fatty acids.
  42. Chromosome (1) - B1:1
    • Long section of DNA containing many genes.
  43. Ventricles (1) - B1:1
    • Lower chambers of the heart that pump the blood out of the heart.
  44. Immune System (1) - B1:1
    • Made up of white blood cells, antibodies and antitoxins
  45. Pathogens (1) - B1:1
    • Microorganisms that can transmit infectious diseases
  46. Sugar (1) - B1:1
    • Molecule that is often a source a chemical energy for living things.
  47. Multicellular (1) - B1:1
    • Organism made of more than one cell.
  48. Clone (1) - B1:1
    • Organism that is genetically identical to another.
  49. Organ System (1) - B1:1
    • Organs working together to perform a major specific role/system in the organism.
  50. Diffusion (1) - B1:1
    • Passive movement of particles from a high to a low concentration.
  51. Volunteers (1) - B1:1
    • People who offer to test out new drugs to see their side affects
  52. Capillary (1) - B1:1
    • Permeable blood vessel with a wall one cell thick where exchange between the blood and cells of the body takes place.
  53. Respiration (1) - B1:1
    • Reaction releasing the energy from glucose to be used for cells to carry out activities.
  54. Cells (1) - B1:1
    • Smallest part of a living
  55. Buffer (1) - B1:1
    • Solution at a set pH and remains at that pH.
  56. Vector (1) - B1:1
    • Something that carry's disease
  57. Exchange Surface (1) - B1:1
    • Specially adapted part of an organism for the movement of chemicals across it, often to and from the blood.
  58. Rare Species (1) - B1:1
    • Species that has few individuals and often endangered with extinction.
  59. Embryonic Stem Cell (1) - B1:1
    • Stem cell that has the potential to become any type of cell in the body.
  60. Meristem (1) - B1:1
    • Stem cells in plants.
  61. Dose (1) - B1:1
    • The amount of drug given to a patient/volunteer
  62. Optimum dose (1) - B1:1
    • The best amount of drug to treat a disease effectively
  63. Penicillin (1) - B1:1
    • The first antibiotic to be discovered.
  64. Osmosis (1) - B1:1
    • The movement of water down its concentration across a partially permeable membrane.
  65. Active Site (1) - B1:1
    • The part of the enzyme that the substrate binds to.
  66. Digestion (1) - B1:1
    • The process by which food is broken down and absorbed into the blood to be used by cells.
  67. Substrate (1) - B1:1
    • The reactant or reactants that the enzyme catalases the reaction for.
  68. Lock and Key (1) - B1:1
    • The specific way that the exact substrate fits the exact enzyme.
  69. Physical Health (1) - B1:1
    • The state of how well the body performs physical tasks.
  70. Health (1) - B1:1
    • The state of physical and mental well-being.
  71. Mental Health (1) - B1:1
    • The state of psychological well-being.
  72. Surface Area (1) - B1:1
    • The total area of a surface.
  73. Surface Area to Volume Ratio (1) - B1:1
    • The volume of an object compared to the surface area it has.
  74. Blood (1) - B1:1
    • Tissue that is liquid and has the role of transporting substances around the body.
  75. Caner (1) - B1:1
    • Uncontrollable growth of cells
  76. Atria (1) - B1:1
    • Upper chambers of the heart that collect blood.
  77. Flu (1) - B1:1
    • Viral infection
  78. TMV (1) - B1:1
    • Viral infection
  79. HIV (1) - B1:1
    • Viral infection
  80. Measles (1) - B1:1
    • Viral infection.
  81. Coronary Heart Disease (1) - B1:1
    • Where the coronary arteries become blocked, starving the heart muscle cells of oxygen.
  82. Causal (1) - B1:1
    • Where there is an explanation of how one factor causes a change in another.
  83. Adaptation (1) - B1:1
    • a change that an organism goes through in order to become better suited to its environment.
  84. Population (1) - B1:1
    • a community of animals, plants, or humans among whose members interbreeding occurs.
  85. Molecule (1) - B1:1
    • a group of atoms, either the same or different, bonded together.
  86. Colony (1) - B1:1
    • a group of fungi or bacteria grown from a single spore or cell on a culture medium.
  87. Electron microscope (1) - B1:1
    • a microscope with high magnification and resolution, employing electron beams in place of light and using electron lenses.
  88. Yeast (1) - B1:1
    • a microscopic fungus consisting of single oval cells that reproduce by budding.
  89. Prokaryote (1) - B1:1
    • a microscopic, single-celled organism with no distinct membrane-bound organelles.
  90. Exothermic (1) - B1:1
    • a reaction that releases energy into the environment.
  91. Endothermic (1) - B1:1
    • a reaction that takes in energy from the surroundings.
  92. Standard form (1) - B1:1
    • a system of writing very large or very small numbers to make it more manageable.
  93. Microscope (1) - B1:1
    • an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times.
  94. Eukaryote (1) - B1:1
    • an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus.
  95. Stem Cell (1) - B1:1
    • an undifferentiated cell capable of becoming various types of cell.
  96. Starch (1) - B1:1
    • carbohydrate made of lots of glucose molecules joined together.
  97. Rate (1) - B1:1
    • how fast something occurs.
  98. Vaccination (1) - B1:1
    • inactive virus given to a healthy person
  99. malformed (1) - B1:1
    • incorrectly shaped stems
  100. Stunted growth (1) - B1:1
    • limited growth
  101. Discoloration (1) - B1:1
    • loss of colour in tissues
  102. Ribosomes (1) - B1:1
    • organelles specialised to synthesis proteins.
  103. Antibodies (1) - B1:1
    • produced by white blood cells, specific to each pathogen
  104. decay (1) - B1:1
    • rotting of tissues
  105. Insoluble (1) - B1:1
    • something that doesn't dissolve in a solvent.
  106. Limiting factor (1) - B1:1
    • something that stops the rate of reaction from increasing past a point.
  107. White blood cells (1) - B1:1
    • specialised cells that destroy pathogens in the blood
  108. Organelle (1) - B1:1
    • specialised structures found within a cell.
  109. Preclinical testing (1) - B1:1
    • testing done in a laboratory using cells, tissues and live animals.
  110. Magnification (1) - B1:1
    • the action of visibly enlarging an image.
  111. Concentration (1) - B1:1
    • the amount of particles in a given space.
  112. DNA (1) - B1:1
    • the carrier of genetic information, present in nearly all living organisms.
  113. Photosynthesis (1) - B1:1
    • the conversion of carbon dioxide and water into glucose and oxygen using energy from the sun.
  114. Culture (1) - B1:1
    • the cultivation of bacteria, tissue cells, etc. in an artificial medium containing nutrients.
  115. Cell division (1) - B1:1
    • the division of a cell into two daughter cells with the same genetic material.
  116. Cardiovascular (1) - B1:1
    • the heart and blood vessels.
  117. Function (1) - B1:1
    • the job or role that something has or is specialised for.
  118. Cytoplasm (1) - B1:1
    • the liquid material within a cell which is the site of chemical reactions.
  119. Black Spot Disease (1) - B1:1
    • the most serious disease of roses. It is caused by a fungus
  120. Translocation (1) - B1:1
    • the movement of materials from one location to another in a plant.
  121. Diffusion (1) - B1:1
    • the movement of particles from an area of high concentration to low concentration.
  122. Transpiration (1) - B1:1
    • the movement of water up the plant against the force of gravity.
  123. Respiration (1) - B1:1
    • the process of taking in oxygen and glucose and converting it into carbon dioxide and water.
  124. Mitochondria (1) - B1:1
    • the site of respiration within the cell.
  125. Magnitude (1) - B1:1
    • the size or extent of something.
  126. Resolution (1) - B1:1
    • the smallest interval measurable by a scientific instrument.
  127. Microbiology (1) - B1:1
    • the study of microorganisms.
  128. Products (1) - B1:1
    • the substances made at the end of a reaction.
  129. Metabolism (1) - B1:1
    • the sum of all the chemical reactions in the body.
  130. Epidermis (1) - B1:1
    • the surface tissue.
  131. Area (1) - B1:1
    • the total surface of an object.
  132. Xylem (1) - B1:1
    • the vascular tissue in plants specialised to transport water and dissolved nutrients up the plant.
  133. Emulsify (1) - B1:1
    • to break up fat into smaller parts by allowing it mix better with water.
  134. Bacteria (1) - B1:1
    • unicellular microorganisms which have cell walls but lack organelles and an organized nucleus.
  135. Chloroplasts (1) - B1:1
    • vesicles full of the photosynthetic pigment chlorophyll.
  136. Mosaic Virus (1) - B1:1
    • viruses that cause the leaves to have a speckled appearance
  137. Differentiate (1) - B1:1
    • when a stem cell becomes specialised to a particular cell type.
  138. Collisions (1) - B1:1
    • when one particle bumps into another.
  139. Aerobic (1) - B1:1
    • with oxygen.
  140. Anaerobic (1) - B1:1
    • without oxygen.