End of year crossword
Across
- 3. Organelles, either free or membrane-bound, where protein synthesis occurs.
- 4. The biological process where phagocytes engulf and destroy material.
- 5. The main artery carrying oxygenated blood from the heart at high pressure.
- 9. The monomers containing an amino group, a carboxyl group, and a variable R group that make up proteins.
- 12. A protein produced by plasma cells that binds to antigens as part of the immune response.
- 13. A molecule acting as the energy currency of cells formed from ribose, adenine, and three phosphate groups.
- 17. A model describing how enzymes undergo subtle conformational changes to better fit a substrate.
- 18. Immunity provided by the body's own immune response after detecting a pathogen.
- 19. A protein molecule acting as a biological catalyst to increase the rate of biochemical reactions.
- 20. A biochemical test used for reducing sugars that changes color based on the amount of sugar present.
- 24. Small air sacs in the lungs providing a large surface area for gas exchange.
- 25. An organelle found in plants and algae that serves as the site of photosynthesis.
- 26. The passive movement of substances through transport proteins from high to low concentration.
- 28. A length of DNA on a chromosome coding for polypeptide chains or functional RNA.
- 30. Small holes on leaves controlled by guard cells to regulate water loss and gas exchange.
- 32. A structure made of a long, coiled DNA molecule and associated proteins.
- 35. Marker molecules that can be detected by antibodies to trigger an immune response.
- 36. The plant tissue responsible for transporting water in the stem and leaves.
- 38. The phenomenon where haemoglobin’s affinity for oxygen decreases in high carbon dioxide concentrations.
- 41. A type of blood vessel designed to carry blood away from the heart.
- 42. The complete set of genes present in a cell.
- 43. Cell division producing four genetically different daughter cells with a haploid number of chromosomes.
- 44. A sequence of three bases on mRNA coding for a specific amino acid.
- 45. The passive diffusion of water molecules from high to lower water potential through a selectively permeable membrane.
- 49. A phospholipid bilayer studded with proteins that separates a cell from its environment.
- 50. A polysaccharide made of beta glucose monomers used for structural strength in plant cell walls.
Down
- 1. Immunity occurring when a large portion of a population is vaccinated, preventing disease spread to the unvaccinated.
- 2. An organelle in eukaryotic cells responsible for modifying and packaging proteins.
- 6. The process of dividing the cytoplasm to produce two new cells.
- 7. A sequence of DNA that does not code for proteins.
- 8. A biochemical test that produces a purple solution when protein is present.
- 10. A group of similar organisms that can breed to produce living, fertile offspring
- 11. The movement of substances from low to high concentration using energy in the form of ATP.
- 14. Membrane-bound vesicles in the cytoplasm containing the hydrolytic enzyme lysozyme.
- 15. The method of cell division in prokaryotes involving replication of circular DNA and plasmids.
- 16. The chemical bond formed between two monosaccharides during a condensation reaction.
- 21. A large muscle sheet used to change lung capacity and create pressure for ventilation.
- 22. A very small blood vessel with thin walls used for substance exchange in tissues.
- 23. The variety of genes, species, and habitats found within a specific area.
- 27. An enzyme that breaks hydrogen bonds between DNA strands during replication.
- 29. A DNA sequence that codes for an amino acid sequence.
- 31. A reaction that joins two molecules with a chemical bond and eliminates a water molecule.
- 33. The organelle in eukaryotic cells that acts as the site for aerobic respiration.
- 34. A protein in red blood cells specialized to carry oxygen to tissues.
- 37. Cell division in eukaryotes producing two daughter cells with identical copies of DNA.
- 39. An enzyme that catalyzes condensation reactions between new nucleotides to synthesize a new DNA strand.
- 40. The process of breaking a chemical bond between two molecules by using a water molecule.
- 46. A highly branched polysaccharide used as the primary energy storage in humans and animals.
- 47. Plant tissue that transports organic substances from their source to where they are needed.
- 48. A specific version of a gene.