Biology

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Across
  1. 6. type of reproduction that does not involve the fusion of gametes or change in the number of chromosomes
  2. 9. microbe that can cause damage in a host
  3. 12. specific characteristic of an organism
  4. 14. adenine (A), guanine (G), thymine (T), and cytosine (C).
  5. 17. any individual entity that embodies the properties of life
  6. 20. Some cells in multicellular organisms are modified to carry out a particular function
  7. 23. detectable change in the physical or chemical structure of an organism's internal or external environment.
  8. 24. specific characteristic of an organism
  9. 25. simple cells that do not have a true nucleus or other cell organelles.
  10. 26. proteins that act as biological catalysts
  11. 27. self-regulating process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.
  12. 28. an organic compound made up of small molecules called amino acids
  13. 29. carrier of genetic information.
Down
  1. 1. Cell division gives rise to genetically identical cells in which the total number of chromosomes is maintained.
  2. 2. response within a system
  3. 3. the process of creating proteins from an mRNA template.
  4. 4. type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells
  5. 5. infectious agent that replicates only inside the living cells of an organism.
  6. 6. designed to target bacterial infections within the body
  7. 7. ribonucleic acid
  8. 8. The presence of two identical alleles at a particular gene locus
  9. 10. refers to the observable physical properties of an organism
  10. 11. induce cell growth, division and death; control membrane channels or regulate cell binding
  11. 13. the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA)
  12. 15. smallest unit of life
  13. 16. microscopic, single-celled organisms that thrive in diverse environments
  14. 18. biological agents that elicit an immune response to a specific antigen derived from an infectious disease-causing pathogen
  15. 19. having or consisting of many cells.
  16. 21. regulate physiology and behavior
  17. 22. consist of strands of DNA wrapped in a double helix around a core of proteins