Biology Terms

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Across
  1. 1. is the control centre of a cell
  2. 4. having two complete sets of chromosomes
  3. 5. inherited instruction carried on a chromosome
  4. 6. they are rod-shaped organelles
  5. 8. are structures found within cells that carry out specialized functions
  6. 9. a form of cell death in which a programmed sequence of events leads to the elimination of cells without releasing harmful substances into the surrounding area
  7. 13. is a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle
  8. 15. is what gives the Rough Endoplasmic Reticulum its name
  9. 16. specific complement of chromosomes present in a cell or an individual arranged in an organised manner according to an agreed convection
  10. 18. clusters of microsubules
  11. 19. having one copy of each specific chromosome
  12. 20. in the mitotic cell cycle, period of cell growth and DNA synthesis
  13. 21. refers to cells of the body other than germline cells
  14. 23. stage of mitosis during which chromosomes align around the equator of a spindle
  15. 25. cell or organism with a membrane-bound nucleus
  16. 26. the smallest structural and functional unit of an organism
  17. 27. process of cell division that results in the production of new cells, each containing half the number of chromosomes of the original cell
Down
  1. 2. it gives the cell structure, protection and its shape
  2. 3. egg or sperm cell
  3. 6. thread-like structure composed of DNA and protein
  4. 7. position where the chromatids are held together in a chromosome
  5. 10. contains the coded genetic instructions
  6. 11. can generate haploid gametes, sperms or oocyte
  7. 12. macromolecules built of amino acid sub-units and linked by peptide bonds to form a chain
  8. 13. stage of mitosis in which the chromosomes contract and become visible
  9. 14. stage of mitosis in which new nuclear membranes form around the separated groups of chromosomes
  10. 17. process involved in the production of new cells genetically identical with the original cell
  11. 22. sum total of the genes present in a cell or an organism
  12. 24. each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome