(cont'd)

A ~ L        M ~ Z

 

M ~ Z :

  1. Macroinjection --- (n) A method of injecting the total DNA from one cotton variety (donor) into the embryos of another cotton variety (recipient)

  2. Manipulation --- (n) Control or handle something with skill

  3. Marker gene --- (n) A part of a gene which indicates the presence of genetic modification

  4. Method --- (n) A way of doing something

  5. Microorganism --- (n) An organism which is so small that it can be seen only under a microscope

  6. Microcapillary --- (n) A very fine tube which is used to insert DNA solution into a nucleus.

  7. Microscopic device --- (n) A very fine equipment

  8. Microinjection --- (n) The most precise techniques for delivering macro-molecules into specific intracellular compartments of living cells

  9. Mutation --- (n) A spontaneous change in the structure of composition of a gene such that it can be inherited

  10. Nucleus --- (n) A compact body which is present in most cells and contains hereditary materials in the form of chromosomes, surrounded and separated from the rest of the cell by a nuclear membrane

  11. Nucleolus --- (n) A rounded body within the cell nucleus that takes the same stain as chromosomes

  12. Offspring --- (n) The young state of a living thing

  13. Patent --- (n) An official document giving the holder the sole right to make, use or sell and invention and preventing others from imitating it

  14. Permeability --- (n) The ease of a liquid to enter and spread to every part of an object

  15. Pollinated --- (adj.) Fertiled with pollen

  16. Polypeptide --- (n) A group of peptide which is a substance combines two or more amino acids joined by peptide linkages

  17.  Pore --- (n) A tiny opening in the surface of a membrane, through which small particles can pass

  18. Promoter gene --- (n) A part of a gene which is used to start the motion of DNA

  19. Protein --- (n) A complex nitrogenous organic compound of high molecular weight, it consists of amino acids joined by peptide linkages

  20. Protoplast --- (n) A gelatinous living substance inside the cell consisting of a complex colloidal mixture of water, protein, lipoids, carbohydrates, mineral salts etc., having the fundamental powers of livind matter to absorb and assimilate food, to respire and produce energy and to response to external stimuli

  21. Protoplast fusion --- (n) (fusion---------the combination or joining together of separate things ,ideas ,or groups)

  22. Protoplast membrane --- (n) The thin outer surface of the protoplast which is made of protein

  23. Regenerate --- (v) To restore the life of something 

  24. Replicate --- (v) To be or make a copy of something

  25. Repulsion --- (n) The tendency of bodies to repel each other

  26. RNA --- (n) It stands for ribonucleic acid, a structural material of chromosome

  27. Shotgun --- (n) A long, precise gun which is used to fire DNA of one cell into another

  28. Sonication --- (n) A method of introducing DNA into sugar beet and tobacco protoplasts by applying a brief exposure of 20 kHz ultrasound in the presence of a plasmid containing the CAT gene fused to the 35S promoter

  29. Species --- (n) A group of animals or plants within a genus differing only in minor details form the others, and able to breed with each other but not with other groups

  30.  Stability --- (n) The condition of being strong ,steady and not changing

  31. Strain --- (n) A breed or type

  32. T-DNA --- (n) It stands for transferred DNA

  33. Tissue --- (n) A group of cells which performs similar specialized functions in a body

  34. Transformation ---  (n) A complete change in someone or something

  35. Tumor --- (n) The abnormal mass of new tissue growing in or on part of the body

  36. Vector --- (n) An organism which transmits parasitic bacteria or virus from one host to another

  37. Virus --- (n) An ultra-microscopic and filterable agent, many diseases of plants and animals are due to it, it may be a living organism or a complex communicable molecule

  38. Wound --- (n) An injury caused deliberately to part of the body by cutting, shooting, etc., especially as the result of an attack