EDUCATION

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RATIBA YA MTIHANI WA FORM SIX MAY-2017 Hii Hapa ..........

 THE NATIONAL EXAMINATIONS COUNCIL OF TANZANIA

ACSEE 2017 EXAM TIMETABLE

ADVANCED CERTIFICATE OF SECONDARY EDUCATION
EXAMINATION MAY
2017
TIMETABLE

 

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CONTACT US
  • The Executive Secretary,
    The National Examinations Council of Tanzania
    P.O. BOX 2624 OR 32019
    Dar es Salaam.
  • +255-22-2700493 - 6/9
  • +255-22-2775966
© 2017 The National Examinations Council of Tanzania














 


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On-Line Learning with Mr.Juma A. Mkiwa in BIOLOGY

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Na Dr.Doppler.... CYTOL O GY-1 Dr.Doppler akiwa mahabala @2017 02.CYTOLOGY Form  SIX By Juma a. mkiwa dr.doppler 0756547078 THE CONCEPT OF CYTOLOGY . Cytology is the study of cells, their structures, functions, characteristics and adaptations. THE CELL THEORY The bodies of all living things are made up of cells. Robert Hooke (1665) was the first person to discover a cell from a plant cork. The cells looked like boxes. Other people who studied the structure of cells are Lamark (1809), Detrochet (1824) and Turpin (1826). Schleiden (1838) studied the plant cells and emphasized that the cells are organisms and entire animals and plants are aggregations of these organisms arranged according to the definite laws. In 1839 Schwann, a German botanist stated that ” we have seen that all organisms are composed of essentially like parts namely of cells”.   IMPORTANCE OF CYTOLOGY Cytology has been very important discipline in the research diagnosis...
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