1-cells-tissues

1-cells-tissues - Cells and Tissues growing point 1 leaf...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Cells and Tissues leaf growing point bud stem © Biophoto Associates 0.02cm 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Cutting sections The slice of tissue must be only 0.01-0.1 mm thick if cells are to be seen clearly Thin slices of plant tissue can be made by hand using a sharp razor blade The slices are called sections Special apparatus and techniques are needed to make very thin sections The next slide shows the difference between a transverse and a longitudinal section 2
Background image of page 2
Cutting sections Transverse section Longitudinal section 3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A group of cells from animal tissue cytoplasm cell membrane nucleus 4
Background image of page 4
Cytoplasm cytoplasm 5 The cytoplasm is a living, semi- liquid material Although it looks structureless it contains many structures which are not visible at this magnification All the processes which keep the cell alive, take place in the cytoplasm or nucleus
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
nucleus 6 The nucleus is a specialised region of cytoplasm which regulates all the chemical changes which take place in the cytoplasm It sends chemical signals to the
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/29/2011 for the course BIO 218 taught by Professor Young during the Fall '11 term at BYU.

Page1 / 22

1-cells-tissues - Cells and Tissues growing point 1 leaf...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online