Organisation of the organism Flashcards
Cytoplasm
found inside the cell and contains all the other cell structures
The large nucleus is surrounded by a
nuclear membrane to separate it from the
cytoplasm
The cell membrane surrounds the
cell
The cell wall is made of
cellulose and surrounds the cell membrane in plant cells
Chloroplasts
organelles found in the cytoplasm that are packed with the pigment chlorophyll and so are green in colour
Vacuoles
are large vesicles that take up a large part of the interior of plant cell
Mitochondria
singular: mitochondrion) are organelles found throughout the cytoplasm
Ribosome
are tiny structures that can be free within the cytoplasm or attached to a system of membranes within the cell known as Endoplasmic Reticulum
Endoplasmic reticulum
studded with ribosomes looks rough under the microscope; this gives rise to its name of Rough Endoplasmic Reticulum
(R.E.R.)
Vesicles
also be seen using a higher magnification – these are small
circular structures found moving throughout the cytoplasm
Nucleus function
Contains genetic material in chromosomes which
Control how cells grow and work
Controls cell division
Cytoplasm function
supports cell structures
site of many chemical reactions
contains water and many solute
Cell membrane function
holds the cell together
controls substances entering and leaving the cell
Cell wall function
gives the cell extra support and defines its shape
Chloroplast function
site of photosynthesis, providing food for plants
the chlorophyll pigments absorb light energy needed for the reaction to
occur