Cell Structure definitions Flashcards
centrioles
Structures found in the cytoplasm made of microtubules that produce the spindle
fibres during mitosis.
chloroplasts
Organelles found in plants and algae that are the site of photosynthesis.
cilia
Small hair-like structures that project from the surface of cells.
confocal microscopy
A type of microscopy that uses lasers to scan a specimen point by point to produce an image.
confocal microscopy
A type of microscopy that uses lasers to scan a specimen point by point to produce an image.
cytoskeleton
A mesh of protein fibres found in the cytoplasm of eukaryotic cells
used for structural support and intracellular transport.
differential staining
Using multiple different stains to distinguish different parts
of a specimen.
eukaryotic cell
A type of cell that contains a nucleus along with membrane bound organelles.
eukaryotic cell
A type of cell that contains a nucleus along with membrane bound organelles.
flagella
A whip-like structure found on bacterial cells that is used for cell movement.
golgi apparatus
An organelle found in eukaryotic cells that is involved in the modification and packaging of proteins
light microscope
A type of microscope that uses a series of lenses to magnify the visible light reflecting off a specimen.
lysosomes
Membrane-bound vesicles found in the cytoplasm that contain a hydrolytic
enzyme called lysozyme.
lysosomes
Membrane-bound vesicles found in the cytoplasm that contain a hydrolytic
enzyme called lysozyme.
magnification
How much bigger an image appears compared to the original object
magnification= image/actual
mitochondrion
An organelle found in eukaryotic cells that is the site of aerobic respiration.
nuclear envelope
A double membrane that surrounds the nucleus.
nucleolus
A structure found inside the nucleus that contains proteins and RNA and is involved in synthesizing new ribosomes.
nucleus
An organelle found in eukaryotic cells that stores the genetic information of the cell as chromosomes and is surrounded by a membrane called the nuclear envelope.
plasma membrane
A partially permeable lipid bilayer studded with proteins that surrounds the
cell and many organelles.
prokaryotic cell
A type of cell that does not contain any membrane-bound organelles or a nucleus.
resolution
The ability to distinguish two different points in a specimen.
ribosomes
Organelles found either free in the cytoplasm or membrane bound that are
involved in the synthesis of proteins.
RER
A membrane-bound organelle that is involved in the synthesis and packaging of proteins.
RER
A membrane-bound organelle that is involved in the synthesis and packaging of proteins.
SEM (scanning electron microscope)
A type of microscope that passes a
beam of electrons over the surface of a specimen to produce an image.
SER
A membrane-bound organelle involved in lipid synthesis.
TEM (transmission electron microscope)
A type of microscope that passes a
beam of electrons through a sample to produce an image.
