Chapter 4 - Structure and Function of Cells Flashcards
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Micrograph
A micrograph made by an electron microscope.
TEM
transmission electron microscope
Cytoplasm
Contents of a cell between the nucleus and the plasma membrane that contains the organelles
Nuclear Envelope
Double membrane that surrounds the nucleus and is connected to the endoplasmic reticulum; has pores that allow substances to pass between the nucleus and the cytoplasm
Transport Vesicle
Vesicle formed in the ER that carries proteins and lipids to the Golgi apparatus
Vacuoles
Membrane-bounded sac, larger than a vesicle; usually functions in storage and can contain a variety of substances. In plants, the central vacuole fills much of the interior of the cell
Cilia
(cell and molecular biology) Relatively short, centriole-based, hairlike processes on certain anatomical cells and motile organisms.
Resolving Power
Resolving power is the ability of an imaging device to separate distinctive points of an object; it is important because the more resolving power a microscope has the better we can see the cell and its structures
Prokaryotic
An organism that lacks a membrane-bounded nucleus and membranous organelles typical of eukaryotes
Organelles
Small membranous structure in the cytoplasm having a specific structure and function
Nucleolus
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Golgi Apparatus
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Mitochondria
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Flagella
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Cell Theory
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Eukaryotic
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Nucleus
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Endomembrane System
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Lysosome
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Cytoskeleton
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Centrioles
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Scanning Election Microscope (SEM)
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Nucleoid Region
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Chromatin
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Lysosomal Storage Diseases
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Compartmentalization
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Pili
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Chromosome
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Endoplasmic Reticulum
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Why are cells limited in size
Cells are limited in size to efficiently transport nutrients.
