Many cells, bacteria, and other microorganisms are transparent to visible light and must be stained for microscopic investigation.

Many of the cells and microorganisms which are transparent to visible light, absorb or reflect the much shorter wavelengths of the ultraviolet spectrum.

Many protists also exist as individual amoeboid cells, or take such a form at some point in their life-cycle.

Many types of specialized plasma membranes can separate cell from external environment: apical, basolateral, presynaptic and postsynaptic ones, membranes of flagella, cilia, microvillus, filopodia and lamellipodia, the sarcolemma of muscle cells, as well as specialized myelin and dendritic spine membranes of neurons.

Many green algae, such as the Dasycladales encase their cells in a secreted skeleton of calcium carbonate.

Many plant cells have walls that are strong enough to withstand the osmotic pressure from the difference in solute concentration between the cell interior and distilled water.

Many cells have only a single mitochondrion, whereas others can contain several thousand mitochondria.

Many neurons have only one axon, but this axon may — and usually will — undergo extensive branching, enabling communication with many target cells.

Many of the features found in human ovaries are common to all vertebrates, including the presence of follicular cells, tunica albuginea, and so on.

Many argue that these are not themselves alive in the traditional sense, but these structures exhibit many of the characteristics of cells accepted as living cells:

Many transcription factors, especially some that are proto-oncogenes or tumor suppressors, help regulate the cell cycle and as such determine how large a cell will get and when it can divide into two daughter cells.

Many neurons in the rat and mouse hippocampus respond as place cells: that is, they fire bursts of action potentials when the animal passes through a specific part of its environment.

Many cells can completely undergo interphase without centrioles.

Many cyanobacteria even display the circadian rhythms that were once thought to exist only in eukaryotic cells ( see bacterial circadian rhythms ).

Many cells also possess a calcium ATPase, which can operate at lower intracellular concentrations of calcium and sets the normal or resting concentration of this important second messenger.

Many lichens reproduce asexually, either by vegetative reproduction or through the dispersal of diaspores containing algal and fungal cells.

Many bacteria can be found deep in the mucus, which is continuously secreted by mucus-secreting cells and removed on the luminal side.

Many starfish also possess individual photoreceptor cells across their bodies and are able to respond to light even when their eyespots are covered.

Many cells bind to components of the extracellular matrix.

Many cells possess these receptors, and the binding of an agonist will generally cause a sympathetic ( or sympathomimetic ) response ( e. g. the fight-or-flight response ).

Many forms of cutaneous and mucosal allergy are mediated for a large part by mast cells ; they play a central role in asthma, eczema, itch ( from various causes ) and allergic rhinitis and allergic conjunctivitis.

Many cancer cells are considered ' immortal ' because telomerase activity allows them to divide virtually forever, which is why they can form tumors.

Many pre-invasive lesions in cases of squamous cell carcinoma often regress after long-term reduced exposure of the affected cells and tissues to the original environmental carcinogenic stimulus, such as that seen after long-term abstention from tobacco smoking.

Many are asymmetrical, the cells twisting sideways and then untwisting again prior to division, which often takes place within cysts.

Many later Marxist theorists ( e. g. Eric Wolfe ) have generalized this characterization to include non-European societies, grouping feudalism together with Imperial Chinese and pre-Columbian Incan societies as ' tributary.

Many labor unions and workers ' parties worldwide were also influenced by Marxist ideas, while various theoretical variants, such as Leninism, Stalinism, Trotskyism, and Maoism, were developed from them.

Many liberal economists believe that the Marxist labor theory of value has been " discredited ".

Many theatre works were sympathetic towards Marxist themes, or were overt experiments in propaganda, such as the agitprop theatre by Brecht and Weill.

Many cultural studies scholars employed Marxist methods of analysis, exploring the relationships between cultural forms ( the superstructure ) and that of the political economy ( the base ).

Many of the prominent members of the party in 1920 had a very poor understanding of Marxist theory.

Many were homosexual and Marxist at that time.

Many CPGB and Independent Labour Party members went to fight for the Republic and with the Stalinist led International Brigades and the Workers ' Party of Marxist Unification ( POUM ) anti-fascist forces, including George Orwell who wrote about his experiences in Homage to Catalonia.

Many of its founding members were labour organizers and anti-war activists and had belonged to groups such as the Socialist Party of Canada, One Big Union, the Socialist Labor Party, the Industrial Workers of the World, and other socialist, Marxist or Labour parties or clubs and organizations.

Many critics, both philosophers outside Marxism and some Marxist philosophers, feel that this is too quick a dismissal of the post-Marxian philosophical tradition.

Many Marxist opponents of the war, such as Rosa Luxemburg, blamed the Second International's " betrayal " partly on its doctrine of the inevitability of socialism, which justified its attempt to reform existing capitalist states.

Many such organizations may call themselves Maoist, Marxist – Leninist or even just simply " revolutionary communist ".

Many of them had a background in the orthodox Marxist wing of the Social Democratic Workers ' Party or the Christian Democratic Union ( CDU ), which had merged into the PvdA.

Many Chinese writers also began to write more about the reality, examining on the local arts and the Marxist ideas.

Many academic reviewers praised the book's bold argument about the corporate control of science and technology, although some including Alfred Chandler expressed reservations about its forthright Marxist thesis.

Many Marxist scholars regard the coup as a forerunner of the phenomenon of 20th century fascism.

Many had found Marxist feminism difficult to swallow and preferred their traditional female roles.