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General

The Cell Theory Development and History

Cytology, the clinical study of cells, was born in 1665 when Robert Hooke observed the empty cell walls of cork and created the word cellulae (” little cells”) to explain them. Soon he studied thin pieces of fresh wood and saw living cells “filled with juices”– a

Molecular Motors Functions and Types

Molecular motors are the molecular makers based of protein that carry out intracellular movements in response to particular stimuli. Functions of Molecular Motors Transport of synaptic vesicles including neurotransmitters from the afferent neuron body to synaptic terminal Role in cell division (mitosis and meiosis) by pulling the

Action Potential

Action potentials are the principal mechanism of nerve impulse propagation and transmission, and they allow depolarization at a single region of skeletal and cardiac muscle cells to spread across the entire cell. Action potentials require a stimulus that depolarizes the cell membrane potential to a threshold value,

Cell Membrane (Plasma Membrane) – Structure, Function and Composition

The cell membrane is a phospholipid bi-layer into which proteins, glycoproteins, and glycolipids are ingrained. The cell membrane is also known as plasma membrane or plasmalemma. This membrane separates the fluid outside the cell called extracellular fluid (ECF) and the fluid inside the cell called intracellular fluid

Cellular Respiration and Its Importance

Cells need a consistent supply of energy to power the chain reaction of life. This energy is straight provided by ATP molecules Due to the fact that cells have a minimal supply, ATP molecules should continuously be produced by cellular respiration in order to sustain life. Cellular

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