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Motor in Biological Definition

Muscle

... impulses transmitted by the nerves , the motor nerves and motoneurons in particular. All ... correspond with neuron groups along the primary motor area of the brain's cerebral cortex . Commands ... to the spinal cord and from there to the motor end plate at the muscles. Along the way, ...

Stem cell

... neural stem cells, then into the beginnings of motor neurons before finally differentiating into spinal motor neuron cells, the cell type that, in the human ... the brain to the spinal cord. The newly generated motor neurons exhibited electrical activity, the ...

Anaphase

... kinetochore mictrotubules by depolymerisation at both ends. During this, motor proteins at the kinetochores pull on the kinetochore microtubules. ... the elongation of overlap microtubules and the use of two distinct sets of motor proteins: one of these pulls overlap microtubules past each other, the ...

Brain

... of the brain are responsible for cognition , emotion , memory , motor learning and other sorts of learning . The brain is primarily made up ... , the brain has several parallel systems of muscle control. The motor system controls voluntary muscle movement, aided by feedback loops in ...

Flagellum

... gradient set up by the cell's metabolism (in Vibrio species the motor is a sodium ion pump, rather than a proton pump ). The rotor ... flagella are almost certainly powered by ATP . The torque-generating motor that powers rotation of the archaeal flagellum has not been identified. ...

Kinesiology

... biology , and anthropology . Related interdisciplinary fields in motor skills , skills research are graphonomics , i.e., the study of handwriting movement control and the study of motor control in speech . Kinesiology can also include the study of the areas ...

List of gene families

... immune system proteins 3 Related protein families 3.1 motor proteins 3.2 Signal transducing proteins 3.3 Transporters ... complex (MHC) Related protein families motor proteins Myosin Kinesin Dynein Signal ...

Memory

... an implicit learning. Procedural memory is primarily employed in learning motor skills and should be considered a subset of implicit memory. It is ... aspects of those previous experiences. Procedural memory involved in motor learning depends on the cerebellum and basal ganglia . ...

Actin

... usage of ADP. In contractile bundles, the actin-bundling protein actinin separates each filament by 40 nm . This increase in distance allows the motor protein myosin to interact with the filament, enabling deformation or contraction. In the first case, one end of myosin is bound to the plasma ...

Adenosine triphosphate

... : Energy is released when hydrolysis of the phosphate-phosphate bonds is carried out. This energy can be used by a variety of enzymes , motor proteins , and transport proteins to carry out the work of the cell. Also, the hydrolysis yields free inorganic phosphate and adenosine ...

Barbiturate

... amounts, these drugs produce a state of intoxication that is remarkably similar to alcohol intoxication . Symptoms include slurred speech, loss of motor coordination, and impaired judgment. Depending on the dose, frequency, and duration of use, one can rapidly develop tolerance , physical dependence, ...

Cell growth

... of synaptic contacts onto the neuron or from a neuron onto other cells. For example, the size of motoneurons usually reflects the size of the motor unit that is controlled by the motoneuron. Invertebrates often have giant neurons and axons that provide special functions such as rapid action ...

Chromosome

... Edward's syndrome is the second most common trisomy after Down's Syndrome. It is a trisomy of chromosome 18. Symptoms include mental and motor retardation. Patau Syndrome , also called D-Syndrome or trisomy-13. Symptoms somewhat similar to those of trisomy-18. Jacobsen syndrome , also ...

Cilium

... pairs of microtubule doublets and other associated proteins. Motile cilia have a central core with two additional microtubule singlets and dynein motor proteins which are attached to the outer microtubule doublets. Biologists refer to this organization as a cononical "9 + 2" structure. The ...

Ion gradient

... by pumping in protons from the environment with the help of the solar driven enzyme bacteriorhodopsin , here it is used for driving the molecular motor enzyme ATP synthase to make the necessary conformational changes required to synthesize ATP. Proton gradients are also be made by bacteria by ...

Actin

... usage of ADP. In contractile bundles, the actin-bundling protein actinin separates each filament by 40 nm . This increase in distance allows the motor protein myosin to interact with the filament, enabling deformation or contraction. In the first case, one end of myosin is bound to the plasma ...

Mitosis

... kinetochore is an enormously complex structure that is not yet fully understood. The key feature of a kinetochore is that it contains a molecular motor that uses energy from ATP molecules to move a chromatid along a microtubule, like a train on a train track. Two kinetochores form on each ...

Myosin

... Myosin is a motor protein filament found in muscle tissue . Together with actin filaments, myosin provides the mechanism for muscle contraction , utilizing ...

Nervous system

... processes of nerve cells) are considered to be PNS. The peripheral nervous system can also be roughly seen as consisting of sensory pathways and motor pathways , the latter being divided into the somatic (voluntary) nervous system and the autonomic nervous system . The somatic nervous system ...

Neuroscience

... the operation of neurotransmitters at the synapse ; the biological mechanisms that underlie learning (both declarative learning and motor learning ); how genes contribute to neural development in the embryo and throughout life the operation of relatively simpler neural ...

Protein

... microtubules, actin , intermediate filaments, collagen and keratin are components of skin, hair, and cartilage . Another class are the motor proteins such as myosin , kinesin, and dynein. Muscles are composed largely of the proteins myosin and actin . Working with proteins ...

Mitosis

... kinetochore is an enormously complex structure that is not yet fully understood. The key feature of a kinetochore is that it contains a molecular motor that uses energy from ATP molecules to move a chromatid along a microtubule, like a train on a train track. Two kinetochores form on each ...
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