Description : When the electric impulse travels along the axon and reaches the other end called the synaptic terminal, this impulse triggers the release of – (1) Vesicles (2) Cleft (3) Mitochondria (4) All of the above
Last Answer : (1) Vesicles Explanation: The electrical impulses stimulate the release of vesicles. These store various neurotransmitters that are released at the synapse. Vesicles are essential for propagating nerve impulses between neurons and are constantly recreated by the cell.
Description : The figure shows an axon terminal and synapse. Select the option giving correct identification of labels A-D. A C D B (a) A-Action potential, C-Neurotransmitter (b) B-Neurotransmitter, D- Receptor capsules (c) C-Receptor, D-Synaptic vesicles (d) A-Axon terminal, B- Serotonin complex
Last Answer : c) C-Receptor, D-Synaptic vesicles
Description : A diagram showing axon terminal and synapse is given. Identify correctly at least two of A - D. (a) A - Neurotransmitter, B - Synaptic cleft (b) C - Neurotransmitter, D - Ca++ (c) A - Receptor, C - Synaptic vesicles (d) B - Synaptic connection, D - K+
Last Answer : (c) A - Receptor, C - Synaptic vesicles
Description : What is Post Synaptic Neuron ?
Last Answer : Parts of two neurons combine to form synapses. The neuron that participates in the formation of the axon synapse is called the presynaptic neuron. The other neurons that make up synapses are called post synaptic neurons.
Description : Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon
Last Answer : Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon
Description : The filtration unit of kidney is - (1) axon (2) nephron (3) neuron (4) yellow fiber
Last Answer : (2) nephron Explanation: Nephron is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.
Description : (4) Fundamental unit of nervous system Explanation: A neuron is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon.
Last Answer : Water cycle refers to - (1) an integrated attempt to recycle water in relatively arid regions (2) constant movement of water from ocean to land and back to ocean once again (3) ... management of water in areas excessively plagued with water-logging (4) water distribution in relatively dry area
Description : The action potential of a neuron a. is initiated by efflux of Na+ b. is terminated by efflux of K+ c. declines in amplitude as it moves along the axon d. results in a transient reversal of the ... the cell membrane e. is not associated with any net movement of Na+ or K+ across the cell membrane
Last Answer : is terminated by efflux of K+
Description : The fundamental structural and functional unit of nerves system is a. axon b. dendrite c. cell body d. neuron
Last Answer : neuron
Description : The junction between the axon of one neuron and the dendrite of the next is called (a) constant bridge (b) junction point (c) a joint (d) a synapse.
Last Answer : d) a synapse.
Description : Which of the following are NOT part of a neuron? a) synapse b) axon c) Nissl bodies d) dendrite
Last Answer : ANSWER: A -- SYNAPSE
Description : The filtration unit of kidney is (1) axon (2) nephron (3) neuron (4) yellow fiber
Last Answer : nephron
Description : Phenylephrine (a) Mimics the transmitter at post-synaptic receptors (b) Displaces transmitter from axonal terminal (c) Inhibits synthesis of transmitter (d) None of the above
Last Answer : Ans: A
Description : Label te parts in the given diagram of axon terminal and synapse
Last Answer : Label te parts in the given diagram of axon terminal and synapse
Description : What does dendron mean ?
Last Answer : Dendrons are the branches that form around the cell body. These are not too long. Branches formed from dendrons are called dendrites. By these the nerve impulses are transmitted to the body of the neuron.
Description : What is Dendron ?
Last Answer : : Dendrons are the branches that form around the cell body. These are not too long. The branches that cause dendrons are called dendrites.
Description : Looking for jade-esque cabinet knobs?
Last Answer : answer:What do you mean by jade-esque. Green glass, green resin, carved, large, small, transparent, translucent, opaque? LIke this, for example? Or this?
Description : What states are Suicide knobs (AKA Brondie knobs, Spinners, Granny knobs .ect) legal?
Last Answer : I thought they were illegal in all states, except when the driver had a disability. The best way of finding out is to call your local DMV (or DoT or whatever it’s called in NH) and find out.
Description : Can I or how can I replace the A/C knobs in a 2002 Nissan Altima to a newer altimas knobs?
Last Answer : I would only let a dealer perform this function. the knobs may not be the same and once you discover this yourself, it may be too late. let the dealer advise you.
Description : Where can I find after market car A/C knobs for a car?
Last Answer : Depending on the car, probably the best and easiest solution would be to go to a salvage yard and find what fits. First find a car like yours, then go around and see what you like, Checking to ... can either order the ones you find, or order new ones from the dealership of the vehicle you found.
Description : What are these little knobs on my house, and will I die if I touch them?
Last Answer : Spring for a quick visit from electrician before they kill you.
Description : I have a tree with grey bark, green oval leaves comes to a point the bark has white little knobs on it?
Last Answer : Need Answer
Description : Are steering wheel knobs illegal?
Last Answer : No, they arent illegal. Some people with certain disabilities or handicapped people have to use a knob because it is easier to use than to hold the steering wheel. Some bus drivers and tractor trailor ... They arent as common as they used to be, but some automotive accessory stores still sell them.
Description : Write down the method used for following product : (i) credit card (ii) carrying case (iii) hollow cylinder (iv) knobs
Last Answer : i) Credit Card :- Plastic compounding and molding, Printing, Lamination, Cutting and Embossing. ii) Carrying case:- injection moulding iii) Hollow cylinder:- extrusion iv) Knobs:- compression moulding
Description : List any four measure knobs on front panel on CRO.
Last Answer : Knobs on front panel of CRO: 1. Power ON- OFF 2. Intensity control 3. Focus control 4. Astigmatism control 5. Volt/Div control 6. Vertical position control 7. Invert 8. Horizontal position control 9. Synchronization. 10. Channel selection.
Description : What do the arrow-like symbols at coordinate '33J' shown in the illustration represent? EL-0099 A. Connection to ground. B. Connection to the analog common bus. C. Plug-in connection. D. Screw connection on a terminal board.
Last Answer : Answer: C
Description : The small circular symbols to which wire '52N57E' is connected at coordinates '57L' and '57P' shown in the illustration represent ___________________. EL-0100 A. relay contact solder points B. wire wrap connections C. terminal board screws D. switch contact terminals
Description : Which chemical substance is secreted into the synaptic cleft?
Last Answer : Acetyl choline
Description : Explain the mechanism of synaptic transmission. -Biology
Last Answer : answer:
Description : What is Synaptic Knob ?
Last Answer : The presynaptic membrane is actually part of the swollen edge of the axon of the presynaptic neuron. The swollen edge of the axon is called the synaptic knob .
Description : What is Synaptic Cleft ?
Last Answer : The synaptic membrane of the presynaptic neuron and the stsynaptic membrane of the postsynaptic neuron combine to form synapses. There is a fluid gap between these two membranes about 20 nanometers in length. It is called synaptic cleft .
Description : Synaptic vesicles occure in
Last Answer : Synaptic vesicles occure in A. Environmental B. Adaptive C. Habitual D. Both A and B
Description : What Molecules of what substances are stored in synaptic terminals?
Last Answer : Need answer
Description : In the context of synaptic transmission the reabsorption is called?
Description : GABA(gama amino butyric acid) is (A) Post-synaptic excitatory transmitter (B) Post-synaptic inhibitor transmitter (C) activator of glia-cell function (D) inhibitor of glia-cell function
Last Answer : Answer : B
Description : The synaptic pre-ganglionic neurons have their cell bodies in the lateral horn of the grey matter of the (a) Thoracic segment only (b) Lumbar segment only (c) Both (a) and (b) (d) None of the above
Last Answer : Ans: C
Description : The release of neurotransmitter from synaptic vesicles: a. takes place by exocytosis b. is controlled by neuronal calcium influx c. is quantal d. all above
Last Answer : all above
Description : The following are true about the synaptic potential: a. the Na+ and K+ currents occurs simultaneously b. is a graded potential c. the channel is ligand-gated d. the post-synaptic potential is inhibitory when depolarizing
Last Answer : the Na+ and K+ currents occurs simultaneously
Description : The following are true about acetylcholine: a. it is synthesized from acetyl-coenzyme A and choline b. its formation is catalysed by acetylcholinesterase c. at the synaptic cleft, ... inactivated by hydrolysis d. reuptake by the presynaptic neurones play an important in inactivating acetylcholine
Last Answer : at the synaptic cleft, it is inactivated by hydrolysis
Description : At the adrenergic synapse, the concentration of adrenaline in synaptic cleft: a. increased by cocaine which inhibit reuptake of adrenaline b. decreased by MAO (monoamine oxidase) - inhibitors c. controlled chiefly by the activity of the enzyme COMT d. increased by noradrenaline receptor blockers
Last Answer : increased by cocaine which inhibit reuptake of adrenaline
Description : Receptor sites for neurotransmitters are present on (a) pre-synaptic membrane (b) tips of axons (c) post-synaptic membrane (d) membranes of synaptic vesicles.
Last Answer : (c) post-synaptic membrane
Description : Match the following cell structure with its characteristic feature. (A) Tight junctions (i) Cement neighbouring cells together to form sheet (B) Adhering junctions (ii) Transmit information through chemical to another cells (C) Gap ... iii) (c) (iii) (i) (iv) (ii) (d) (iv) (iii) (i) (ii)
Last Answer : (c) (iii) (i) (iv) (ii)
Description : Receptor sites for neurotransmitters are present on : (1) Pre-synaptic membrane (2) Tips of axons (3) Post-synaptic membrane (4) Membrane of synaptic vesicles
Last Answer : (3) Post-synaptic membrane
Description : The axon is covered by a fatty sheath called
Last Answer : Myelin Sheath.
Description : The axon ends in a bunch of branches called
Last Answer : telodendrons.
Description : What is axon?
Last Answer : An axon is a single long, cylindrical fibre extending from a cell body
Description : Cells which envelop nerve fibres and form myelin sheath around the axon are
Last Answer : Cells which envelop nerve fibres and form myelin sheath around the axon are