Synaptic vesicles occure in

Synaptic vesicles occure in
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Synaptic vesicles occure in A. Environmental B. Adaptive C. Habitual D. Both A and B
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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

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.

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

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

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

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

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+

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

Receptor sites for neurotransmitters are present on (a) pre-synaptic membrane (b) tips of axons (c) post-synaptic membrane (d) membranes of synaptic vesicles.

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

Receptor sites for neurotransmitters are present on : (1) Pre-synaptic membrane (2) Tips of axons (3) Post-synaptic membrane (4) Membrane of synaptic vesicles

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

Assertion: Algal blooms occure in nutrient poor water. Reason: Algal blooms make water unfit for human consumption but cause enormous growth of fish.

Description : Assertion: Algal blooms occure in nutrient poor water. Reason: Algal blooms make water unfit for human consumption but cause enormous growth of fish.

Last Answer : Assertion: Algal blooms occure in nutrient poor water. Reason: Algal blooms make water unfit for human ... true but reason is wrong D. both are wrong

Winged fruits occure in

Description : Winged fruits occure in

Last Answer : Winged fruits occure in A. Lagerstroemia B. Middle cell C. Epiblest D. Suspensor

Which does not occure in cell membrane

Description : Which does not occure in cell membrane

Last Answer : Which does not occure in cell membrane A. Cholesterol B. Permease C. Glycoprotein D. Proline

The change in flux linkages can be caused in which ofthe following ways ? (a) The flux is constant with respect to time and is stationary and the coil moves through it (b) The coil is stationary with respect to flux and the flux varies in magnitude with respect to time (c) Both the changes mentioned above occure together, i.e., the coil moves through a time varying field (d) All ofthe above

Description : The change in flux linkages can be caused in which ofthe following ways ? (a) The flux is constant with respect to time and is stationary and the coil moves through it (b) The coil is stationary with ... above occure together, i.e., the coil moves through a time varying field (d) All ofthe above

Last Answer : (d) All ofthe above

Explain the mechanism of synaptic transmission. -Biology

Description : Explain the mechanism of synaptic transmission. -Biology

Last Answer : answer:

What is Synaptic Knob ?

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 .

What is Synaptic Cleft ?

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 .

What is Post Synaptic Neuron ?

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.

What Molecules of what substances are stored in synaptic terminals?

Description : What Molecules of what substances are stored in synaptic terminals?

Last Answer : Need answer

In the context of synaptic transmission the reabsorption is called?

Description : In the context of synaptic transmission the reabsorption is called?

Last Answer : Need answer

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

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

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

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

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

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

The synaptic knobs represent the terminal endings of (a) the neuron (b) the dendron (c) the axon (d) the telodendria

Description : The synaptic knobs represent the terminal endings of (a) the neuron (b) the dendron (c) the axon (d) the telodendria

Last Answer : Ans:(d)

Which chemical substance is secreted into the synaptic cleft?

Description : Which chemical substance is secreted into the synaptic cleft?

Last Answer : Acetyl choline

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

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

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, it is inactivated by hydrolysis d. reuptake by the presynaptic neurones play an important in inactivating acetylcholine

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

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

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

Component of seminal vesicles that provides a forensic test for rape is

Description : Component of seminal vesicles that provides a forensic test for rape is

Last Answer : Component of seminal vesicles that provides a forensic test for rape is A. Phosphorycholine B. Prostaglandin C. Fructose D. Citric acid

Arrange male reproductive accessory organs based on the amount of secretion poured into urethra (i) Prostate gland, (ii) Seminal vesicles (iii) Bulbou

Description : Arrange male reproductive accessory organs based on the amount of secretion poured into urethra (i) Prostate gland, (ii) Seminal vesicles (iii) Bulbou

Last Answer : Arrange male reproductive accessory organs based on the amount of secretion poured into urethra (i) Prostate ... ` C. `iigtiiigti` D. `iigtigtiii`.

Vesicles of thyroid gland is composed of :-

Description : Vesicles of thyroid gland is composed of :-

Last Answer : Vesicles of thyroid gland is composed of :- A. Simple squamous epi. B. Simple cuboidal epi. C. St. squamous epi. D. St . Cuboidal epi.

Assertion:- `H^(+)` pump of the membranes essentially work for lysosoml vesicles. Reason:- Hydrolysing enzymes of lysosome are tend to work for lysoso

Description : Assertion:- `H^(+)` pump of the membranes essentially work for lysosoml vesicles. Reason:- Hydrolysing enzymes of lysosome are tend to work for lysoso

Last Answer : Assertion:- `H^(+)` pump of the membranes essentially work for lysosoml vesicles. Reason:- Hydrolysing ... . D. If both Assertion & Reason are false.

(a) Minute vesicles (b) Membrane bound ( c ) Contained enzymes (d) Present in plant and animals Above statements are correct for :-

Description : (a) Minute vesicles (b) Membrane bound ( c ) Contained enzymes (d) Present in plant and animals Above statements are correct for :-

Last Answer : (a) Minute vesicles (b) Membrane bound ( c ) Contained enzymes (d) Present in plant and ... Plastids B. Microbodies C. Nucleoli D. Satellite bodies

What special vesicles containing enzymes?

Description : What special vesicles containing enzymes?

Last Answer : The special vesicles containing enzymes are called Lysosomes.

What color is vesicles?

Description : What color is vesicles?

Last Answer : we really don't know because in a microscope it looks black andwhite

What is the process by which vesicles release their contents outside the cell?

Description : What is the process by which vesicles release their contents outside the cell?

Last Answer : Feel Free to Answer

Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus

Description : Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus

Last Answer : Ans. ((a))

The transport of proteins out of the cell is termed exocytosis. Which of the following statement(s) is/are true concerning this process? a. Secretory vesicles fuse with the plasma membrane b. The process can occur in either a constitutive or regulated process c. A regulated secretion is triggered by a stimulus, most likely a hormone or a neurotransmitter d. A decrease in cytoplasmic calcium occurs as part of the secretion process

Description : The transport of proteins out of the cell is termed exocytosis. Which of the following statement(s) is/are true concerning this process? a. Secretory vesicles fuse with the plasma membrane b. ... or a neurotransmitter d. A decrease in cytoplasmic calcium occurs as part of the secretion process

Last Answer : Answer: a, b, c Transport vesicles that bud off the Golgi network carry both material to be secreted from the cell and protein destined to become components of the plasma ... but may also involve generation of diacylglycerol or production of cyclic AMP which activate kinases or phosphatases

Following events occur in the cytoplasm and not inside storage vesicles, except (a) Conversion of tyrosine to dopa (b) Conversion of dopa to dopamine (c) Conversion of dopamine to norepinephrine (d) Conversion of dopamine to 3,4 dihydroxy phenyl acetic acid

Description : Following events occur in the cytoplasm and not inside storage vesicles, except (a) Conversion of tyrosine to dopa (b) Conversion of dopa to dopamine (c) Conversion of dopamine to norepinephrine (d) Conversion of dopamine to 3,4 dihydroxy phenyl acetic acid

Last Answer : Ans: C

A netlike membranous complex of superposed flat saccules with vesicles detaching from the extremities seen in electronic microscopy ?

Description : A netlike membranous complex of superposed flat saccules with vesicles detaching from the extremities seen in electronic microscopy ?

Last Answer : What is the observed structure? What is its biological function? What is being observed is the Golgi complex, or Golgi apparatus. This cytoplasmic organelle is associated with chemical processing and ... their substances to the exterior. Cell Structure Review - Image Diversity: Golgi apparatus

Which of the following is the primary sex organ in man? (1) Prostrate (2) Testis (3) Vas defences (4) Seminal vesicles

Description : Which of the following is the primary sex organ in man? (1) Prostrate (2) Testis (3) Vas defences (4) Seminal vesicles

Last Answer : (2) Testis Explanation: In the case of male reproductive system the primary sex organs are a pair of testes lying outside the abdominal cavity, enclosed in a sac called the scrotum.

----- are called the powerhouses of the cell? A. Mitochondria (Answer) B. Vesicles C. Lungs D.Liver

Description : ----- are called the powerhouses of the cell? A. Mitochondria (Answer) B. Vesicles C. Lungs D.Liver

Last Answer : A. Mitochondria (Answer)

----- are called the powerhouses of the cell? A. Mitochondria (Answer) B. Vesicles C. Lungs D.Liver

Description : ----- are called the powerhouses of the cell? A. Mitochondria (Answer) B. Vesicles C. Lungs D.Liver

Last Answer : A. Mitochondria (Answer)

With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of epithelial cells d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal

Last Answer : the lens first appears at 27 days of gestation

Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in vesicles and secretory granules d. moved across the cell membranes by endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

Description : Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in ... endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

Last Answer : found in vesicles and secretory granules

The small spherical organelles attached to rough endoplasmic reticulum are called a. vesicles b. vacuoles c. ribosome d. polysomes

Description : The small spherical organelles attached to rough endoplasmic reticulum are called a. vesicles b. vacuoles c. ribosome d. polysomes

Last Answer : ribosome

Edible part of pomegranate is a. Seed b. Vesicles c. Mesocarp d. Aril

Description : Edible part of pomegranate is a. Seed b. Vesicles c. Mesocarp d. Aril

Last Answer : Aril

Epithelial cells of the intestine involved in food absorption have on their surface (a) pinocytic vesicles (b) microvilli (c) zymogen granules (d) phagocytic vesicles.

Description : Epithelial cells of the intestine involved in food absorption have on their surface (a) pinocytic vesicles (b) microvilli (c) zymogen granules (d) phagocytic vesicles.

Last Answer : (b) microvilli

Besides giving out secretory vesicles, the Golgi apparatus is also concerned with the formation of (a) lysosomes (b) plastids (c) grana of chloroplasts (d) cell plates after cell division in plants.

Description : Besides giving out secretory vesicles, the Golgi apparatus is also concerned with the formation of (a) lysosomes (b) plastids (c) grana of chloroplasts (d) cell plates after cell division in plants.

Last Answer : (a) lysosomes

The Golgi complex participates in (a) fatty acid breakdown (b) formation of secretory vesicles (c) respiration in bacteria (d) activation of amino acid

Description : The Golgi complex participates in (a) fatty acid breakdown (b) formation of secretory vesicles (c) respiration in bacteria (d) activation of amino acid

Last Answer : b) formation of secretory vesicles

In male cockroaches, sperms are stored in which part of the reproductive system? (a) Seminal vesicles (b) Mushroom glands (c) Testes (d) Vas deferens

Description : In male cockroaches, sperms are stored in which part of the reproductive system? (a) Seminal vesicles (b) Mushroom glands (c) Testes (d) Vas deferens

Last Answer : (a) Seminal vesicles

All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia (a) can induce root nodules on many plant species (b) can fix nitrogen in the free-living state (c) cannot fix specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids (d) like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host’s cortex

Description : All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia (a) can induce root nodules on many plant species (b) can fix ... its host plant through root hair deformation and stimulates cell proliferation in the host's cortex

Last Answer : (b) can fix nitrogen in the free-living state

A red, itchy rash that forms small, teardrop-shaped, fluid-filled vesicles is typical of a. Measles. b. Rubella. c. Chickenpox. d. Mumps.

Description : A red, itchy rash that forms small, teardrop-shaped, fluid-filled vesicles is typical of a. Measles. b. Rubella. c. Chickenpox. d. Mumps.

Last Answer : c. Chickenpox.