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

----- are called the powerhouses of the cell?

A. Mitochondria (Answer)

B. Vesicles

C. Lungs

D.Liver
by

1 Answer

Answer :

A. Mitochondria (Answer)
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----- 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)

Why mitochondria are called cell powerhouses ?

Description : Why mitochondria are called cell powerhouses ?

Last Answer : In mitochondria, Krebs-cycle of endemic respiration occurs and end respiration occurs which produces ATP . This ATP provides the energy needed for the various functions of the organism. That is why mitochondria are called cell powerhouses.

Why are Mitochondria known as the powerhouses of the cell? -Biology

Description : Why are Mitochondria known as the powerhouses of the cell? -Biology

Last Answer : Mitochondria are cell organelles present in the eukaryotic cells. They are involved in the cellular respiration. They releases energy from food. They generate energy rich molecules, ATP from cellular ... used for other process. Hence, mitochondria are called as the powerhouses of the cell.

Mitochondria are referred to as the ‘powerhouses’ of a cell. This is because they convert food to energy, or ATP, more efficiently than processes which rely on anaerobic, or non-oxygen using, energy production alone. Name the energy production process carried out by mitochondria.

Description : Mitochondria are referred to as the ‘powerhouses’ of a cell. This is because they convert food to energy, or ATP, more efficiently than processes which rely on anaerobic, or non-oxygen using, energy production alone. Name the energy production process carried out by mitochondria.

Last Answer : Oxidative phosphorylation.

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 vesicles formed via the process known as phagocytosis (pron: fag-eh-seh-toe-sis) are called: a) lysosomes (pron: lye-sah-somes: somes rhymes with homes) b) Golgi apparatus c) food vacuoles d) mitochondria (pron: my-toe-chon-dria)

Description : The vesicles formed via the process known as phagocytosis (pron: fag-eh-seh-toe-sis) are called: a) lysosomes (pron: lye-sah-somes: somes rhymes with homes) b) Golgi apparatus c) food vacuoles d) mitochondria (pron: my-toe-chon-dria)

Last Answer : ANSWER: C -- FOOD VACUOLES

Which Organ is affected by trachoma? A. Liver B. Lungs C. Eyes (Answer) D. Brain

Description : Which Organ is affected by trachoma? A. Liver B. Lungs C. Eyes (Answer) D. Brain

Last Answer : C. Eyes (Answer)

In human osmoregulation takes place by------? A. Liver B. Kidney (Answer) C. Spleen D. Lungs

Description : In human osmoregulation takes place by------? A. Liver B. Kidney (Answer) C. Spleen D. Lungs

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Hepatitis is a disease of which of the following organ? A. Heart B. Liver (Answer) C. Lungs D. Brain

Description : Hepatitis is a disease of which of the following organ? A. Heart B. Liver (Answer) C. Lungs D. Brain

Last Answer : B. Liver (Answer)

Trachoma is a disease of the------? A. Liver B. Eyes (Answer) C. Lungs D. Kidneys

Description : Trachoma is a disease of the------? A. Liver B. Eyes (Answer) C. Lungs D. Kidneys

Last Answer : B. Eyes (Answer)

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

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

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

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

Excessive consumption of ethanol ca uses major damage to the (a) kidneys (b) lungs (c) heart (d) liver

Description : Excessive consumption of ethanol ca uses major damage to the (a) kidneys (b) lungs (c) heart (d) liver

Last Answer : Ans:(d)

How many mitochondria are there in the liver cells of animals ?

Description : How many mitochondria are there in the liver cells of animals ?

Last Answer : There are about 1000 mitochondria in the liver cells of animals.

The biosynthesis of urea occurs mainly in the liver: (A) Cytosol (B) Mitochondria (C) Microsomes (D) Nuclei

Description : The biosynthesis of urea occurs mainly in the liver: (A) Cytosol (B) Mitochondria (C) Microsomes (D) Nuclei

Last Answer : Answer : B

Carnitine is required for the transport of (A) Triglycerides out of liver (B) Triglycerides into mitochondria (C) Short chain fatty acids into mitochondria (D) Long chain fatty acids into mitochondria

Description : Carnitine is required for the transport of (A) Triglycerides out of liver (B) Triglycerides into mitochondria (C) Short chain fatty acids into mitochondria (D) Long chain fatty acids into mitochondria

Last Answer : Answer : D

The biosynthesis of Urea occurs mainly in the Liver: (A) Cytosol (B) Microsomes (C) Nucleus (D) Mitochondria

Description : The biosynthesis of Urea occurs mainly in the Liver: (A) Cytosol (B) Microsomes (C) Nucleus (D) Mitochondria

Last Answer : Answer : D

Which of the following organisms is known to form abscesses in human liver, lungs, brain etc.

Description : Which of the following organisms is known to form abscesses in human liver, lungs, brain etc.

Last Answer : Which of the following organisms is known to form abscesses in human liver, lungs, brain etc. ... B. Monocystis C. Plasmodium D. Fasciola hepatica

In which diseases of the following organs, isoenzymes LDH-1 and LDH-2 will be released in plasma? (A) Kidney, R.B.C and Liver (B) Heart, Kidney and R.B.C (C) Heart, Kidney and Liver (D) Heart, Lungs and Brain

Description : In which diseases of the following organs, isoenzymes LDH-1 and LDH-2 will be released in plasma? (A) Kidney, R.B.C and Liver (B) Heart, Kidney and R.B.C (C) Heart, Kidney and Liver (D) Heart, Lungs and Brain

Last Answer : Answer : B

A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the following? a. Increased glucose uptake and increased glycogen breakdown occur in this circumstance. b. Suppressed activity of lipoprotein lipase results from TNFa c. TNFa stimulates lipolysis d. The differentiation process of pre-adipocytes is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Description : A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the ... is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Last Answer : Answer: a, b, c, d, e Tumor cachexia appears to be mediated by TNFa. Lipopolysaccharide (LPS), as well as other cytokines, activate a variety of inflammatory cells, most ... chronic syndromes of anorexia, weight loss, and cachexia that are associated with both chronic infection and malignancy

The organ which involve most frequent hypersensitivity reaction is a) Liver b) Kidney c) Skin d) Lungs e) Stomach

Description : The organ which involve most frequent hypersensitivity reaction is a) Liver b) Kidney c) Skin d) Lungs e) Stomach

Last Answer : Ans: C

In the human body, which of the following organs is responsible for water balance? (1) Heart (2) Liver (3) Kidneys (4) Lungs

Description : In the human body, which of the following organs is responsible for water balance? (1) Heart (2) Liver (3) Kidneys (4) Lungs

Last Answer : (3) Kidneys Explanation: The kidneys maintain our body's water balance by controlling the water concentration of blood plasma. The kidneys also control salt levels and the excretion of urea.

In mammals, an important role of excretion is played by – (1) Large intestine (2) Kidneys (3) Lungs (4) Liver

Description : In mammals, an important role of excretion is played by – (1) Large intestine (2) Kidneys (3) Lungs (4) Liver

Last Answer : (2) Kidneys Explanation: The kidneys are bean-shaped organs that serve several excretory roles apart from the essential regulatory roles in mammals. They remove from the blood the nitrogenous wastes ... of urine. In producing urine, the kidneys excrete nitrogenous wastes such as urea and ammonium.

Which one of the following is not the excretory organ? (1) Kidneys (2) Liver (3) Lungs (4) Spleen

Description : Which one of the following is not the excretory organ? (1) Kidneys (2) Liver (3) Lungs (4) Spleen

Last Answer : (4) Spleen Explanation: The excretory system is a collection of organs tasked with removing excess nitrogen and other toxins from the body. Several parts of the body such as sweat glands (excretion ... spleen is the organ that is responsible for both the storage and purification of red blood cells.

Haematopoiesis take place in – (1) Lungs (2) Pancreas (3) Liver (4) Bone marrow

Description : Haematopoiesis take place in – (1) Lungs (2) Pancreas (3) Liver (4) Bone marrow

Last Answer : (4) Bone marrow Explanation: Haematopoiesisis the formation of blood cellular components. The sites where haematopoiesis occurs change during embryonic development, but in adult mammals, the bone ... hematopoietic stem cell niche, com-posed of osteoblasts, mesenchymal cells and sinusoidal vessels.

Pneumonia affects which of the following organs of human body? (1) Kidneys (2) Lungs (3) Throat (4) Liver

Description : Pneumonia affects which of the following organs of human body? (1) Kidneys (2) Lungs (3) Throat (4) Liver

Last Answer : (2) Lungs Explanation: Pneumonia is an inflammatory condition of the lung affecting primarily the microscopic air sacs known as alveoli.

Trachoma is a disease of the – (1) Liver (2) Eyes (3) Lungs (4) Kidneys

Description : Trachoma is a disease of the – (1) Liver (2) Eyes (3) Lungs (4) Kidneys

Last Answer : (2) Eyes Explanation: Trachoma is an infectious disease caused by bacterium Chlamydia trachomatis. The infection causes a roughening of the inner surface of the eyelids. This roughening can lead to pain in the eyes, breakdown of the outer surface or cornea of the eyes, and eventual blindness.

When nitrogenous waste accumulates in the blood which organ is not functioning? (1) Liver (2) Lungs (3) Kidneys (4) Heart

Description : When nitrogenous waste accumulates in the blood which organ is not functioning? (1) Liver (2) Lungs (3) Kidneys (4) Heart

Last Answer : (3) Kidneys Explanation: Acute kidney failure (AKF) occurs when there is a sudden reduction in kidney function that results in nitrogenous wastes accumulating in the blood (azotemia). The ... nitrogenous wastes is known as uremia. If untreated, uremia can cause coma and eventually death.

In mammals, an important role of excretion is played by – (1) Large intestine (2) Kidneye (3) Lungs (4) Liver

Description : In mammals, an important role of excretion is played by – (1) Large intestine (2) Kidneye (3) Lungs (4) Liver

Last Answer : (2) Kidneye Explanation: The Kidneys are bean-shaped organs that serve several excretory roles apart from the essential regulatory roles in mammals.

Which one of the following organs converts glycogen into glucose and purifies the blood? (1) Liver (2) Kidney (3) Lungs (4) Spleen

Description : Which one of the following organs converts glycogen into glucose and purifies the blood? (1) Liver (2) Kidney (3) Lungs (4) Spleen

Last Answer : (1) Liver Explanation: Liver produces bile which is stored in the gall bladder. Liver is the largest gland in the body.

With which of the following body organ is 'pace-maker' associated? (1) Liver (2) Brain (3) Heart (4) Lungs

Description : With which of the following body organ is 'pace-maker' associated? (1) Liver (2) Brain (3) Heart (4) Lungs

Last Answer : (3) Heart Explanation: A pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms. This device uses low-energy electrical pulses to prompt the heart to beat at a normal rate. Pacemakers are used to treat arrhythmias.

Glaucoma is a disease of the - (1) Skin (2) Lungs (3) Liver (4) Eyes

Description : Glaucoma is a disease of the - (1) Skin (2) Lungs (3) Liver (4) Eyes

Last Answer : (4) Eyes Explanation: Glaucoma is an eye disease in which the optic nerve is damaged in a characteristic pattern. This can permanently damage vision in the affected eye(s) and lead to blindness if ... is used for those with optic nerve damage and associated visual field loss, but normal or low TOP.

Dialysis is used to perform the function of — (1) Lungs (2) Heart (3) Liver (4) Kidneys

Description : Dialysis is used to perform the function of — (1) Lungs (2) Heart (3) Liver (4) Kidneys

Last Answer : (4) Kidneys Explanation: Dialysis is the artificial process of getting rid of waste (diffusion) and unwanted water (ultra-filtration) from the blood. This process is naturally done by our kidneys. It is the artificial replacement for lost kidney function.

Trachoma is a disease of the A.Liver B.Eyes C.Lungs D.Kidneys

Description : Trachoma is a disease of the A.Liver B.Eyes C.Lungs D.Kidneys

Last Answer : B.Eyes

Adrenaline is inactive orally because it is: A. Not absorbed from the gastrointestinal tract B. Destroyed by gastric acid C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D. Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs

Description : Adrenaline is inactive orally because it is: A. Not absorbed from the gastrointestinal tract B. Destroyed by gastric acid C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D. Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs

Last Answer : C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation

Adrenaline is inactive orally because it is: A. Not absorbed from the gastrointestinal tract B. Destroyed by gastric acid C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D. Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs

Description : Adrenaline is inactive orally because it is: A. Not absorbed from the gastrointestinal tract B. Destroyed by gastric acid C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation D. Taken up by adrenergic nerve endings of the intestinal wall, liver and lungs

Last Answer : C. Completely metabolized in the intestinal mucosa and liver before reaching systemic circulation

Cadmium damages a) Heart b) Lungs c) Stomach d) Liver and Kidneys.

Description : Cadmium damages a) Heart b) Lungs c) Stomach d) Liver and Kidneys.

Last Answer : d) Liver and Kidneys.

Which one of the following is not the excretory organ? (1) Kidneys (2) Liver (3) Lungs (4) Spleen

Description : Which one of the following is not the excretory organ? (1) Kidneys (2) Liver (3) Lungs (4) Spleen

Last Answer : Spleen

Haematopoiesis take place in (1) Lungs (2) Pancreas (3) Liver (4) Bone marrow

Description : Haematopoiesis take place in (1) Lungs (2) Pancreas (3) Liver (4) Bone marrow

Last Answer : Bone marrow

In mammals, an important role of excretion is played by (1) Large intestine (2) Kidneys (3) Lungs (4) Liver

Description : In mammals, an important role of excretion is played by (1) Large intestine (2) Kidneys (3) Lungs (4) Liver

Last Answer : Kidneys

In the human body, which of the following organs is responsible for water balance ? (1) Heart (2) Liver (3) Kidneys (4) Lungs

Description : In the human body, which of the following organs is responsible for water balance ? (1) Heart (2) Liver (3) Kidneys (4) Lungs

Last Answer : Kidneys

Which one of the following organs converts glycogen into glucose and purifies the blood? (1) Liver (2) Kidney (3) Lungs (4) Spleen

Description : Which one of the following organs converts glycogen into glucose and purifies the blood? (1) Liver (2) Kidney (3) Lungs (4) Spleen

Last Answer : Liver

Entamoeba histolytica is a parasite found in man’s (1) liver (2) intestines (3) lungs (4) kidneys

Description : Entamoeba histolytica is a parasite found in man’s (1) liver (2) intestines (3) lungs (4) kidneys

Last Answer : intestines

When nitrogenous waste accumulates in the blood which organ is not functioning ? (1) Liver (2) Lungs (3) Kidneys (4) Heart

Description : When nitrogenous waste accumulates in the blood which organ is not functioning ? (1) Liver (2) Lungs (3) Kidneys (4) Heart

Last Answer : Kidneys

Dialysis is used to perform the function of— (1) Lungs (2) Heart (3) Liver (4) Kidneys

Description : Dialysis is used to perform the function of— (1) Lungs (2) Heart (3) Liver (4) Kidneys

Last Answer : Kidneys

Glaucoma is a disease of the (1) Skin (2) Lungs (3) Liver (4) Eyes

Description : Glaucoma is a disease of the (1) Skin (2) Lungs (3) Liver (4) Eyes

Last Answer : Eyes