Which plant hormones have inhibitory effects? -Biology

Which plant hormones have inhibitory effects? -Biology
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Which plant hormones have inhibitory effects? -Biology

Description : Which plant hormones have inhibitory effects? -Biology

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Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones. (b) Releasing and inhibitory hormones are produced by the pituitary gland. (c) Adenohypophysis is under direct neural regulation of the hypothalamus. (d) Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.

Description : Which of the following statements is correct in relation to the endocrine system? (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as ... in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones.

Last Answer : (a) Non-nutrient chemicals produced by the body in trace amounts that act as intercellular messenger are known as hormones.

Which of the following statements regarding fibroblasts and their function in wound healing are true? a. IL-1 has both inhibitory and promotional effects on fibroblast growth b. TNFa stimulates fibroblast collagen synthesis c. IL-1 and TNFa have opposite effects on the healing of bone d. In human clinical trials, EGF (epithelial growth factor) has been demonstrated to accelerate epidermal regeneration in cutaneous wounds

Description : Which of the following statements regarding fibroblasts and their function in wound healing are true? a. IL-1 has both inhibitory and promotional effects on fibroblast growth b. TNFa ... EGF (epithelial growth factor) has been demonstrated to accelerate epidermal regeneration in cutaneous wounds

Last Answer : Answer: a, d IL-1 appears to be important in the process of normal wound repair. IL-1 has been shown to stimulate skin fibroblast and keratinocyte growth, as well as ... that recombinant EGF enhances keratinocyte migration. EGF is also a potent chemoattractant for granulation tissue fibroblasts

Which plant hormones have stimulatory effects? -Biology

Description : Which plant hormones have stimulatory effects? -Biology

Last Answer : answer:

Which plant hormones have stimulatory effects? -Biology

Description : Which plant hormones have stimulatory effects? -Biology

Last Answer : answer:

What is the function of a inhibitory synapse?

Description : What is the function of a inhibitory synapse?

Last Answer : What is the answer ?

Signal transducer for glucagons is a (A) Cyclic nucleotide (B) Phosphoinositide (C) Stimulatory G-protein (D) Inhibitory G-protein

Description : Signal transducer for glucagons is a (A) Cyclic nucleotide (B) Phosphoinositide (C) Stimulatory G-protein (D) Inhibitory G-protein

Last Answer : Answer : C

The following statement(s) is/are true concerning initial microbiologic diagnostic techniques. a. Appropriate expeditious transport of specimens to the microbiology laboratory is essential for obtaining accurate clinical information b. The use of potassium hydroxide in preparing a specimen slide for light microscopy will be useful in identification of anaerobic bacteria c. Antibiotic sensitivity is determined by exposing the specific microorganism to varying amounts of antibiotic with the concentration of the antibiotic inhibiting growth referred to as the MIC (minimal inhibitory concentration) d. Serum levels of antimicrobial agents should achieve in excess of a 4-to 8-fold increase over the MIC to be considered clinically efficacious.

Description : The following statement(s) is/are true concerning initial microbiologic diagnostic techniques. a. Appropriate expeditious transport of specimens to the microbiology laboratory is essential for obtaining accurate ... a 4-to 8-fold increase over the MIC to be considered clinically efficacious.

Last Answer : Answer: a, c, d Because most surgical infections are polymicrobial, specimens should be cultured for aerobic and anaerobic bacteria, as well as fungi. Although aerobic and aerotolerant ... fold increase over MIC during the peak serum level have been demonstrated to be clinically efficacious

What is the mechanism of inhibitory action of Di-isopropyl fluoro phosphate?

Description : What is the mechanism of inhibitory action of Di-isopropyl fluoro phosphate?

Last Answer : It inhibits enzymes with serine in their active centres, e.g. acetylcholine esterase.

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

Inhibitory transmitters may be a. glycine b. GABA c. both d. none of them

Description : Inhibitory transmitters may be a. glycine b. GABA c. both d. none of them

Last Answer : both

Fruit colour in squash is an example of (a) recessive epistasis (b) dominant epistasis (c) complementary genes (d) inhibitory genes.

Description : Fruit colour in squash is an example of (a) recessive epistasis (b) dominant epistasis (c) complementary genes (d) inhibitory genes.

Last Answer : (a) recessive epistasis

Which of the following is not an inhibitory substance governing seed dormancy? (a) Gibberellic acid (b) Abscisic acid (c) Phenolic acid (d) Para-ascorbic acid

Description : Which of the following is not an inhibitory substance governing seed dormancy? (a) Gibberellic acid (b) Abscisic acid (c) Phenolic acid (d) Para-ascorbic acid

Last Answer : a) Gibberellic acid

Poisons like cyanide inhibit Na+ efflux and K+ influx during cellular transport. This inhibitory effect is reversed by an injection of ATP. This demonstrates that (a) ATP is the carrier protein in the transport system (b) energy for Na+-K+ exchange pump comes from ATP (c) ATP is hydrolysed by ATPase to release energy (d) Na+-K+ exchange pump operates in the cell.

Description : Poisons like cyanide inhibit Na+ efflux and K+ influx during cellular transport. This inhibitory effect is reversed by an injection of ATP. This demonstrates that (a) ATP is the carrier protein in the ... is hydrolysed by ATPase to release energy (d) Na+-K+ exchange pump operates in the cell.

Last Answer : (b) energy for Na+-K+ exchange pump comes from ATP

Colchicine is an inhibitory chemical, which (a) stops the functioning of centriole (b) prevents attaching of centromeres with rays (c) prevents the spindle formation in mitosis (d) prevents the formation of equatorial plane.

Description : Colchicine is an inhibitory chemical, which (a) stops the functioning of centriole (b) prevents attaching of centromeres with rays (c) prevents the spindle formation in mitosis (d) prevents the formation of equatorial plane.

Last Answer : (c) prevents the spindle formation in mitosis

The is used to determine an antibiotic‘s minimal inhibitory concentration (NEC). a. Ames test b. tube dilution method c. agar disk diffusion method d. Kirby-Bauer test

Description : The is used to determine an antibiotic‘s minimal inhibitory concentration (NEC). a. Ames test b. tube dilution method c. agar disk diffusion method d. Kirby-Bauer test

Last Answer : b. tube dilution method

The concentration of an antibiotic causing harm to the host is called a. Toxic dosage Level. b. Therapeutic dosage level. c. Minimal inhibitory concentration. d. Chemotherapeutic index.

Description : The concentration of an antibiotic causing harm to the host is called a. Toxic dosage Level. b. Therapeutic dosage level. c. Minimal inhibitory concentration. d. Chemotherapeutic index.

Last Answer : a. Toxic dosage Level.

Of the following neurotransmitters, which demonstrates inhibitory action, helps control mood and sleep, and inhibits pain pathways? a) Serotonin The sources of serotonin are the brain stem, hypothalamus, and dorsal horn of the spinal cord.

Description : Of the following neurotransmitters, which demonstrates inhibitory action, helps control mood and sleep, and inhibits pain pathways? a) Serotonin The sources of serotonin are the brain ... d) Acetylcholine Acetylcholine is usually excitatory, but the parasympathetic effects are sometimes inhibitory.

Last Answer : a) Serotonin The sources of serotonin are the brain stem, hypothalamus, and dorsal horn of the spinal cord.

The therapeutic effect of sulfasalazine in ulcerative colitis is exerted by: A. Inhibitory action of the unabsorbed drug on the abnormal colonic flora B. Breakdown of the drug in colon to release 5-aminosalicylic acid which suppresses inflammation locally C. Release of sulfapyridine having antibacterial property D. Systemic immunomodulatory action of the drug

Description : The therapeutic effect of sulfasalazine in ulcerative colitis is exerted by: A. Inhibitory action of the unabsorbed drug on the abnormal colonic flora B. Breakdown of the drug in ... locally C. Release of sulfapyridine having antibacterial property D. Systemic immunomodulatory action of the drug

Last Answer : B. Breakdown of the drug in colon to release 5-aminosalicylic acid which suppresses inflammation locally

Which histamine H2 blocker has most marked inhibitory effect on microsomal cytochrome P-450 enzyme: A. Cimetidine B. Ranitidine C. Roxatidine D. Famotidine

Description : Which histamine H2 blocker has most marked inhibitory effect on microsomal cytochrome P-450 enzyme: A. Cimetidine B. Ranitidine C. Roxatidine D. Famotidine

Last Answer : A. Cimetidine

Select the diuretic which is orally active, efficacious in acidosis as well as alkalosis, causes diuresis even in renal failure and has additional carbonic anhydrase inhibitory action: A. Mannitol B. Benzthiazide C. Indapamide D. Furosemide

Description : Select the diuretic which is orally active, efficacious in acidosis as well as alkalosis, causes diuresis even in renal failure and has additional carbonic anhydrase inhibitory action: A. Mannitol B. Benzthiazide C. Indapamide D. Furosemide

Last Answer : D. Furosemide

Strychnine produces convulsions by: A. Stimulating NMDA receptors B. Facilitating the excitatory transmitter glutamate C. Blocking the inhibitory transmitter GABA D. Blocking the inhibitory transmitter glycine

Description : Strychnine produces convulsions by: A. Stimulating NMDA receptors B. Facilitating the excitatory transmitter glutamate C. Blocking the inhibitory transmitter GABA D. Blocking the inhibitory transmitter glycine

Last Answer : D. Blocking the inhibitory transmitter glycine

Phenytoin appears to derive its anticonvulsant action from: A. Selective inhibition of high frequency neuronal discharges B. Selective inhibition of epileptic focus C. Selective inhibition T-type Ca2+ current in brain cells D. Selective enhancement of inhibitory transmission in the brain

Description : Phenytoin appears to derive its anticonvulsant action from: A. Selective inhibition of high frequency neuronal discharges B. Selective inhibition of epileptic focus C. Selective inhibition T-type Ca2+ current in brain cells D. Selective enhancement of inhibitory transmission in the brain

Last Answer : A. Selective inhibition of high frequency neuronal discharges

The most probable mechanism of anticonvulsant action of phenytoin is: A. Facilitation of GABAergic inhibitory transmission B. Hyperpolarization of neurones C. Interaction with Ca2+ channels to promote Ca2+ influx D. Prolongation of voltage sensitive neuronal Na+ channel inactivation

Description : The most probable mechanism of anticonvulsant action of phenytoin is: A. Facilitation of GABAergic inhibitory transmission B. Hyperpolarization of neurones C. Interaction with Ca2+ channels to promote Ca2+ influx D. Prolongation of voltage sensitive neuronal Na+ channel inactivation

Last Answer : D. Prolongation of voltage sensitive neuronal Na+ channel inactivation

The following hypothalamic regulatory hormone is not a peptide: A. Growth hormone release inhibitory hormone B. Prolactin release inhibitory hormone C. Gonadotropin releasing hormone D. Corticotropin releasing hormone (

Description : The following hypothalamic regulatory hormone is not a peptide: A. Growth hormone release inhibitory hormone B. Prolactin release inhibitory hormone C. Gonadotropin releasing hormone D. Corticotropin releasing hormone (

Last Answer : B. Prolactin release inhibitory hormone

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other ?

Description : Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other ?

Last Answer : Which of the following pairs of hormones are not antagonistic (having opposite effects) to ... -Atrial Natriuretic Factor D. Relaxin- Inhibin

Some hormones produce their intracellular effects by activating (A) Phospholipae A1 (B) Phospholipase B (C) Phospholipase C (D) All of these

Description : Some hormones produce their intracellular effects by activating (A) Phospholipae A1 (B) Phospholipase B (C) Phospholipase C (D) All of these

Last Answer : Answer : C

Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true concerning acute phase protein response to surgical stress? a. Glucocorticoid hormones inhibit this response b. Proteins such as albumin and transferrin which serve in serum transport are generally increased in this response c. Examples of acute phase proteins include fibrinogen and C-reactive protein d. In general, the physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage

Description : Interleukin-6 is recognized as the cytokine primarily responsible for the alteration in hepatic protein synthesis recognized as the acute phase response. Which of the following statement(s) is/are true ... physiologic role of acute phase proteins are to reduce the systemic effects of tissue damage

Last Answer : Answer: c, d IL-6 is now recognized at the cytokine primarily responsible for the alteration in hepatic synthesis recognized as the acute phase response. Glucocorticoid hormones augment ... that generally inhibit the tissue destruction that is associated with the local initiation of inflammation

The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Description : The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles

Last Answer : . increase hepatic glycogen synthesis

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? (a) Aldosterone Atrial Natriuretic Factor (b) Relaxin Inhibin (c) Parathormone Calcitonin (d) Insulin Glucagon

Description : Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? (a) Aldosterone Atrial Natriuretic Factor (b) Relaxin Inhibin (c) Parathormone Calcitonin (d) Insulin Glucagon

Last Answer : (b) Relaxin Inhibin

Which pair of hormones has opposite, antagonistic effects? A) insulin--glucagon B) insulin--progesterone C) estrogen--thyroxin D) thyroxin--parathyroid hormone E) epinephrine--norepinephrine

Description : Which pair of hormones has opposite, antagonistic effects? A) insulin--glucagon B) insulin--progesterone C) estrogen--thyroxin D) thyroxin--parathyroid hormone E) epinephrine--norepinephrine

Last Answer : A) insulin--glucagon

(a) What are plant hormones ? Give one example each of a plant hormone that -Biology-10

Description : (a) What are plant hormones ? Give one example each of a plant hormone that -Biology-10

Last Answer : Plant Hormones: Phytohormones are chemical substances other than nutrients produced naturally in plants which regulate growth, development, differentiation and a number of physiological ... , respiratory centre. C-Cerebellum Function: Maintains equilibrium and coordinates muscular activities

What are plant hormones ? -Biology-10

Description : What are plant hormones ? -Biology-10

Last Answer : Plant hormones are also called phytohormones. Plant hormones are the chemical substances which help in controlling growth, flowering, height, development of plants and their response to the ... types of phytohormones are – auxins, gibberllins, cytokinins, abscisic acid and ethylene.

What are the five major types of plant hormones? -Biology

Description : What are the five major types of plant hormones? -Biology

Last Answer : answer:

Types of plant hormones. -Biology

Description : Types of plant hormones. -Biology

Last Answer : answer:

What are the five major types of plant hormones? -Biology

Description : What are the five major types of plant hormones? -Biology

Last Answer : answer:

Types of plant hormones. -Biology

Description : Types of plant hormones. -Biology

Last Answer : answer:

Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-

Description : Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-

Last Answer : Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-

Name the plant hormones which are involved in growth promoting activities such as cell division, cell enlargement, pattern formation, tropic growth, f

Description : Name the plant hormones which are involved in growth promoting activities such as cell division, cell enlargement, pattern formation, tropic growth, f

Last Answer : Name the plant hormones which are involved in growth promoting activities such as cell division, ... growth, flowering, fruiting and seed formation.

Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-

Description : Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-

Last Answer : Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-

Name the plant hormones which are involved in growth promoting activities such as cell division, cell enlargement, pattern formation, tropic growth, f

Description : Name the plant hormones which are involved in growth promoting activities such as cell division, cell enlargement, pattern formation, tropic growth, f

Last Answer : Name the plant hormones which are involved in growth promoting activities such as cell division, ... growth, flowering, fruiting and seed formation.

How do plant hormones transport around the plant?

Description : How do plant hormones transport around the plant?

Last Answer : Need answer

Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins- apical dominance (3) cytoldnins- senescence (4) gibberlins- bud and seed dormancy

Description : Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins- apical dominance (3) cytoldnins- senescence (4) gibberlins- bud and seed dormancy

Last Answer : (4) gibberlins- bud and seed dormancy Explanation: Abscisic acid is responsible for responsible for dormancy of various types. It maintains dormancy in seeds and buds, stimulates the closing of stomata. Gibberellins are responsible for cell division and growth in cell size.

What are plant hormones?

Description : What are plant hormones?

Last Answer : The special chemicals which bring about coordination in plants are called plant hormones.

Which plant hormones are known as growth inhibitors?

Description : Which plant hormones are known as  growth inhibitors?

Last Answer : Abscisic acid and Ethylene

Which plant hormones are known as growth promoters?

Description : Which plant hormones are known as  growth promoters?

Last Answer : Auxin; Gibberellin; Cytokinin

Name the important plant hormones?

Description : Name the important plant hormones?

Last Answer : Auxins; Gibberellins; Cytokinins; Abscisic acid  & Ethylene

Small cut pieces of soft stems are placed in growth medium with following plant hormones. Which combination of plant hormones will show slowest growth ? (1) Auxin + Cytokinin (2) Gibberellins + Auxin (3) Gibberellins + Cytokinin (4) Abscisic Acid + Auxin

Description : Small cut pieces of soft stems are placed in growth medium with following plant hormones. Which combination of plant hormones will show slowest growth ? (1) Auxin + Cytokinin (2) Gibberellins + Auxin (3) Gibberellins + Cytokinin (4) Abscisic Acid + Auxin

Last Answer : (4) Abscisic Acid + Auxin

Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins-apical dominance (3) cytokinins- senescence (4) gibberlins- bud and seed dormancy

Description : Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins-apical dominance (3) cytokinins- senescence (4) gibberlins- bud and seed dormancy

Last Answer : gibberlins- bud and seed dormancy