Why is blood agar useful as a primary isolation medium?

Why is blood agar useful as a primary isolation medium?
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Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when pla(a) It made possible the isolation and exact identification of auxin. (b) It is the basis for quantitative determination of small amounts of growth-promoting substances. (c) It supports the hypothesis that IAA is auxin. (d) It demonstrated polar movement of auxinsced on one side of freshly-cut coleoptile stumps. Of what significance is this experiment?

Description : Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly-cut coleoptile stumps. Of what ... . (c) It supports the hypothesis that IAA is auxin. (d) It demonstrated polar movement of auxins

Last Answer : (a) It made possible the isolation and exact identification of auxin.

Example of anaerobic medium a. Wilson blair medium b. Mac conkey broth c. Robertson’s cooked meat medium d. EMB agar

Description : Example of anaerobic medium a. Wilson blair medium b. Mac conkey broth c. Robertson’s cooked meat medium d. EMB agar

Last Answer : Ans: C

Agar is used for solidifying culture media because A-it does not affect by the growth of bacteria B-it does not add to the nutritive properties of the medium C-the melting and solidifying points of agar solution are not the same D-all of the above

Description : Agar is used for solidifying culture media because A-it does not affect by the growth of bacteria B-it does not add to the nutritive properties of the medium C-the melting and solidifying points of agar solution are not the same D-all of the above

Last Answer : all of the above

Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium a. Not digested by plant enzymes b. It does not use in micro-propagation work c. It does not react with media constituents d. Remain stable at incubation temperature

Description : Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium a. Not digested by plant enzymes b. It does not use in micro-propagation work c. It does not react with media constituents d. Remain stable at incubation temperature

Last Answer : b. It does not use in micro-propagation work

Is blood agar selective or differential?

Description : Is blood agar selective or differential?

Last Answer : Blood agar is a differential media since you can differentiate between different organisms based on the colony appearance. In a blood agar you are looking for hemolysis.

Viruses can be grown on _____. a. nutrient agar b. nutrient broth c. blood agar d. tissue culture

Description : Viruses can be grown on _____. a. nutrient agar b. nutrient broth c. blood agar d. tissue culture

Last Answer : d. tissue culture

Why isn't agar agar more popular?

Description : Why isn't agar agar more popular?

Last Answer : I think it depends on people's preferences in each country. What I can say is that agar agar is not really as popular as jelly/jello(less commercialized) even though we discover it first. I myself, ... it's smoother and less chemical than jelly. And yes,I really hate the rubberiness' of jelly.

What is agar-agar? -Biology

Description : What is agar-agar? -Biology

Last Answer : answer:

$ Agar-agar is a carbohydrate obtained from some sea weeds. ! Agar agar is a polysaccharides formed of many galactose monomers.

Description : $ Agar-agar is a carbohydrate obtained from some sea weeds. ! Agar agar is a polysaccharides formed of many galactose monomers.

Last Answer : $ Agar-agar is a carbohydrate obtained from some sea weeds. ! Agar agar is a polysaccharides formed of many ... wrong D. If both As and R are wrong.

Name the two algae from which agar is obtained.

Description : Name the two algae from which agar is obtained.

Last Answer : Name the two algae from which agar is obtained.

If a person wants to obtain agar for tissue culture, which plant group he should search?

Description : If a person wants to obtain agar for tissue culture, which plant group he should search?

Last Answer : If a person wants to obtain agar for tissue culture, which plant group he should search?

What is the Solidifying temp and melting temp of agar?

Description : What is the Solidifying temp and melting temp of agar?

Last Answer : Need answer

Why would bacteria not grow on an agar plate treated with a disinfectant?

Description : Why would bacteria not grow on an agar plate treated with a disinfectant?

Last Answer : What is the answer ?

What would happen to plate poured with agar that is too hot or cool?

Description : What would happen to plate poured with agar that is too hot or cool?

Last Answer : We Wouldn't Survive

Iodine test is positive for starch, dextrin and (A) Mucoproteins (B) Agar (C) Glycogen (D) Cellulose

Description : Iodine test is positive for starch, dextrin and (A) Mucoproteins (B) Agar (C) Glycogen (D) Cellulose

Last Answer : C

Which of the following is a heteroglycan? (A) Dextrins (B) Agar (C) Inulin (D) Chitin

Description : Which of the following is a heteroglycan? (A) Dextrins (B) Agar (C) Inulin (D) Chitin

Last Answer : B

The polysaccharide used in assessing the glomerular fittration rate (GFR) is (A) Glycogen (B) Agar (C) Inulin (D) Hyaluronic acid CARBOHYDRATES AND CARBOHYDRATE METABOLISM 7

Description : The polysaccharide used in assessing the glomerular fittration rate (GFR) is (A) Glycogen (B) Agar (C) Inulin (D) Hyaluronic acid CARBOHYDRATES AND CARBOHYDRATE METABOLISM 7

Last Answer : C

The homopo lysacchar ide used for intravenous infusion as plasma substitute is (A) Agar (B) Inulin (C) Pectin (D) Starch

Description : The homopo lysacchar ide used for intravenous infusion as plasma substitute is (A) Agar (B) Inulin (C) Pectin (D) Starch

Last Answer : A

Which of the following is a reducing sugar? (A) Sucrose (B) Trehalose (C) Isomaltose (D) Agar

Description : Which of the following is a reducing sugar? (A) Sucrose (B) Trehalose (C) Isomaltose (D) Agar

Last Answer : C

The major constituents in agar are a. Fats b. Aminoacids c. Polysaccharides d. Polypeptides

Description : The major constituents in agar are a. Fats b. Aminoacids c. Polysaccharides d. Polypeptides

Last Answer : Ans: C

Vegetable oils are converted into solid fat (ghee) by - (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation

Description : Vegetable oils are converted into solid fat (ghee) by - (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation

Last Answer : (4) Hydrogenation Explanation: Hydrogenation - to treat with hydrogen - is a chemical reaction between molecular hydrogen (H2) and another compound or element, usually in the presence of a ... oils are derived from polyunsaturated fatty acids (containing more than one carbon-carbon double bonds).

Which of the following is one of the commercial products obtained from Gelidium and Gracilaria and are used to grow microbes and in preparations of icecreams and jellies? (1) Agar (2) Chlorella (3) Spirullina (4) Gymnosperms

Description : Which of the following is one of the commercial products obtained from Gelidium and Gracilaria and are used to grow microbes and in preparations of icecreams and jellies? (1) Agar (2) Chlorella (3) Spirullina (4) Gymnosperms

Last Answer : (1) Agar Explanation: Agar, one of the commercial products obtained from Gelidium and Gracilaria are used to grow microbes and in preparations of ice-creams and jellies.

Newcastle disease virus can be propagated B A. on Nutrient agar B. Chicken embryo C. In broth D. None of these

Description : Newcastle disease virus can be propagated B A. on Nutrient agar B. Chicken embryo C. In broth D. None of these

Last Answer : Chicken embryo

Most commonly employed test for determining the antibody titers for Newcastle disease infection in B A. Agar gel precipitation test B. Hemagglutination inhibition C. Polymerase chain reaction D. None of these

Description : Most commonly employed test for determining the antibody titers for Newcastle disease infection in B A. Agar gel precipitation test B. Hemagglutination inhibition C. Polymerase chain reaction D. None of these

Last Answer : Hemagglutination inhibition

Most commonly employed test for determining the antibody titers for AI infection is B A. Agar gel precipitation test B. Hemagglutination inhibition C. Polymerase chain reaction D. None of these

Description : Most commonly employed test for determining the antibody titers for AI infection is B A. Agar gel precipitation test B. Hemagglutination inhibition C. Polymerase chain reaction D. None of these

Last Answer : Hemagglutination inhibition

Which one of the following statements is wrong? (a) Chlorella and Spirulina are used as space food. (b) Mannitol is stored food in Rhodophyceae. (c) Algin and carrageenan are products of algae. (d) Agar-agar is obtained from Gelidium and Gracilaria.

Description : Which one of the following statements is wrong? (a) Chlorella and Spirulina are used as space food. (b) Mannitol is stored food in Rhodophyceae. (c) Algin and carrageenan are products of algae. (d) Agar-agar is obtained from Gelidium and Gracilaria.

Last Answer : (b) Mannitol is stored food in Rhodophyceae.

Which one of the following statements is wrong? (a) Algae increase the level of dissolved oxygen in the immediate environment. (b) Algin is obtained from red algae, and carrageenan from brown algae. (c) Agar-agar is obtained from Gelidium and Gracilaria. (d) Laminaria and Sargassum are used as food.

Description : Which one of the following statements is wrong? (a) Algae increase the level of dissolved oxygen in the immediate environment. (b) Algin is obtained from red algae, and carrageenan from brown ... Agar-agar is obtained from Gelidium and Gracilaria. (d) Laminaria and Sargassum are used as food.

Last Answer : (b) Algin is obtained from red algae, and carrageenan from brown algae

A paper disc or small cylinder containing antibiotic is used in the antibiotic sensitivity assay known as the a. Tube dilution method. b. Immunodiffusion method. c. Agar diffusion method. d. Passive detection method.

Description : A paper disc or small cylinder containing antibiotic is used in the antibiotic sensitivity assay known as the a. Tube dilution method. b. Immunodiffusion method. c. Agar diffusion method. d. Passive detection method.

Last Answer : c. Agar diffusion method.

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 agar to obtain semi solid media is A- 1.5-20%B- 0.5% or less C- >10% D- 10%but<20%

Description : The concentration of agar to obtain semi solid media is A- 1.5-20%B- 0.5% or less C- >10% D- 10%but

Last Answer : 0.5% or less

The solidifying agent commonly used in preparation of media is/are A-agar B-silica gel C-both (a) and (b) D-none of these

Description : The solidifying agent commonly used in preparation of media is/are A-agar B-silica gel C-both (a) and (b) D-none of these

Last Answer : both (a) and (b)

.Bacteria having no flagella are unable to A- move B- reproduce C- stick to tissue surfaces D- grow in nutrient agar

Description : .Bacteria having no flagella are unable to A- move B- reproduce C- stick to tissue surfaces D- grow in nutrient agar

Last Answer : move

Which one of the following is NOT part of the streak-plate method? a. Making four sets of streaks on a plate. b. Diluting a mixed culture in molten agar. c. Using a mixed culture. d. Using a sterilized loop.

Description : Which one of the following is NOT part of the streak-plate method? a. Making four sets of streaks on a plate. b. Diluting a mixed culture in molten agar. c. Using a mixed culture. d. Using a sterilized loop.

Last Answer : b. Diluting a mixed culture in molten agar.

Agar – Agar is obtained from – (a) Fungi (b) Algae (c) Moss (d) Bacteria

Description : Agar – Agar is obtained from – (a) Fungi (b) Algae (c) Moss (d) Bacteria

Last Answer : (b) Algae 

Vegetable oils are converted into solid fat (ghee) by (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation

Description : Vegetable oils are converted into solid fat (ghee) by (1) Hydrolysis (2) Addition of agar (3) Oxidation using air and a catalyst (4) Hydrogenation 

Last Answer : Hydrogenation

Fund flow statement are very useful in planning intermediate and ----------- financing. a) Short term b) Long term c) Medium term d) None of these

Description : Fund flow statement are very useful in planning intermediate and ----------- financing. a) Short term b) Long term c) Medium term d) None of these

Last Answer : a) Short term

6. Do you think the classification of economic activities into primary, secondary and tertiary is useful? Explain how. -Economics 10th

Description : 6. Do you think the classification of economic activities into primary, secondary and tertiary is useful? Explain how. -Economics 10th

Last Answer : The classification of economic activities into primary, secondary and tertiary is useful, as it helps to classify the different occupations that are taken up by the people in the country and how much ... the GDP and which sector has the scope to employ more people and increase the National Income.

Do you think the classification of economic activities into primary, secondary and tertiary is useful ? -SST 10th

Description : Do you think the classification of economic activities into primary, secondary and tertiary is useful ? -SST 10th

Last Answer : 'Yes in my opinion the classification of economic activities into primary, secondary and tertiary sectors is very useful because classification will help us in identifying which activity ... smoothly and for best administration and development, classification of economic activities is necessary.

Assertion: Intermolecular dehydration is not useful for the perparation of unsymmetrical ethers from primary alcohols Reason: The reaction leads to a

Description : Assertion: Intermolecular dehydration is not useful for the perparation of unsymmetrical ethers from primary alcohols Reason: The reaction leads to a

Last Answer : Assertion: Intermolecular dehydration is not useful for the perparation of unsymmetrical ethers from primary ... . Assertion is false, Reason is true

In primary hypothyroidism the useful estimation is of (A) T3 (B) T4 (C) TBG (D) Autoantibodies

Description : In primary hypothyroidism the useful estimation is of (A) T3 (B) T4 (C) TBG (D) Autoantibodies

Last Answer : Answer : D

Which of the following statement(s) is/are true concerning pharmacologic agents used in the treatment of shock? a. The primary difference between dopamine and dobutamine is the absence of significant a adrenergic activity b. The renal and mesenteric vasoconstrictive effects of norepinephrine complicate and sometimes restrict its use c. The apparent paradoxical use of vasodilators, such as nitroprusside, in shock is indicated as a means to augment cardiac function d. Isoproterenol with its potent b-adrenergic effect, is a particularly useful agent in the treatment of all forms of shock

Description : Which of the following statement(s) is/are true concerning pharmacologic agents used in the treatment of shock? a. The primary difference between dopamine and dobutamine is the absence of significant a ... b-adrenergic effect, is a particularly useful agent in the treatment of all forms of shock

Last Answer : Answer: a, b, c Therapeutic adjustments of intravascular volume (preload) and systemic vascular resistance (afterload) form the basis of the treatment strategies for all ... careful constant monitoring of arterial pressure and repeated hemodynamic measurements with a pulmonary artery catheter

There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer the primary advantage of increased absorptive ability b. Films, such as Op-site, provide a water impermeable environment to achieve a dry wound c. Impregnates are fine gauze impregnated with a variety of substances such as antibiotics or moisturizing agents that adhere tightly to the wound and do not require a secondary dressing d. Absorptive powders and paste are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

Description : There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer ... are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

Last Answer : Answer: a, d Although the simplest dressing of gauze and tape combined with the use of antibacterial ointment can achieve moist wound healing in most patients. A multitude of other ... agents have high absorbency for tissue wound fluid and debride necrotic and fibrous material from the wound

Cascade control is (A) The continuous adjustment of the set point index of an automatic control loop by a primary (master) controller (B) Used when changes in process conditions cause serious upsets in the controlled variable (C) Useful to control flow from temperature (D) All 'a', 'b' & 'c'

Description : Cascade control is (A) The continuous adjustment of the set point index of an automatic control loop by a primary (master) controller (B) Used when changes in process conditions cause serious upsets in the controlled variable (C) Useful to control flow from temperature (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

Micro teaching is useful to students of (a) Junior classes only (b) Primary classes only (c) 10 + 2 classes only (d) Both higher classes and primary classes

Description : Micro teaching is useful to students of (a) Junior classes only (b) Primary classes only (c) 10 + 2 classes only (d) Both higher classes and primary classes

Last Answer : (d) Both higher classes and primary classes

.Which of the following is true: A. Antibiotics are useful in the treatment of periodontitis B. Trauma from occlusion causes thickening of the marginal gingivae C. Periodontitis is the primary cause of teeth lost after the age of 35. D. All periodontal pockets can be identified by x-ray E. Periodontitis is the most common disease in the oral cavity

Description : .Which of the following is true:  A. Antibiotics are useful in the treatment of periodontitis   B. Trauma from occlusion causes thickening of the marginal gingivae  C. Periodontitis is the ... can be identified by x-ray  E. Periodontitis is the most common disease in the oral cavity

Last Answer : E. Periodontitis is the most common disease in the oral cavity

Micro teaching is useful to students of Options: A) primary classes only B) junior classes’ only C) 10 + 2 classes’ only D) higher classes and primary classes both

Description : Micro teaching is useful to students of Options: A) primary classes only B) junior classes’ only C) 10 + 2 classes’ only D) higher classes and primary classes both

Last Answer : D) higher classes and primary classes both 

In making use of employment information, it is well to remember that Options: A) The more general the information, the more useful it is B) One should select one source of information and stick to it C) Descriptions in term of absolute adjectives are best D) Recent primary sources are better than secondary ones

Description : In making use of employment information, it is well to remember that Options: A) The more general the information, the more useful it is B) One should select one source of information ... Descriptions in term of absolute adjectives are best D) Recent primary sources are better than secondary ones

Last Answer : D) Recent primary sources are better than secondary ones 

tillage are proper for seeding and planting operations a secondary a) Primary b) Basic c) Medium d) None of these

Description : tillage are proper for seeding and planting operations a secondary a) Primary b) Basic c) Medium d) None of these

Last Answer : Primary

How are you handling Covid-19 isolation?

Description : How are you handling Covid-19 isolation?

Last Answer : I was missing friends, but now that I’m vaccinated I’m getting out more. I did fine for the year that I was really careful. I had waves of sadness now and then, but it didn’t last too long.

What are some job recommendations for people who want to live in extreme isolation?

Description : What are some job recommendations for people who want to live in extreme isolation?

Last Answer : There’s more than one kind of isolation. An intelligence operative might be among people all the time, but if you can’t trust anyone or even really associate with anyone, you’re probably going to be more isolated than you would be in a solitary cave in the Himalayas.