What does the stationary phase of sigmoid growth curve indicate? -Biology

What does the stationary phase of sigmoid growth curve indicate? -Biology
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The most active stage in the sigmoid curve of bacteria in which maximum growth is attained a. Lag phase b. Stationary phase c. Decline phase d. Log phase

Description : The most active stage in the sigmoid curve of bacteria in which maximum growth is attained a. Lag phase b. Stationary phase c. Decline phase d. Log phase

Last Answer : Ans: D

In the sigmoid curve (or) growth curve of bacteria how many stages are there a. 3 b. 4 c. 2 d. 5

Description : In the sigmoid curve (or) growth curve of bacteria how many stages are there a. 3 b. 4 c. 2 d. 5

Last Answer : Ans: B

The no. of generations per hour in a bacteria is a. Growth rate b. Generation time c. Sigmoid curve d. None of these

Description : The no. of generations per hour in a bacteria is a. Growth rate b. Generation time c. Sigmoid curve d. None of these

Last Answer : Ans: B

The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show? (a) The food plants mature and die at the end of the rainy season. (b) Its population growth curve is of J-type. (c) The population of its predators increases enormously. (d) S-shaped or sigmoid growth of this insect.

Description : The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show? (a) The food plants ... The population of its predators increases enormously. (d) S-shaped or sigmoid growth of this insect.

Last Answer : (b) Its population growth curve is of J-type.

Typical growth curve in plants is (a) stair-steps shaped (b) parabolic (c) sigmoid (d) linear.

Description : Typical growth curve in plants is (a) stair-steps shaped (b) parabolic (c) sigmoid (d) linear.

Last Answer : (c) sigmoid

Bacteria are more sensitive to antibiotics at which phase of growth curve? a. Decline phase b. Stationary phase c. Lag phase d. Log phase

Description : Bacteria are more sensitive to antibiotics at which phase of growth curve? a. Decline phase b. Stationary phase c. Lag phase d. Log phase

Last Answer : Ans: D

Growth curve does not include following phases of bacteria – a. Decline phase b. Stationary phase c. Lag phase d. Synchronous growth

Description : Growth curve does not include following phases of bacteria – a. Decline phase b. Stationary phase c. Lag phase d. Synchronous growth

Last Answer : Ans: D

Starvation proteins are produced by a culture during which of the following segments of the growth curve? A - Lag phase B- Exponential phase C- Stationary phase D- Death phase

Description : Starvation proteins are produced by a culture during which of the following segments of the growth curve? A - Lag phase B- Exponential phase C- Stationary phase D- Death phase

Last Answer : Stationary phase

What is the period where there is the least amount of growth in the growth curve? a. Lag phase b. Log phase c. Stationary phase d. Decline phase

Description : What is the period where there is the least amount of growth in the growth curve? a. Lag phase b. Log phase c. Stationary phase d. Decline phase

Last Answer : a. Lag phase

Bacteria are most sensitive to antibiotics at which phase of growth curve A Lag phase B Log Phase C Stationary phase D Phase of Decline

Description : Bacteria are most sensitive to antibiotics at which phase of growth curve A Lag phase B Log Phase C Stationary phase D Phase of Decline

Last Answer : B Log Phase

What is sigmoid curve? -Biology

Description : What is sigmoid curve? -Biology

Last Answer : answer:

Physiologically the cells are active and are synthesizing new protoplasm in which stage of the growth in bacteria a. Log phase b. Lag phase c. Stationary phase d. None of these

Description : Physiologically the cells are active and are synthesizing new protoplasm in which stage of the growth in bacteria a. Log phase b. Lag phase c. Stationary phase d. None of these

Last Answer : Ans: C

Cells are active and synthesizing new protoplasm. This stage of growth is called a. Lag phase b. Stationary phase c. Log phase d. All of these

Description : Cells are active and synthesizing new protoplasm. This stage of growth is called a. Lag phase b. Stationary phase c. Log phase d. All of these

Last Answer : Ans: A

The maximum growth rate occurs in (a) stationary phase (b) senescent phase (c) lag phase (d) exponential phase

Description : The maximum growth rate occurs in (a) stationary phase (b) senescent phase (c) lag phase (d) exponential phase

Last Answer : (d) exponential phase.

During the stationary phase of bacterial growth, the population of living cells is _____ the population of dying cells. a. greater than b. smaller than c. equal to d. increasing faster than

Description : During the stationary phase of bacterial growth, the population of living cells is _____ the population of dying cells. a. greater than b. smaller than c. equal to d. increasing faster than

Last Answer : c. equal to

the first phase of a growth curve is a. Log phase b. Lag phase c. ? phase d. Both a and b

Description : the first phase of a growth curve is a. Log phase b. Lag phase c. ? phase d. Both a and b

Last Answer : Ans: B

Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these

Description : Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these

Last Answer : D.all of these

Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these

Description : Exponential phase of growth curve of bacteria is of limited duration because of A.rise in cell density B.accumulation of toxic metabolites C.exhaustion of nutrients D.all of these

Last Answer : D.all of these

Trochlea of which bone fits in the sigmoid notch of ulna ?

Description : Trochlea of which bone fits in the sigmoid notch of ulna ?

Last Answer : Trochlea of which bone fits in the sigmoid notch of ulna ? A. Humerus B. Radius C. Femur D. Scaphid

The sigmoid notch is present in

Description : The sigmoid notch is present in

Last Answer : The sigmoid notch is present in A. Femur B. Tibio-fibula C. Humerus D. Radio-ulna

A 67-year-old male presents with an intraabdominal abscess secondary to perforated sigmoid diverticulitis. The following statement(s) is/are true concerning his intraabdominal abscess. a. Culture will likely reveal a solitary organism b. Both aerobic and anaerobic islets are encountered in 50% of specimens c. The most common aerobic islet will be likely E. coli and other gram-negative enteric bacilli d. The most common anaerobic islet will be a Bacteroides species

Description : A 67-year-old male presents with an intraabdominal abscess secondary to perforated sigmoid diverticulitis. The following statement(s) is/are true concerning his intraabdominal abscess. a. Culture will ... gram-negative enteric bacilli d. The most common anaerobic islet will be a Bacteroides species

Last Answer : Answer: b, c, d Typically an intraabdominal infection results in perforation of a hollow viscus and the ensuing contamination of a normally sterile peritoneal cavity. The normal ... Bacteroides species (especially B. fragilis, Clostridium), and anaerobic cocci are most consistently isolated

A patient with gross fecal contamination and peritonitis from a ruptured sigmoid diverticulum has his midline wound left open to heal by secondary intention. Which of the following statement(s) describes this healing process? a. Wounds healing in this fashion have an altered sequence of healing compared to a primarily closed wound b. A bed of granulation tissue forms over exposed subcutaneous tissue c. Epithelialization is enhanced in the face of bacterial colonization d. The ability of a wound to form granulation tissue is dependent on the blood supply of the tissue

Description : A patient with gross fecal contamination and peritonitis from a ruptured sigmoid diverticulum has his midline wound left open to heal by secondary intention. Which of the following statement(s) describes this ... of a wound to form granulation tissue is dependent on the blood supply of the tissue

Last Answer : Answer: b, d Open wounds, whether they be ulcers or open surgical incisions closing by secondary intention, heal with the same sequence of inflammation, matrix deposition, epithelialization ... via bacterial and phagocytic cell products such as proteases, collagenases, elastases, and other enzymes

Rank the following laboratory tests and procedures in terms of their relative value to a 65-year-old woman who is to undergo elective resection of a sigmoid cancer. A. Carcinoembryonic antigen (CEA). B. Blood urea nitrogen (BUN). C. Electrocardiogram (ECG). D. Hemoglobin concentration (Hgb). E. Serum creatinine (Cr). F. Arterial blood oxygen tension (PaO 2) on room air. G. Serum sodium concentration (Na+).

Description : Rank the following laboratory tests and procedures in terms of their relative value to a 65-year-old woman who is to undergo elective resection of a sigmoid cancer. A. Carcinoembryonic antigen (CEA). B. ... Arterial blood oxygen tension (PaO 2) on room air. G. Serum sodium concentration (Na+).

Last Answer : Answer: CDFEBAG DISCUSSION: The most important test by far is the electrocardiogram, with its capacity to indicate signs of occult heart disease. The second most important evaluation is the hemoglobin ... for resection of the colon is always normal and would be of least value among these tests

The sigmoid colon is a part of – (1) Small Intestine (2) Large Intestine (3) Pharynx (4) Rectum

Description : The sigmoid colon is a part of – (1) Small Intestine (2) Large Intestine (3) Pharynx (4) Rectum

Last Answer : (2) Large Intestine Explanation: The sigmoid colon (pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 35-40 cm in length. Its function is to expel solid and gaseous waste from the gastrointestinal tract.

The Sigmoid Colon is part of – (1) Small Intestine (2) Anal Canal (3) Large Intestine (4) Ileum

Description : The Sigmoid Colon is part of – (1) Small Intestine (2) Anal Canal (3) Large Intestine (4) Ileum

Last Answer : (3) Large Intestine Explanation: The sigmoid colon is a short curving of the colon, just before the rectum. It is part of the large intestine.

The nurse teaches the patient whose surgery will result in a sigmoid colostomy that the feces expelled through the colostomy will be a) solid. With a sigmoid colostomy, the feces are solid. b) semi-mushy. With a descending colostomy, the feces are semi-mushy. c) mushy. With a transverse colostomy, the feces are mushy. d) fluid. With an ascending colostomy, the feces are fluid.

Description : The nurse teaches the patient whose surgery will result in a sigmoid colostomy that the feces expelled through the colostomy will be a) solid. With a sigmoid colostomy, the feces are solid. b) semi- ... colostomy, the feces are mushy. d) fluid. With an ascending colostomy, the feces are fluid.

Last Answer : a) solid. With a sigmoid colostomy, the feces are solid.

The sigmoid colon is a part of (1) Small Intestine (2) Large Intestine (3) Pharynx (4) Rectum

Description : The sigmoid colon is a part of (1) Small Intestine (2) Large Intestine (3) Pharynx (4) Rectum

Last Answer : Large Intestine

The Sigmoid Colon is part of (1) Small Intestine (2) Anal Canal (3) Large Intestine (4) Ileum

Description : The Sigmoid Colon is part of (1) Small Intestine (2) Anal Canal (3) Large Intestine (4) Ileum

Last Answer : Large Intestine

Indicate which of the statement is incorrect with regard to coning of Wheels a)coning of wheels help the vehicle to negotiate a curve smoothly b) It helps in smooth riding c) It increases wear and Tear of wheel flanges* d)it enables the outer wheel of vehicle to take a longer distance e) it restricts the swaying of vehicles

Description : Indicate which of the statement is incorrect with regard to coning of Wheels a)coning of wheels help the vehicle to negotiate a curve smoothly b) It helps in smooth riding c) It increases ... enables the outer wheel of vehicle to take a longer distance e) it restricts the swaying of vehicles

Last Answer : c) It increases wear and Tear of wheel flanges*

Mycotoxins are formed during the end of a. Lag phase b. Log phase c. Death phase d. Stationary phase

Description : Mycotoxins are formed during the end of a. Lag phase b. Log phase c. Death phase d. Stationary phase

Last Answer : Ans: A

The reproduction rate is equal to death rate in which stage a. Decline phase b. Stationary phase c. Lag phase d. Log phase

Description : The reproduction rate is equal to death rate in which stage a. Decline phase b. Stationary phase c. Lag phase d. Log phase

Last Answer : Ans: D

Mycotoxins are formed during the end of a. Lag phase b. Log phase c. Death phase d. Stationary phase

Description : Mycotoxins are formed during the end of a. Lag phase b. Log phase c. Death phase d. Stationary phase

Last Answer : Ans: A

As shown in the illustration, which of the listed actions of the synchroscope pointer is occurring? EL-0002 A. Revolving slowly in the slow direction. B. Revolving rapidly in the slow direction. C. Revolving rapidly in the fast direction. D. It would be stationary at the 12 o'clock position since the leading edges of the A phases are in phase.

Description : As shown in the illustration, which of the listed actions of the synchroscope pointer is occurring? EL-0002 A. Revolving slowly in the slow direction. B. Revolving rapidly in the slow direction. C. ... stationary at the 12 o'clock position since the leading edges of the A phases are in phase.

Last Answer : Answer: C

If an electric field is applied to a colloidal sol, the dispersed phase particles are found to move towards the electrode of opposite charge. If however, the dispersed phase is made stationary, the dispersion medium is found to move in the opposite direction. What is the term used for such movement of dispersion medium ?

Description : If an electric field is applied to a colloidal sol, the dispersed phase particles are found to move towards the electrode of opposite charge. If however, the dispersed phase is made stationary, the ... move in the opposite direction. What is the term used for such movement of dispersion medium ?

Last Answer : Ans. Electro osmosis. 

In the formation of stationary waves, at T⁄2 the waves are A. out of phase B. in phase C. diminished D. twice the amplitude

Description : In the formation of stationary waves, at T⁄2 the waves are A. out of phase B. in phase C. diminished D. twice the amplitude

Last Answer : . in phase

A bacterial species generation time would be determined during the phase. a. decline b. lag c. log d. stationary

Description : A bacterial species generation time would be determined during the phase. a. decline b. lag c. log d. stationary

Last Answer : c. log

In normal phase HPLC: A. a hydrophilic stationary phase is combined with a non-polar mobile phase. B. a hydrophobic stationary phase is combined with a polar mobile phase. C. a hydrophobic stationary phase is combined with a non-polar mobile phase. D. a hydrophilic stationary phase is combined with a polar mobile phase.

Description : In normal phase HPLC: A. a hydrophilic stationary phase is combined with a non-polar mobile phase. B. a hydrophobic stationary phase is combined with a polar mobile phase. C. a hydrophobic ... a non-polar mobile phase. D. a hydrophilic stationary phase is combined with a polar mobile phase.

Last Answer : A. a hydrophilic stationary phase is combined with a non-polar mobile phase

In HPLC, the stationary phase is made of _________ and the mobile phase is made of _________ A. Solid, liquid B. Liquid, liquid C. Liquid, gas D. Solid, gas

Description : In HPLC, the stationary phase is made of _________ and the mobile phase is made of _________ A. Solid, liquid B. Liquid, liquid C. Liquid, gas D. Solid, gas

Last Answer : A. Solid, liquid

In a 3-phase synchronous motor (A) the speed of stator MMF is always more than that of rotor MMF. (B) the speed of stator MMF is always less than that of rotor MMF. (C) the speed of stator MMF is synchronous speed while that of rotor MMF is zero. (D) rotor and stator MMF are stationary with respect to each other.

Description : In a 3-phase synchronous motor (A) the speed of stator MMF is always more than that of rotor MMF. (B) the speed of stator MMF is always less than that of rotor MMF. (C) the speed of ... speed while that of rotor MMF is zero. (D) rotor and stator MMF are stationary with respect to each other.

Last Answer : Ans: D Because, Motor is magnetically locked into position with stator, the rotor poles are engaged with stator poles and both run synchronously in same direction Therefore, rotor & stator mmf are stationary w.r.t each other.

In a single-phase induction motor when the rotor is stationary and voltage is applied to the stator, then

Description : In a single-phase induction motor when the rotor is stationary and voltage is applied to the stator, then (A) the flux is constant (B) the flux first decreases and then increases in ... increases and decreases in the opposite direction with the same magnitude (D) current flows through the rotor

Last Answer : In a single-phase induction motor when the rotor is stationary and voltage is applied to the stator, then the flux first decreases and then increases in the same direction

What does this population pyramid indicate about denmarks recent population growth?

Description : What does this population pyramid indicate about denmarks recent population growth?

Last Answer : Need answer

During last phase of the reconnaissance, details of the grade line is recorded on 2 metre poles to indicate (A) Direction of the proposed alignment (B) Distance between the previous and forward pegs (C) Relative elevations of pegs (D) All the above

Description : During last phase of the reconnaissance, details of the grade line is recorded on 2 metre poles to indicate (A) Direction of the proposed alignment (B) Distance between the previous and forward pegs (C) Relative elevations of pegs (D) All the above

Last Answer : Answer: Option D

What does the term single phase indicate?

Description : What does the term single phase indicate?

Last Answer : One voltage (one output).

Draw sinusoidal waveform of 3 phase emf and indicate the phase sequence.

Description : Draw sinusoidal waveform of 3 phase emf and indicate the phase sequence.

Last Answer : Phase sequence is R-Y-B.

Two wattmeters connected to measure the power input to a balanced three-phase circuit indicate ...

Description : Two wattmeters connected to measure the power input to a balanced three-phase circuit indicate 4.5 KW and 3 KW respectively. Find the power factor of the circuit. A. 0.7 B. 0.8 C. 0.95 D. 0 

Last Answer : Two wattmeters connected to measure the power input to a balanced three-phase circuit indicate 4.5 KW and 3 KW respectively. Find the power factor of the circuit.  0.95

Assertion: Under unlimited resource conditions, popultion can show an exponential growth curve. Reason: The maximum possible number of individuals can

Description : Assertion: Under unlimited resource conditions, popultion can show an exponential growth curve. Reason: The maximum possible number of individuals can

Last Answer : Assertion: Under unlimited resource conditions, popultion can show an exponential growth curve. Reason: The ... Reason are false, then mark (4).

Which of the following statements is not true for J-shaped growth curve?

Description : Which of the following statements is not true for J-shaped growth curve?

Last Answer : Which of the following statements is not true for J-shaped growth curve? A. Exponential ... crash occurs. D. Population seldom reaches equilibrium.

What would An s shaped population growth curve best describes what?

Description : What would An s shaped population growth curve best describes what?

Last Answer : What is the answer ?

What type of growth curve is exhibited by a population that reaches a carrying capacity?

Description : What type of growth curve is exhibited by a population that reaches a carrying capacity?

Last Answer : What is the answer ?

Asymptote in a logistic growth curve is obtained when (a) K = N (b) K > N(c) K < N (d) the value of ‘r’ approaches zero

Description : Asymptote in a logistic growth curve is obtained when (a) K = N (b) K > N (c) K < N (d) the value of ‘r’ approaches zero

Last Answer : (a) K = N