Two models of cells are shown below. Why would model B be better for moving nutrients in and out of the cell?

Two models of cells are shown below. Why would model B be better for moving nutrients in and out of the cell?
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It has a larger ratio of surface area to volume. (APEX)
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A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell proteins due to structural limitations (c) Allows many antigens on the surface for identification of self and non-self (d) Provides for better structural support to cope with external physical pressure

Description : A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell ... self and non-self (d) Provides for better structural support to cope with external physical pressure

Last Answer : Ans:(a)

In the arrangement shown below, two trucks A and B are held in position with spring compressed. When they are released and the spring has fallen away, A is found to be moving to the left at 2 m/s. The energy stored in the compressed spring was (a) 12 J (b) 24 J (c) 18 J (d) 36 J

Description : In the arrangement shown below, two trucks A and B are held in position with spring compressed. When they are released and the spring has fallen away, A is found to be moving to the left at 2 m/s. The energy stored in the compressed spring was (a) 12 J (b) 24 J (c) 18 J (d) 36 J

Last Answer : Ans:(b) Direction: In the following question, a statement of Assertion (A) is given followed by corresponding Reason (R), just below it. Read the statements carefully and mark the correct answer: (a) If both A and ... true but R is not the correct explanation of A. (c) If A is true but R is false

Cancer cells interfere with cell functions in all the following ways except: a. they rob cells of their nutrients and induce cell starvation. b. they stimulate the immune system to produce destructive interferons. c. they clog the vascular network and reduce the oxygen supply to cells. d. they overwhelm cells through sheer force of numbers.

Description : Cancer cells interfere with cell functions in all the following ways except: a. they rob cells of their nutrients and induce cell starvation. b. they stimulate the immune system to produce destructive ... reduce the oxygen supply to cells. d. they overwhelm cells through sheer force of numbers.

Last Answer : b. they stimulate the immune system to produce destructive interferons.

Schwann's cell theory basically states that: a) cells are the building blocks of living things. b) cells require oxygen. c) cells are made of atoms and molecules. d) cells require nutrients.

Description : Schwann's cell theory basically states that: a) cells are the building blocks of living things. b) cells require oxygen. c) cells are made of atoms and molecules. d) cells require nutrients.

Last Answer : ANSWER: A -- CELLS ARE THE BUILDING BLOCKS OF LIVING THINGS. 

Managing a product in the growth stage of its life cycle might include 1. Lowering prices after developmental costs have been recovered 2. Raising promotion expenditures as a percentage of total sales as sales increase 3. Moving from intensive to selective product exposure 4. Reducing the number of product models in the product line 5. None of these

Description : Managing a product in the growth stage of its life cycle might include 1. Lowering prices after developmental costs have been recovered 2. Raising promotion expenditures as a percentage of total sales ... exposure 4. Reducing the number of product models in the product line 5. None of these

Last Answer : Lowering prices after developmental costs have been recovered

Managing a product in the growth stage of its life cycle might include A)lowering prices after developmental costs have been recovered. B)raising promotion expenditures as a percentage of total sales as sales increase. C)moving from intensive to selective product exposure. D)reducing the number of product models in the product line

Description : Managing a product in the growth stage of its life cycle might include A)lowering prices after developmental costs have been recovered. B)raising promotion expenditures as a percentage of total ... intensive to selective product exposure. D)reducing the number of product models in the product line

Last Answer : A)lowering prices after developmental costs have been recovered.

Which of the following techniques uses variables such as price and promotional expenditures, which are related to product demand, to predict demand? (a) associative models ; (b) exponential smoothing ; (c) weighted moving average (d) time series

Description : Which of the following techniques uses variables such as price and promotional expenditures, which are related to product demand, to predict demand? (a) associative models ; (b) exponential smoothing ; (c) weighted moving average (d) time series

Last Answer : (a) associative models ; 

Point out the correct statement: 1) Different types of cloud computing service models provide different levels of security services 2) Adapting your on-premises systems to a cloud model requires that you determine what security mechanisms are required and mapping those to controls that exist in your chosen cloud service provider 3) Data should be transferred and stored in an encrypted format for security purpose A. 1,2,3 are correct B. only 1 is correct C. 2 and 3 are correct D. none are correct

Description : Point out the correct statement: 1) Different types of cloud computing service models provide different levels of security services 2) Adapting your on-premises systems to a cloud model requires that you determine what ... are correct B. only 1 is correct C. 2 and 3 are correct D. none are correct

Last Answer : 1,2,3 are correct

Point out the correct statement: 1) Different types of cloud computing service models provide different levels of security services 2) Adapting your on-premises systems to a cloud model requires that you determine what security mechanisms are required and mapping those to controls that exist in your chosen cloud service provider 3) Data should be transferred and stored in an encrypted format for security purpose A. 1,2,3 are correct B. only 1 is correct C. 2 and 3 are correct D. none are correct

Description : Point out the correct statement: 1) Different types of cloud computing service models provide different levels of security services 2) Adapting your on-premises systems to a cloud model requires that you determine what ... are correct B. only 1 is correct C. 2 and 3 are correct D. none are correct

Last Answer : 1,2,3 are correct

Point out the correct statement. a) Different types of cloud computing service models provide different levels of security services b) Adapting your on-premises systems to a cloud model requires that you determine what security mechanisms are required and mapping those to controls that exist in your chosen cloud service provider c) Data should be transferred and stored in an encrypted format for security purpose d) All of the mentioned

Description : Point out the correct statement. a) Different types of cloud computing service models provide different levels of security services b) Adapting your on-premises systems to a cloud model requires that ... be transferred and stored in an encrypted format for security purpose d) All of the mentioned

Last Answer : Data should be transferred and stored in an encrypted format for security purpose d) All of the mentioned

Which one of the following models was suggested by the Ashok Mehta Committee for the Panchayati Raj in India? (1) Three-tier model (2) Mandal Panchayat model (3) Two-tier model (4) Gram Panchayat model

Description : Which one of the following models was suggested by the Ashok Mehta Committee for the Panchayati Raj in India? (1) Three-tier model (2) Mandal Panchayat model (3) Two-tier model (4) Gram Panchayat model

Last Answer : (3) Two-tier model Explanation: Two-tier model was suggested by the Ashok Mehta committee for the Panchayati Raj in India. The 3-tier system of Panchayati Raj should be replaced by the 2-tier system:

Do you have an opinion on "America's Next Top Model" casting models 5'7" and under this season?

Description : Do you have an opinion on "America's Next Top Model" casting models 5'7" and under this season?

Last Answer : Hum… how many actual “top models” are under 5’7”? I’m not questioning if the industry’s standard of beauty should be changed

If the structure is more complex in order to simplify the model, we need to subdividethe structure into substructures. These substructures are termed as . a.elements b.modules c.links d.models

Description : If the structure is more complex in order to simplify the model, we need to subdividethe structure into substructures. These substructures are termed as . a.elements b.modules c.links d.models

Last Answer : b.modules

Identify which technique will not help a company to optimise its working capital cycle. A. Offering discounts for early payment by debtors B. Using cash management models to optimise the level of cash held C. Taking full advantage of credit offered by trade suppliers D. Applying the economic order quantity model to stock management E. Adopting the use of just-in-time stock management

Description : Identify which technique will not help a company to optimise its working capital cycle. A. Offering discounts for early payment by debtors B. Using cash management models to optimise the level of ... order quantity model to stock management E. Adopting the use of just-in-time stock management

Last Answer : B. Using cash management models to optimise the level of cash held

The three different service models are together known as the _____ model of cloud computing. a) SPI b) SIP c) CPI d) All of the mentioned

Description : The three different service models are together known as the _____ model of cloud computing. a) SPI b) SIP c) CPI d) All of the mentioned

Last Answer : SIP

What advantage is there for an enterprise to adopt a virtual private cloud model? A. Reduce costs by adopting a flexible pricing model for the entire operation. B. Reduce infrastructure costs since all data centers will be managed in a third party cloud. C. Manage sensitive data in a compliant and secure manner and benefit from flexible pricing models for select services or infrastructure. D. Obtain maximum control over aspects such as security and performance since the entire infrastructure will be managed within the IT department.

Description : What advantage is there for an enterprise to adopt a virtual private cloud model? A. Reduce costs by adopting a flexible pricing model for the entire operation. B. Reduce infrastructure ... such as security and performance since the entire infrastructure will be managed within the IT department.

Last Answer : Manage sensitive data in a compliant and secure manner and benefit from flexible pricing models for select services or infrastructure.

Which of the following is the working modelsfor cloud computing? A. Deployment Models B. Configuring Model C. Collaborative Model D. All of the above

Description : Which of the following is the working modelsfor cloud computing? A. Deployment Models B. Configuring Model C. Collaborative Model D. All of the above

Last Answer : Deployment Models

27. The mathematical model of an LP problem is important because a. It helps in converting the verbal description & numerical data into mathematical expression b. Decision-makers prefer to work with formal models c. It captures the relevant relationship among decision factors d. It enables the use of algebraic technique

Description : 27. The mathematical model of an LP problem is important because a. It helps in converting the verbal description & numerical data into mathematical expression b. Decision-makers prefer to ... captures the relevant relationship among decision factors d. It enables the use of algebraic technique

Last Answer : a. It helps in converting the verbal description & numerical data into mathematical expression

The model that assumes that effort and development time are functions of product size alone is (A) Basic COCOMO model (B) Intermediate COCOMO model (C) Detailed COCOMO model (D) All the three COCOMO models

Description : The model that assumes that effort and development time are functions of product size alone is (A) Basic COCOMO model (B) Intermediate COCOMO model (C) Detailed COCOMO model (D) All the three COCOMO models

Last Answer : (A) Basic COCOMO model

V- model uses -------- test models a) Component testing, integration testing, system testing and acceptance testing b) alpha testing, beta testing , acceptance testing and user testing c) black box testing, white box testing and gray box testing

Description : V- model uses -------- test models a) Component testing, integration testing, system testing and acceptance testing b) alpha testing, beta testing , acceptance testing and user testing c) black box testing, white box testing and gray box testing

Last Answer : a

What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is possible. 2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible. 3. Increased availability of nutrients to plants is possible. 4. Reduction in the leaching of chemical nutrients is possible. Select the correct answer using the code given below - a) 1, 2 and 3 only b) 1, 2 and 4 only c) 1, 3 and 4 only d) 2, 3 and 4 only

Description : What are the advantages of fertigation in agriculture? 1. Controlling the alkalinity of irrigation water is possible. 2. Efficient application of Rock Phosphate and all other phosphatic fertilizers is possible. 3. Increased availability of ... 1, 2 and 4 only c) 1, 3 and 4 only d) 2, 3 and 4 only

Last Answer : c) 1, 3 and 4 only

134 Given below are the statements about the harmful effects of weeds on crop plants. i. They interfere in harvesting ii. They help crops to grow healthy. iii. They compete with crop plants for water, nutrients , space and light . iv. They affect plant growth . Choose the correct combination of statements a) i, iii, iv b)iii only c) iii , iv d) i, ii , iii, iv

Description : 134 Given below are the statements about the harmful effects of weeds on crop plants. i. They interfere in harvesting ii. They help crops to grow healthy. iii. They compete with crop plants for water, nutrients , space and light ... statements a) i, iii, iv b)iii only c) iii , iv d) i, ii , iii, iv

Last Answer : a) i, iii, iv

Read the statement given below (i ) Seeds require moisture for germination . (ii) Plant can absorb nutrients in dissolved form. (iii) Irrigation protects crop from both frost and hot air currents . (iv) Irrigation improves soil texture . a) i and ii b) i ,ii, iii c) i , ii , iii , iv . d) i and iii

Description : Read the statement given below (i ) Seeds require moisture for germination . (ii) Plant can absorb nutrients in dissolved form. (iii) Irrigation protects crop from both frost and hot air currents . (iv) Irrigation improves soil texture . a) i and ii b) i ,ii, iii c) i , ii , iii , iv . d) i and iii

Last Answer : a) i and ii

In which process does oxygen carry nutrients from blood to lymph and from lymph to cells ?

Description : In which process does oxygen carry nutrients from blood to lymph and from lymph to cells ?

Last Answer : Answer : Nutrients in the blood carry oxygen to the lymph in the process of diffusion and transport from the lymph to the cells.

How are nutrients transported to the cells in humans?

Description : How are nutrients transported to the cells in humans?

Last Answer : Via the blood.

How do cells receive nutrients?

Description : How do cells receive nutrients?

Last Answer : through nuclear system

What do chloroplasts use to produce nutrients for plant cells and some protist cells?

Description : What do chloroplasts use to produce nutrients for plant cells and some protist cells?

Last Answer : They use CO2 and H2O.Glucose and O2 are produced.

Which one of the following is not a property of cancerous cells, whereas the remaining three are? (a) They compete with normal cells for vital nutrients. (b) They do not remain confined in the area of formation. (c) They divide in an uncontrolled manner. (d) They show contact inhibition.

Description : Which one of the following is not a property of cancerous cells, whereas the remaining three are? (a) They compete with normal cells for vital nutrients. (b) They do not remain confined in the area of formation. (c) They divide in an uncontrolled manner. (d) They show contact inhibition.

Last Answer : (d) They show contact inhibition.

The following are true: a. the ratio of rod to cone is about 20:1 b. there are more ganglion cells in the retina than photoreceptors c. the rod density is the highest nasal to the optic disc d. the retinal artery is the main supply of nutrients to the photoreceptors

Description : The following are true: a. the ratio of rod to cone is about 20:1 b. there are more ganglion cells in the retina than photoreceptors c. the rod density is the highest nasal to the optic disc d. the retinal artery is the main supply of nutrients to the photoreceptors

Last Answer : the ratio of rod to cone is about 20:1

Which one of the following in not a property of cancerous cells whereas the remaining three are ? (1) They show contact inhibition (2) They compete with normal cells for vital nutrients (3) They do not remain confined in the area of formation (4) They divide in an uncontrolled manner

Description : Which one of the following in not a property of cancerous cells whereas the remaining three are ? (1) They show contact inhibition (2) They compete with normal cells for vital nutrients (3) They do not remain confined in the area of formation (4) They divide in an uncontrolled manner

Last Answer : They show contact inhibition

Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of hypoxanthine and xanthene b. Oxygen free radicals such as the superoxide radical are involved in the expression of the proinflammatory phenotype of endothelial cells, macrophages and neutrophils c. The intracellular adhesion molecule-1 (ICAN-1) contributes to injury and disruption of the endothelial lining, with extensive capillary leak and resultant interstitial edema d. Animal models have demonstrated that passive immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury

Description : Which of the following statement(s) is/are true concerning ischemia reperfusion injury? a. During ischemia, ATP degradation results in increased plasma and intracellular levels of ... immunization with antibodies to neutrophil adhesive complex lessen the ischemic/reperfusion microvascular injury

Last Answer : Answer: a, b, c, d During the ischemia and hypoperfusion phase, degradation of ATP stores essential to maintain cell integrity and significant loss of diffusible ... either the neutrophil adhesive complex or the endothelial selectins dramatically lessens ischemia/reperfusion microvascular injury

In crop movement programme, haploids are important because they (a) require one half of nutrients (b) are helpful in study of meiosis (c) grow better under adverse conditions (d) form perfect homozygous.

Description : In crop movement programme, haploids are important because they (a) require one half of nutrients (b) are helpful in study of meiosis (c) grow better under adverse conditions (d) form perfect homozygous.

Last Answer : (d) form perfect homozygous.

Does the IPhone 4 get better battery life in practical use than the 3G and previous models? how has your experience been with it in general?

Description : Does the IPhone 4 get better battery life in practical use than the 3G and previous models? how has your experience been with it in general?

Last Answer : answer:I switched from 3g to 4 and definitely noticed a difference. With my 3g i would barely last a full day on one charge, now I am easily going 2+ days. reception actually seems a little worse, but it could be just that i am noticing it more now that I know there are issues.

Which class of Mercedes models is better the s class or the c class?

Description : Which class of Mercedes models is better the s class or the c class?

Last Answer : It is hard to say that either the S or the C class as they are both great,and each have unique features. If you want the best of the best in a Mercedes I would suggest an AMG version.

A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics. (a) Cytokinesis Cell plate formed, mitochondria distributed between two daughter cells.(b) Telophase Endoplasmic reticulum and nucleolus not reformed yet. (c) Telophase Nuclear envelope reforms,Golgi complex reforms. (d) Late anaphase Chromosomes move away from equatorial plate, Golgi complex not present.

Description : A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics. (a) Cytokinesis Cell plate formed, mitochondria ... reforms. (d) Late anaphase Chromosomes move away from equatorial plate, Golgi complex not present.

Last Answer : (c) Telophase Nuclear envelope reforms,Golgi complex reforms.

(CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and sclerenchyma. She can identify sclerenchyma by the (a) location of nucleus (b) size of cells (c) thickness of cell walls (d) position of vacuoles

Description : (CBSE2011): Deepa was shown two slides of plant tissues: parenchyma and sclerenchyma. She can identify sclerenchyma by the (a) location of nucleus (b) size of cells (c) thickness of cell walls (d) position of vacuoles

Last Answer : (c) thickness of cell walls

What nutrients or foods feed the mitochondria in the cell?

Description : What nutrients or foods feed the mitochondria in the cell?

Last Answer : Need answer

What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Description : What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Last Answer : plaama membrane

What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Description : What is the bacterial structure that acts as a selective barrier allowing nutrients to enter the cell and wastes to leave the cell.?

Last Answer : plaama membrane

Multiplication of cell of large number of plants placed in appropriate environment conditions with required nutrients is known as

Description : Multiplication of cell of large number of plants placed in appropriate environment conditions with required nutrients is known as

Last Answer : Ans. Plant tissue or in vitro culture

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

What is the function of the cell envelope? a. growth and reproduction b. protection from osmotic pressure c. sensing and responding to the environment d. acquiring nutrients

Description : What is the function of the cell envelope? a. growth and reproduction b. protection from osmotic pressure c. sensing and responding to the environment d. acquiring nutrients

Last Answer : b. protection from osmotic pressure

What are some of the models of future cell phones coming out soon?

Description : What are some of the models of future cell phones coming out soon?

Last Answer : New cell phone models are released almost every month. For reviews of new and promising cells phones for 2011, please see: http://www.pcmag.com/article2/0,2817,2376171,00.asp

Where can I search for the newest cell phone models online?

Description : Where can I search for the newest cell phone models online?

Last Answer : reviews.cnet.com/cell-phones/ offers not only information about the newest phone models, but reviews and links to sellers, as well.

What are the best models of Samsung cell phones?

Description : What are the best models of Samsung cell phones?

Last Answer : Some of the best Samsung cell phone models are Samsung Galaxy 3 GSM Unlocked Cell Phone, Samsung Eternity II GSM Unlocked Cell Phone and the Samsung Impression A877.

Popular Samsung Cell Phone Models?

Description : Popular Samsung Cell Phone Models?

Last Answer : Samsung is a leading manufacturer of cell phones and other popular electronic devices. Samsung cell phones feature unique styling and a sleek design. Prices for popular Samsung cell phone models vary ... select devices. Samsung cell phone models are utilized on most of the major cellular networks.

A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids separate. (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids. (c) Anaphase - Centromeres split and chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.

Description : A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids ... chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.

Last Answer : (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids.

Moving the rheostat handle shown in the illustration, that is used to control a DC generator, towards the 'raise' direction will increase the _____________. EL-0030 A. field resistance B. armature resistance C. armature speed D. line voltage

Description : Moving the rheostat handle shown in the illustration, that is used to control a DC generator, towards the 'raise' direction will increase the _____________. EL-0030 A. field resistance B. armature resistance C. armature speed D. line voltage

Last Answer : Answer: D

Find the false statement: (A) The relationship construct known as the weak relationship type was defined by Dey, Storey & Barron (1999). (B) A weak relationship occurs when two relationship types are linked by either Event-Precedent sequence or Condition-Precedent sequence (C) Conceptual model is not accurate representation of "Universe of interest". (D) Ternary, Quaternary and Quintary relationships are shown through a series of application scenario's and vignette's

Description : Find the false statement: (A) The relationship construct known as the weak relationship type was defined by Dey, Storey & Barron (1999). (B) A weak relationship occurs when two ... Ternary, Quaternary and Quintary relationships are shown through a series of application scenario's and vignette's

Last Answer : (C) Conceptual model is not accurate representation of "Universe of interest".