In living things cells must be a solution where water leaves and enters the cell at?

In living things cells must be a solution where water leaves and enters the cell at?
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a substance that enters earth's cycles and does harm to living things is -General Knowledge

Description : a substance that enters earth's cycles and does harm to living things is -General Knowledge

Last Answer : A substance that enters Earth's cycles and does harm to living things is a Pollutant.

The initiation of a humoral immune response involves a complex interaction of the antigen, cells and intercellular messengers. Which of the following statement(s) concerning the initiation of the humoral immune response is/are correct? a. Helper T lymphocytes stimulate B lymphocytes through secretion of cytokines such as interleukin 4 and 6 b. A number of cells can aid in presenting the antigen to the helper T cell including B lymphocytes and macrophages c. All antigens require coordinated efforts of the various cellular components of the immune system d. An antigen must be a living microorganism

Description : The initiation of a humoral immune response involves a complex interaction of the antigen, cells and intercellular messengers. Which of the following statement(s) concerning the initiation of the ... various cellular components of the immune system d. An antigen must be a living microorganism

Last Answer : Answer: a, b Stimulation of the immune system occurs after a variety of antigen-presenting cells (B lymphocytes, macrophages, dendritic cells, and Langerhans cells) act to engulf ... polysaccharides), most antigens require coordinated efforts of the various cellular components of the immune system

Which of the following statements supports the cell theory? a. all living things are made of cells b. all living things have a chromosome in the nucleus c. all living things have cellular metabolism in the mitochondria d. A-C are correct

Description : Which of the following statements supports the cell theory? a. all living things are made of cells b. all living things have a chromosome in the nucleus c. all living things have cellular metabolism in the mitochondria d. A-C are correct

Last Answer : a. all living things are made of cells

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. 

What does the stomata open? (I) When the guard cells are in flaccid condition (ll) When there is an accumulation of K ions in the guard cells (III) When water enters into the guard cells (IV) When the water potential of guard cells is lower than that of adjacent cells (A) II, III and IV I and IV (B) I and III (C) (D) None

Description : What does the stomata open? (I) When the guard cells are in flaccid condition (ll) When there is an accumulation of K ions in the guard cells (III) When water enters into the guard cells (IV) When the water potential of ... of adjacent cells (A) II, III and IV I and IV (B) I and III (C) (D) None

Last Answer : (A) II, III and IV

Before pyruvic acid enters the TCA cycle it must be converted to (A) Acetyl CoA (B) Lactate (C) α-ketoglutarate (D) Citrate

Description : Before pyruvic acid enters the TCA cycle it must be converted to (A) Acetyl CoA (B) Lactate (C) α-ketoglutarate (D) Citrate

Last Answer : A

What safety actions does the nurse need to take for a patient on oxygen therapy who is undergoing magnetic resonance imaging (MRI)? a) Ensure that no patient care equipment containing metal enters the room where the MRI is located. For patient safety the nurse must make sure no patient care equipment (e.g., portable oxygen tanks) that contains metal or metal parts enters the room where the MRI is located. The magnetic field generated by the unit is so strong that any metal-containing items will be strongly attracted and can literally be pulled away with such great force that they can fly like projectiles towards the magnet.

Description : What safety actions does the nurse need to take for a patient on oxygen therapy who is undergoing magnetic resonance imaging (MRI)? a) Ensure that no patient care equipment containing metal enters the ... oxygen tanks) that contains metal or metal parts enters the room where the MRI is located.

Last Answer : a) Ensure that no patient care equipment containing metal enters the room where the MRI is located. For patient safety the nurse must make sure no patient care equipment (e.g., portable oxygen ... literally be pulled away with such great force that they can fly like projectiles towards the magnet.

Which one of the following statements concerning glucose metabolism is correct? (A) The conversion of Glucose to lactate occurs only in the R.B.C (B) Glucose enters most cells by a mechanism in which Na+ and glucose are co-transported (C) Pyruvate kinase catalyses an irreversible reaction (D) An elevated level of insulin leads to a decreased level of fructose 2, 6-bisphosphate in hepatocyte

Description : Which one of the following statements concerning glucose metabolism is correct? (A) The conversion of Glucose to lactate occurs only in the R.B.C (B) Glucose enters most cells by a mechanism in ... ) An elevated level of insulin leads to a decreased level of fructose 2, 6-bisphosphate in hepatocyte

Last Answer : C

Glucose enters the cells by (A) insulin independent transport (B) insulin dependent transport (C) enzyme mediated transport (D) Both (A) and (B)

Description : Glucose enters the cells by (A) insulin independent transport (B) insulin dependent transport (C) enzyme mediated transport (D) Both (A) and (B)

Last Answer : D

At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) When HIV damages large number of helper T  - lymphocytes (d) When the viral DNA is produced by reverse transcriptase

Description : At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) ... large number of helper T  - lymphocytes (d) When the viral DNA is produced by reverse transcriptase

Last Answer : (c) When HIV damages large number of helper T  - lymphocytes

Which one of the following is one of the paths followed by air or O2 during respiration in the adult male Periplaneta  americana as it enters the animal body? (a) Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells (b) Mouth, bronchial tube, trachea, oxygen enters cells (c) Spiracles in prothorax, tracheoles, trachea, oxygen diffuses into cells (d) Hypopharynx, mouth, pharynx, trachea, tissues

Description : Which one of the following is one of the paths followed by air or O2 during respiration in the adult male Periplaneta  americana as it enters the animal body? (a) Spiracle in ... prothorax, tracheoles, trachea, oxygen diffuses into cells (d) Hypopharynx, mouth, pharynx, trachea, tissues

Last Answer : (a) Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells

The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.

Description : The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.

Last Answer : Ans.Transpiration

Hot water (0.01 m3 /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m3 /min) of density 800 kg/m3 and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately (A) 32 (B) 37 (C) 45 (D) 50

Description : Hot water (0.01 m3 /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m3 /min) of density 800 kg/m3 and specific heat of ... mean temperature difference in °C is approximately (A) 32 (B) 37 (C) 45 (D) 50

Last Answer : (A) 32

A mountaineer enters town by llama on Friday, staying there for 3 days before leaving. He leaves on Wednesday. How could this be? -Riddles

Description : A mountaineer enters town by llama on Friday, staying there for 3 days before leaving. He leaves on Wednesday. How could this be? -Riddles

Last Answer : His llama is called Wednesday.

A man enters an expensive restraunt and orders a meal. When the waiter brings him his meal the man takes out a slip of paper and writes down 102004180, then leaves. The cashier hands the slip of paper to the cashier who understood it immediately.What did the slip of paper say? -Riddles

Description : A man enters an expensive restraunt and orders a meal. When the waiter brings him his meal the man takes out a slip of paper and writes down 102004180, then leaves. The cashier hands the slip of paper to the cashier who understood it immediately.What did the slip of paper say? -Riddles

Last Answer : I =1, 0=Ought, 2=To, 0=Owe, 0=Nothing, 4=For, 1=I, 8=Ate, 0=Nothing. I Ought To Owe Nothing For I Ate Nothing. 102004180

A train just leaves a station and enters a tunnel. Where is the best place for a claustrophobic person to sit? -Riddles

Description : A train just leaves a station and enters a tunnel. Where is the best place for a claustrophobic person to sit? -Riddles

Last Answer : In the back. See, the train is still accelerating as it is leaving the station so the train will be moving faster when the back of the train enters the tunnel.

Which is the process in which no heat enters or leaves? -Do You Know?

Description : Which is the process in which no heat enters or leaves? -Do You Know?

Last Answer : answer:

An electric current I enters and leaves a uniform circular wire of radius a through diametrically opposite points. A charged paricle q moving along th

Description : An electric current I enters and leaves a uniform circular wire of radius a through diametrically opposite points. A charged paricle q moving along th

Last Answer : An electric current I enters and leaves a uniform circular wire of radius a through diametrically opposite points. A ... `qv(mu_(0)i)/(a)` D. zero

What does the material that leaves the blood and enters the nephron make up?

Description : What does the material that leaves the blood and enters the nephron make up?

Last Answer : Need answer

An input /output device at which data enters or leaves a computer system is A) Keyboard B) Terminal C) Printer D) Plotter

Description : An input /output device at which data enters or leaves a computer system is A) Keyboard B) Terminal C) Printer D) Plotter

Last Answer : Answer : B

Adiabatic compression is one in which A. Temperature during compression remains constant B. No heat leaves or enters the compressor cylinder during compression C. Temperature rise follows a linear relationship D. Work done is maximum.

Description : Adiabatic compression is one in which A. Temperature during compression remains constant B. No heat leaves or enters the compressor cylinder during compression C. Temperature rise follows a linear relationship D. Work done is maximum.

Last Answer : ANSWER : B

Which is the process in which no heat enters or leaves?

Description : Which is the process in which no heat enters or leaves?

Last Answer : Adiabatic

In a/an __________ vessel, the fluid enters and leaves following plug flow. (A) Open (B) Closed (C) Open-closed (D) Close-opened

Description : In a/an __________ vessel, the fluid enters and leaves following plug flow. (A) Open (B) Closed (C) Open-closed (D) Close-opened

Last Answer : (B) Closed

In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C. (A) 20 (B) 60 (C) 120 (D) ∞

Description : In a counter flow heat exchanger, hot fluid enters at 170°C & leaves at 150°C, while the cold fluid enters at 50°C & leaves at 70°C. The arithmetic mean temperature difference in this case is __________ °C. (A) 20 (B) 60 (C) 120 (D) ∞

Last Answer : (D) ∞

Select the incorrect statement. (A) Earliest start of an activity is the early event time of the node it leaves. (B) Latest finish of an activity is the late event time of the node it enters. (C) Latest start of an activity is its latest finish minus its duration. (D) None of the above

Description : Select the incorrect statement. (A) Earliest start of an activity is the early event time of the node it leaves. (B) Latest finish of an activity is the late event time of the node it enters. (C) Latest start of an activity is its latest finish minus its duration. (D) None of the above

Last Answer : (D) None of the above

_____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Description : _____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Last Answer : Entrophy

When a solid melts,  a. the temperature of the substance increases.  b. the temperature of the substance decreases.  c. heat leaves the substance.  d. heat enters the substance.

Description : When a solid melts,  a. the temperature of the substance increases.  b. the temperature of the substance decreases.  c. heat leaves the substance.  d. heat enters the substance.

Last Answer : heat enters the substance.

An adiabatic process is one in which  A.no heat enters or leaves the gas  B.the temperature of the gas changes  C.the change in internal energy is equal to the mechanical workdone  D.all of the above

Description : An adiabatic process is one in which  A.no heat enters or leaves the gas  B.the temperature of the gas changes  C.the change in internal energy is equal to the mechanical workdone  D.all of the above

Last Answer : Answer: D

An input /output device at which data enters or leaves a computer system is a. Keyboard b. Terminal c. Printer d. Plotter

Description : An input /output device at which data enters or leaves a computer system is a. Keyboard b. Terminal c. Printer d. Plotter

Last Answer : b. Terminal

An input /output device at which data enters or leaves a computer system is a. Keyboard b. Terminal c. Printer d. Plotter

Description : An input /output device at which data enters or leaves a computer system is a. Keyboard b. Terminal c. Printer d. Plotter

Last Answer : b. Terminal

An input /output device at which data enters or leaves a computer system is a. Keyboard b. Terminal c. Printer d. Plotter

Description : An input /output device at which data enters or leaves a computer system is a. Keyboard b. Terminal c. Printer d. Plotter

Last Answer : b. Terminal

In axial flow fans and turbines, fluid enters and leaves as follows :

Description :  In axial flow fans and turbines, fluid enters and leaves as follows : (A) radially, axially (B) axially, radially (C) axially, axially (D) radially, radially

Last Answer : In axial flow fans and turbines, fluid enters and leaves as follows : (A) radially, axially (B) axially, radially (C) axially, axially (D) radially, radially

Assertion : Insulin is not given orally. Reason : Insulin hormone is lipid-soluble and directily enters inside the cell membrane.

Description : Assertion : Insulin is not given orally. Reason : Insulin hormone is lipid-soluble and directily enters inside the cell membrane.

Last Answer : Assertion : Insulin is not given orally. Reason : Insulin hormone is lipid-soluble and directily enters ... D. If both Assertion and Reason are false.

When before a cell enters mitosis what happens to the genetic information in that cell?

Description : When before a cell enters mitosis what happens to the genetic information in that cell?

Last Answer : Need answer

What happens to a T cell when HIV enters them?

Description : What happens to a T cell when HIV enters them?

Last Answer : Feel Free to Answer

What happens once the DNA from the HIV particle enters the cell nucleus?

Description : What happens once the DNA from the HIV particle enters the cell nucleus?

Last Answer : The DNA molecule, known as a provirus, assumes a relationship with the DNA of the T lymphocyte, and the provirus enters the state of lysogeny. From this point in the nucleus, the provirus encodes new HIV ... may occur as soon as weeks after infection or as long as 20 years or more after infection. 

When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Description : When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Last Answer : A.lysogeny

When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Description : When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Last Answer : A.lysogeny

Which does NOT occur in a cell stimulated by a steroid hormone? A) The steroid hormone enters the cell by crossing the plasma membrane. B) The hormone binds to a receptor molecule in the cytoplasm. C) The second messenger cyclic AMP is stimulated by the hormone-receptor complex. D) The hormone-receptor complex binds the chromatin and activates certain genes. E) DNA is transcribed, mRNA is translated, and the result is protein synthesis.

Description : Which does NOT occur in a cell stimulated by a steroid hormone? A) The steroid hormone enters the cell by crossing the plasma membrane. B) The hormone binds to a receptor molecule in the ... activates certain genes. E) DNA is transcribed, mRNA is translated, and the result is protein synthesis.

Last Answer : C) The second messenger cyclic AMP is stimulated by the hormone-receptor complex. D) The hormone-receptor complex binds the chromatin and activates certain genes.

What scientific theory says all living things are made up of cells carry on life functions and produce new cells?

Description : What scientific theory says all living things are made up of cells carry on life functions and produce new cells?

Last Answer : cell theory

Are cells a basic unit of all living things?

Description : Are cells a basic unit of all living things?

Last Answer : Yes.

7. In a recombinant DNA technology a plasmid vector must be cleaved by a) the same enzyme that leaves the donor gene b) modified DNA ligase c) a heated alkaline solution d) four separate enzymes

Description : 7. In a recombinant DNA technology a plasmid vector must be cleaved by a) the same enzyme that leaves the donor gene b) modified DNA ligase c) a heated alkaline solution d) four separate enzymes

Last Answer : a) the same enzyme that leaves the donor gene

In plants, enzymes occur in (A) Flowers only (B) Leaves only (C) All living cells (D) Storage organs only

Description : In plants, enzymes occur in (A) Flowers only (B) Leaves only (C) All living cells (D) Storage organs only

Last Answer : Answer : C

When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in the electrolyte B. any water that has been previously added to the cells will dilute the solution and give a false reading C. a hydrometer reading is inaccurate if taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Description : When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in ... taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Last Answer : Answer: C

If living cells, similar to those found on earth, were found on anotyher planet, where there was no oxygen, which cell organelle would most probably b

Description : If living cells, similar to those found on earth, were found on anotyher planet, where there was no oxygen, which cell organelle would most probably b

Last Answer : If living cells, similar to those found on earth, were found on anotyher planet, where ... . Golgi apparatus C. Mitochondria D. Endoplasmic Reticulum

A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance of these differences is/are true? a. The cell membrane is able to maintain a 10,000 fold gradient between the extracellular concentration of ionized calcium and the intracellular concentration b. The key to these differences is the fact that the plasma membrane is normally impermeable to sodium, potassium and calcium c. The selectivity of biologic membranes is highly consistent and seldom changes d. The selectivity of cell membranes relates only to ions and not organic compounds

Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds

Last Answer : Answer: a The survival of the cell requires that cytosolic composition be maintained within narrow limits, despite the constant influx of nutrients and the simultaneous outflow of waste. A ... be altered drastically as a result of regulatory or signaling processes that occur within the cell

Which is correct about cell theory in view of current status of our knowledge about cell structure? (a) It needs modification due to discovery of subcellular structures like chloroplasts and mitochondria. (b) Modified cell theory means that all living being are composed of cells capable of reproducing. (c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation. (d) Cell theory means that all living objects consists of cells whether or not capable of reproducing

Description : Which is correct about cell theory in view of current status of our knowledge about cell structure? (a) It needs modification due to discovery of subcellular structures like chloroplasts and ... Cell theory means that all living objects consists of cells whether or not capable of reproducing

Last Answer : (c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation.

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? (a) Pseudomonas (b) Mycoplasma (c) Nostoc (d) Bacillus

Last Answer : (b) Mycoplasma

A bio-catalyst produced by living cells which acts independent of the cell is called a/an (A) Substrate (B) Enzyme (C) Nutrient (D) None of these

Description : A bio-catalyst produced by living cells which acts independent of the cell is called a/an (A) Substrate (B) Enzyme (C) Nutrient (D) None of these

Last Answer : (B) Enzyme

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Description : Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ? (1) Pseudomonas (2) Mycoplasma (3) Nostoc (4) Bacillus

Last Answer : (2) Mycoplasma