Homework Answers
Water has very less concentration whereas RBC is concentrated. So water will move from outside environment to inside the RBC and RBC will burst
Option C is correct
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Which scenario describes what is likely to happen if a large amount of water rather than...
If human red blood cells are placed in an isotonic solution (0.9% NaCl; MW = 58.4;...
If human red blood cells are placed in an isotonic solution (0.9% NaCl; MW = 58.4; 37°C), they neither gain nor lose water. (a) Calculate the osmotic potential (atm) inside those red blood cells; (b) What would happen to the cells if they were placed in pure water, rather than the isotonic solution? Why?
Is this correct so far ? Furthemore, i need help on the blank ones Name Section...
Is
this correct so far ? Furthemore, i need help on the blank ones
Name Section LABORATORY 5 REVIEW QUESTIONS Time 1. Define the following terms: a hypotonie - having lower osmotic pressure in Solution b. isotonic - nouing same osmonic pressure in Solution c. hypertonic - having higher osmon1C Pressure than a particular fluid 2 The diagram below shows three beakers labeled A, B and C which contain water, 1% sucrose and 10% sucrose, respectively. Label cach beaker with...
10. Biological systems are A) Open; B) Closed; C) Isolated; D) At equilibrium; E) Eternal. e...
10. Biological systems are A) Open; B) Closed; C) Isolated; D) At equilibrium; E) Eternal. e AGo (in kl/mol) for the reaction: A + BC. D at 25 oC, when the equilibrium concentrations are [A] 5 HM, [B) 3 HM, [C] -15 uM, [D] 10 uM (R81 A) +5.7 k]/mol; B) 5.7 k]/mol: c) +2.3 k]/mol: D) 2.3 k]/mol: E) 0.1 k]/mol. 12. Which of the following is true? A) Hydrogen bonding is a major factor in the structure of...
29) Insulin is a water-soluble hormone transported in the blood. Which describes a likely way in...
29) Insulin is a water-soluble hormone transported in the blood. Which describes a likely way in which it exerts its actions? A) crosses the membrane of cells and binds to transcription factors B) crosses the membranes of cells and bind to DNA C) binds to G-protein coupled receptor proteins in the plasma membrane and generates second messengers. D) binds to G-protein coupled receptors which bind to DNA E) binds to the plasma membrane and is endocytosed into the cell to...
If a person drinks a large amount of water very quickly, it is possible to exceed...
If a person drinks a large amount of water very quickly, it is
possible to exceed the rate of water removal by the kidney (~1
L/hour), essentially diluting the blood. The resulting osmotic
pressure causes cells to swell. Fat and muscle cells have a
capacity to adjust to this change in volume, but neurons in the
brain do not have room to accommodate this size increase. (The
skull is so densely packed, there is no room for swelling!)
Consequently, as...
If a person drinks a large amount of water very quickly, it is possible to exceed the rate of water removal by the kidne...
If a person drinks a large amount of water very quickly, it is possible to exceed the rate of water removal by the kidney (~1 L/hour), essentially diluting the blood. The resulting osmotic pressure causes cells to swell. Fat and muscle cells have a capacity to adjust to this change in volume, but neurons in the brain do not have room to accommodate this size increase. (The skull is so densely packed, there is no room for swelling!) Consequently, as...
9. Which of these organelles contains an inner membrane folded inward to form cristae? a. nucleus...
9. Which of these organelles contains an inner membrane folded inward to form cristae? a. nucleus b. chloroplast c. rough ER d. mitochondrion e. smooth ER 10. Which reaction requires an enzyme? a. ATP -ADP Pi ADP +Pi >ATP C. Sucrose->glucose+fructose d. glyceraldehyde 3-phosphate (G3P)> 1,3-diphosphoglyceric acid e. all of these 11. What would happen to human red blood cells placed in a solution of sucrose that is hypertonic to their cytoplasm? a. b. C. d. e. They would take...
The partial pressure of oxygen in the lung alveoli is a bit lower than in ambient...
The partial pressure of oxygen in the lung alveoli is a bit lower than in ambient air, being about 100 mm of mercury, or 0.13 Atm (it is lower than the partial pressure in air mainly because oxygen is continually taken up by the alveolar capillaries and carbon dioxide is continually released into the alveoli). In cell-free blood plasma (or a saline solution formulated to match key characteristics of blood plasma), which lacks red blood cells and therefore lacks hemoglobin,...
Which expenses would most likely be classified as prepaid expenses (asset) rather than accrued expenses (liability)?...
Which expenses would most likely be classified as prepaid expenses (asset) rather than accrued expenses (liability)? Wages Rent Insurance Premiums Utilities (power, water, etc.) (Check all that apply)
21. The ______ prevents plants cells from bursting when place in a ____ solution. a) centrioles-hypotonic...
21. The ______ prevents plants cells from bursting when place in a ____ solution. a) centrioles-hypotonic b) chloroplasts-hypertonic c) plasma membrane-hypertonic d) vacuole-hypertonic e) cell wall-hypotonic 22. Specialized cells like your own lung cells each lack which of the following organelles which are commonly found in an onion. a) cell membrane b)cell wall c)ribosomes d)nucleolus e) none of the above ______ 23. White blood cells engulf and destroy foreign particles by a process known as phagocytosis which is actually a)...
Is
this correct so far ? Furthemore, i need help on the blank ones
Name Section LABORATORY 5 REVIEW QUESTIONS Time 1. Define the following terms: a hypotonie - having lower osmotic pressure in Solution b. isotonic - nouing same osmonic pressure in Solution c. hypertonic - having higher osmon1C Pressure than a particular fluid 2 The diagram below shows three beakers labeled A, B and C which contain water, 1% sucrose and 10% sucrose, respectively. Label cach beaker with...
10. Biological systems are A) Open; B) Closed; C) Isolated; D) At equilibrium; E) Eternal. e AGo (in kl/mol) for the reaction: A + BC. D at 25 oC, when the equilibrium concentrations are [A] 5 HM, [B) 3 HM, [C] -15 uM, [D] 10 uM (R81 A) +5.7 k]/mol; B) 5.7 k]/mol: c) +2.3 k]/mol: D) 2.3 k]/mol: E) 0.1 k]/mol. 12. Which of the following is true? A) Hydrogen bonding is a major factor in the structure of...
If a person drinks a large amount of water very quickly, it is
possible to exceed the rate of water removal by the kidney (~1
L/hour), essentially diluting the blood. The resulting osmotic
pressure causes cells to swell. Fat and muscle cells have a
capacity to adjust to this change in volume, but neurons in the
brain do not have room to accommodate this size increase. (The
skull is so densely packed, there is no room for swelling!)
Consequently, as...
9. Which of these organelles contains an inner membrane folded inward to form cristae? a. nucleus b. chloroplast c. rough ER d. mitochondrion e. smooth ER 10. Which reaction requires an enzyme? a. ATP -ADP Pi ADP +Pi >ATP C. Sucrose->glucose+fructose d. glyceraldehyde 3-phosphate (G3P)> 1,3-diphosphoglyceric acid e. all of these 11. What would happen to human red blood cells placed in a solution of sucrose that is hypertonic to their cytoplasm? a. b. C. d. e. They would take...
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