Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134312729
Author: Johnson
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 2TY
Which of the following is always at the same concentration inside and outside the cell?
a. potassium ions
b. water
c. hydrogen ions
d. glucose
e. sodium ions
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Which of the following is always at the same concentration inside and outside the cell? a. potassium ions b. water c. hydrogen ions d. glucose e. sodium ions
The diffusion of substances within a solution tends to move those substances ________ their ________ gradient.
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b) up; electrochemical
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If the fluid inside a cell has a 1.5% solute concentration, which of the following solution(s) would be considered HYPOTONIC? SELECT ALL THAT APPY
A. A solution with 3.4% calcium phosphate concentration
B. A solution with 1.4% glucose concentration
C. A solution with 2.5% potassium chloride concentration
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Chapter 3 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 3 -
1. What is your opinion on this controversy? What...Ch. 3 - Suppose that you held frozen embryos at a private...Ch. 3 - Prob. 1CRCh. 3 - Prob. 2CRCh. 3 - Describe how phospholipids are oriented in the...Ch. 3 - Define passive transport and name the three...Ch. 3 - Compare and contrast endocytosis and exocytosis.Ch. 3 - Describe the activity of the sodium-potassium pump...Ch. 3 - Prob. 7CRCh. 3 - Prob. 8CR
Ch. 3 -
9. What are the four stages of ATP production...Ch. 3 -
10. Describe what happens to a cell’s ability to...Ch. 3 -
1. Which of the following adaptations would...Ch. 3 - Which of the following is always at the same...Ch. 3 - Prob. 3TYCh. 3 - Red blood cells placed in distilled water will: a....Ch. 3 - Which organelles are most active during vigorous...Ch. 3 - Phagocytic white blood cells engulf and digest...Ch. 3 - Prob. 7TYCh. 3 -
8. Which organelles would be active in liver...Ch. 3 - Prob. 9TYCh. 3 -
10. Which of the following is/are the most...Ch. 3 - Prob. 11TYCh. 3 - Prob. 12TYCh. 3 -
13. In which stage of cell respiration does...Ch. 3 - Which of the following is/are recycled during...Ch. 3 - Most of the ATP produced during cell respiration...Ch. 3 - Imagine that you are shown two cells under the...Ch. 3 - The sodium-potassium pump is a large protein...Ch. 3 - Mitochondria resemble a bacterial cell in a number...Ch. 3 - Prob. 4AWKCh. 3 - Recently, a young man from Derby in the United...Ch. 3 - You have been selected to serve on a jury for a...Ch. 3 - Although normal physiological processes produce...
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- When a cell is placed in a hypotonic solution,a. solute exits the cell to equalize the concentration on both sidesof the membrane.b. water exits the cell toward the area of lower solute concentration.c. water enters the cell toward the area of higher solute concentration.d. solute exits and water enters the cell.arrow_forwardwhich of the following statements is correct about the movement of water across a plasma membrane a. it cannot pass through any ion channels b. it moves through the membrane via mediated transport c. even though it a polar molecule, it moves readily through the nonpolar lipid bilayer d. artificial lipid membranes are impermeable to waterarrow_forwardWhich of the following best describes a hypotonic solution? a-There is a higher concentration of solute outside the cell than inside the cell b-There is a lower concentration of solute outside the cell than inside the cell c-The solute concentration both inside and outside the cell is equal d-Through osmosis, water will enter the cell causing it to swellarrow_forward
- Which of the following statements is TRUE? A. Water and electrolytes move across the cell membranes only through protein channels B. Water and electrolytes cannot move across cell membranes C. Water freely moves across cell membranes D. Electrolytes freely move across cell membranesarrow_forwardWhich of the following can enter the cell by diffusion through the plasma membrane? A. salts B. glucose C. phospholipids D. carbon dioxidearrow_forwardWhich of the following will likely result if the concentration of electrolytes outside the cell is higher than in the intracellular environment? A. The cell will be unaffected B. The cell will burst C. The cell will shrink and dry up D. The cell will undergo mitosis and dividearrow_forward
- When a cell is placed in a hypotonic solution,a. solute exits the cell to equalize the concentration on both sides ofthe membrane.b. water exits the cell toward the area of lower solute concentration.c. water enters the cell toward the area of higher soluteconcentration.d. there is no net movement of water or solute.arrow_forwardContrast the relative concentrations of sodium and potassium ions inside and outside of a cell.arrow_forwardWhat will happen if a cell with a solute potential of -0.4 MPa and a pressure potential of 0.2 MPa is placed in a chamber filled with pure water that is pressurized with 0.5 MPa? a. Water will flow out of the cell. b. Water will flow into the cell. c. The cell will be crushed. d. The cell will explodearrow_forward
- Glucose is often present in very low concentrations in environments populated by microorganisms. To import the maximum amount of available glucose, cells use a. Receptor-mediated endocytosis b. Simple diffusion c. Osmosis d. Facilitated diffusionarrow_forwardWhich of the following proteins would not be produced in the Rough Endoplasmic Reticulum? A) insulin B) extracellular matrix proteins C) antibodies D) cytoplasmic proteins E) plasma membrane proteinsarrow_forwardWhich of the following molecules can pass freely through the interior of the cell membrane? a. carbohydrates b. lipids c. amino acids d. DNAarrow_forward
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