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Osmosis and Diffusion Solutions Library

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24 solutions

Osmosis and Diffusion

Q. A cell whose cytoplasm has a concentration of 0.02 molar glucose is placed in a test tube of water containing 0.02 molar glucose. Assuming that glu...

Solved • Aug 13, 2018

Osmosis and Diffusion

Q. Intravenous (IV) solutions administered to patients ae normally isotonic. Which of the following is most likely if an IV ofdistilled water is admin...

Solved • Aug 6, 2018

Osmosis and Diffusion

Q. Which of the following is LEAST likely to play a role in the likelihood that a molecule will diffuse across the phospholipid bilayer of a cell's pl...

Solved • Aug 6, 2018

Osmosis and Diffusion

Q. If more sugar were added to the solution on the elft side of the tube, what would happen to the water level on the right side of the tube?A. The wa...

Solved • Jul 24, 2018

Osmosis and Diffusion

Q. In the lab, you use a special balloon that is permeable to water but not sucrose to make an "artificial cell." The balloon is filled with a solutio...

Solved • Jul 12, 2018

Osmosis and Diffusion

Q. What molecules are permeable to cell membrane? What molecule are impermeable to cell membrane? How do they cross plasma membrane?

Solved • Jul 6, 2018

Osmosis and Diffusion

Q. Suppose you dropped a potato strip into a solution. What could you have measured before and after to determine if osmosis occurred? Check all that ...

Solved • Jul 3, 2018

Osmosis and Diffusion

Q. The solute concentration in blood is equivalent to 0.9% NaCl.Several drops of blood were added to three different solutions: 0.09% NaCl, 0.9% NaCl,...

Solved • Jul 2, 2018

Osmosis and Diffusion

Q. Describe the following types of transport processes in cells: simple diffusion, facilitated diffusion, active transport, pinocytosis, receptor-medi...

Solved • Jun 8, 2018

Osmosis and Diffusion

Q. If you were to do a 50% serial dilution, starting with a 10% concentration, how many dilutions would you have to make before getting 2.5% as your f...

Solved • Jun 7, 2018

Osmosis and Diffusion

Q. Celery stalks that are immersed in fresh water for several hours become stiff and hard. Similar stalks left in a salt solution become limp and soft...

Solved • Jun 1, 2018

Osmosis and Diffusion

Q. List two properties that influence the rate of diffusion of a particle.

Solved • May 21, 2018

Osmosis and Diffusion

Q. Plants and animals that live in estuaries face a dilemma in maintaining water balance inside their cells. During high tide they are in salt water, ...

Solved • Aug 2, 2017

Osmosis and Diffusion

Q. If a cell has a 95% concentration of water in its cytoplasm and the environment surrounding the cell has a 90% concentration of water:  a. Water w...

Solved • Aug 2, 2017

Osmosis and Diffusion

Q. If the environment surrounding a cell has a lower concentration of solute than the cell:  a. The environment is isotonic to the cell b. The envir...

Solved • Aug 2, 2017

Osmosis and Diffusion

Q. The diffusion of water across a selectively permeable (biological) membrane is:  a. Facilitated diffusion b. Active transport c. A rare occurren...

Solved • Aug 2, 2017

Osmosis and Diffusion

Q. Simple diffusion:  a. Requires energy b. Utilizes proteins to move molecules across a membrane c. Moves molecules against a concentration gradie...

Solved • Aug 2, 2017

Osmosis and Diffusion

Q. Osmosis can only occur if water travels through thea. cell wallb. semi-permeable membranec. vacuoled. ERe. cytoskeleton

Solved • Jul 18, 2017

Osmosis and Diffusion

Q. If two solutions have unequal concentrations of a solute, the solution with the lower concentration is calleda. isotonicb. hypertonicc. hypotonicd....

Solved • Jul 18, 2017

Osmosis and Diffusion

Q. The movement of substances to regions of lower concentration is calleda. active transportb. diffusionc. osmosisd. pumpinge. exocytosis

Solved • Jul 18, 2017

Osmosis and Diffusion

Q. If a cell has the same concentration of dissolved molecules as of its outside environment, the cell’s condition is called as beinga. isotonicb. hyp...

Solved • Jul 18, 2017

Osmosis and Diffusion

Q. Water passes quickly through cell membranes because: a. the bilayer is hydrophilic. b. it moves through hydrophobic channels. c. water movement ...

Solved • Jul 14, 2017

Osmosis and Diffusion

Q. Protons are unable to cross the lipid bilayer because: a. the lipid bilayer is too hydrophilic b. protons are nonpolar c. protons are too small ...

Solved • Jul 14, 2017

Osmosis and Diffusion

Q. If O2 is found in high concentration on the outside of a cell: a. energy will be expended to pump it inside the cell. b. it will passively diffus...

Solved • Jul 14, 2017