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Water will enter the sac and it will swell

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Q: What will happen when a membrane sac filled with large molecules of oil is suspended in a beaker of water?
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What will happen if a membrane sac filled with large molecules of oil is suspended in a beaker of water?

If a membrane-bound sac filled with large molecules of oil is suspended in a beaker of water, water will start to enter the sac. The sac will then swell.


What happens when a membrane sac filled with large molecules of oil is suspended in a beaker of water?

Water will enter the sac and it will swell


A potato cube is placed in a beaker filled with hot salt water and another potato cube is placed in a beaker filled with cold salt water?

A patato cube is placed in a beaker filled with hot salt water and another patato cube is placed in a beaker filled with cold salt water?


How do small molecules pass through the cell membrane?

There are three types of transport for molecules across the cell membrane. 1 - Diffusion - Molecules move from an area of high concentration to an area of low concentration 2 - Osmosis - same idea as diffusion, but refers to the movement of WATER across a selectively permeable membrane. How can you change water concentration? Add a solute. If you have 2 250 ml beakers, connected and divided by a selectively permeable membrane, and one beaker contains a salt solution, the salt solution is "hypotonic" (hypo- less, tonic - water) to the water filled beaker. One will see a migration of water into the salt solution beaker. BOTH diffusion and osmosis rely on concentration gradients to perform their jobs. They always want "equilibrium" between both sides of the membrane. 3 - Active transport - Proteins embedded in the cell membrane move large molecules through the cell membrane or AGAINST the concentration gradient. The size one is obvious; If it's really big, it won't permeate the membrane. As for the concentration gradient, this means that it moves a molecule INTO the area with and already HIGHER concentration. If this happens with say... H+ molecules, it creates a potential difference - ie - Voltage across the membrane. Cellular respiration counts on this process to create ATP/Energy for the cell.


What is the function of porins?

Porins are proteins that are located in the outer membrane a bacteria. They function to form a water-filled pore through the membrane. The porin channel allows the diffusion of small hydrophilic (water-loving) molecules through to the periplasm.


This instrument is often filled with mercury colored water or alcohol?

Beaker


What allows certain substances to pass into and out of the nucleus of the cell?

Nuclear membrane


How can you tell if glucose starch water and iodine passes through the cell membrane?

place starch solution inside the partially permeable membrane and than partially submerge it a beaker filled with distilled water. after some time, take the tubing out and test the water inside the beaker for starch by adding iodine solution. if the tubing is permeable to starch, the starch would have diffused into the water in the beaker and test positive for starch and turn dark blue. if not, then the water in the beaker would test negative for starch and remain a yellowish brown solution.


Will an electrical circuit with a battery be completed by two copper electrodes in an empty beaker when the beaker is filled with distilled water?

No, distiled water will not conduct electricity.


What is the volume of a beaker?

I have seen beakers with filled capacities from 25 mL to 5 liters.


This is a fluid-filled membrane-surrounded cavity located inside a cell?

The vacuole is a fluid-filled membrane-surrounded cavity located inside a cell


Wastes stored in vacuole are sent to plasma membrane?

A vacuole is a membrane-enclosed fluid filled sac found in the cells of ... enzymes in vacuoles break down large molecules sent there for disposal. ... the plant; to cell elongation and to the processing and storage of waste products.