Biology
Biology, 30.06.2019 13:00, taylordalton93

This is found in cell membranes and protect the cell or organelles by allowing/not allowing molecules to enter.

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Biology, 09.07.2019 23:30, daydallas01
This is found in cell membranes and protect the cell or organelles by allowing/not allowing molecules to enter. what is it?
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Biology, 11.07.2019 11:30, grace9874
Me with my biology hw- 1.) the basic unit from which cell membranes are constructed is a- cell walls b-free moving proteins c- phospholipid layer 2.) four glucose molecules are found in a cell and ten are found outside the cell. at equilibrium, how many glucose molecules would be found in a cell, assuming the glucose molecules can cross the cell membrane? a- 4 b- 7 c- 10 3.) the movement of water in or out of a cell is called: a- diffusion b- osmosis c- facilitated diffusion 4.) if a red blood cell is placed in pure, fresh water, the cell will: a- stay the same b- burst c- become darker 5.) which of the following would occur if a cell with 1% dissolved salt solutes is placed in a 10% salt solution? a- the cell would swell b- water would leave the cell c- the cell would burst
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Biology, 03.08.2019 06:00, quaseabrough1
Organisms must be able to adapt to a changing external and internal environment. an organism's ability to maintain a stable internal environment is known as homeostasis. how does a cell's membrane an organism maintain homeostasis? a. cell membranes control the substances that enter or leave cells. b. cell membranes use a large portion of the cell's energy supply.c. cell membranes protect the cell organelles from large doses of radiation.d. cell membranes directly control the temperature of the cell.the answer is a.
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Biology, 01.11.2019 22:31, tylorwsimmons
All of the following are functions of a cell membrane except surrounding and protecting the contents of the cell. releasing waste products from the cell. producing energy for cell processes. allowing gases to enter the cell.
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