Answer:
More Information
Explanation:
New things are found over time, thus changing knowledge.
Answer:
<em>It is the outermost covering of a cell that separates the contents of the cell from its external environment. </em>
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<em>It only allows the entry and exit of some materials. It also prevents the movement of some. Therefore, it is also called a selectively permeable membrane.</em>
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<em>Some substances like carbon dioxide and oxygen can move across the cell membrane due to the process known as diffusion.</em>
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<em>Water also obeys the laws of diffusion. The movement of water molecules through a selectively permeable membrane is called osmosis.</em>
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<em>Pls mark as brainliest.</em>
Answer:
correct
Explanation:
please mark me as brainlist and be happy
Question: A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. Which of the following molecules can be ruled out as the "mystery molecule?"
a) CO2
b) O2
c) Cl-
d) H2O.
Answer:
c) Cl-
Explanation:
Membranes are the bilayers of phospholipids. The core of the membranes is non-polar and hydrophobic in nature due to the presence of non-polar fatty acid tails of phospholipids. The non-polar core of the membranes does not allow the charged particles such as chloride ions and the other polar and large substances to move through the membrane. The observed molecule could easily cross the artificial membrane. This means that the molecule was not a charged particle such as chloride ions.