The cell wall is the outer most covering of the cell. The cell wall
covers the cell membrane. The cell membrane is also known as the plasma
membrane or plasma
lemma. There is no other name for the cell wall. The cell membrane is
present in almost all types of cells. The cell wall is present in
bacteria, fungi, algae and plant cell.
It is absent in an animal cell and protozoa. The cell membrane is a
biological membrane, which is semi- permeable. It allows the passage of
certain substances through them.
A
<u>Individual lipid molecules are free to diffuse laterally in the surface of the bilayer</u> is a general feature of the lipid bilayer in all biological membranes
Explanation:
The inside of the bilipid layer of the cell membrane of cells is made of fatty acid chains and cholesterol which are nonpolar molecules. they are sandwiched between the polar (glycerol) ends of the chains because they are hydrophobic and cannot interact with the ‘watery’ extracellular fluids. Non-polar molecules like lipids can easily diffuse laterally, within this lipid layers of the membrane because non-polar molecules interact well with other nonpolar molecules.
Learn More:
For more on the bilipid layers of cells check out;
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Answer: D. The depth of the water does not affect the level at which a cargo ship floats.
<u>Answer:</u>
<em>B Mass </em>
<em>D Force </em>
<em>E Acceleration</em>
<u>Explanation:</u>
We know that
Force = mass × acceleration
F = m × a
The unit of force is newtons
The unit of mass is kg and
the unit of acceleration is
Force and acceleration are vector quantities and mass is a scalar quantity.
Newton's 2nd law of motion states that acceleration is directly proportional to net force and inversely proportional to mass.
he result is the equation
∑