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3 years ago

How does the structure of the cell membrane support its function?

Biology

1 answer:

mylen [45]3 years ago

7 0

Answer:

Phospholipids form the basic structure of a cell membrane, called the lipid bilayer. Scattered in the lipid bilayer are cholesterol molecules, which help to keep the membrane fluid consistent. Membrane proteins are important for transporting substances across the cell membrane

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Salsk061 [2.6K]

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3 years ago

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olganol [36]

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g Indium has two naturally occurring isotopes: 113In with an atomic weight of 112.904 amu, and 115In with an atomic weight of 11

aleksandrvk [35]

Answer:

Fraction-of-occurrences of 115In isotope $= 0.957$

Explanation:

As we know weight of 113 In isotope is equal to the sum of product of fraction-of-occurrences of two constituents isotopes and their atomic weight

$^{115}In_w = f_{113}*A_{113} + f_{115}*A_{115}$ ------(1)

As we know sum of fraction-of-occurrences of two constituents isotopes is equal to one.

$f_{113} + f_{115} = 1\\f_{113} = 1- f_{115}$ ---------(2)

Substituting the given values in equation 1, we get

$^{115}In_w = f_{113}*A_{113} + f_{115}*A_{115}\\114.818 = (1 - f_{115}) * 112.904 + f_{115} * 114.904\\f_{115} = 0.957$

Substituting this value in equation 2 we get -

$f_{113} = 1- f_{115}\\f_{113} = 1- 0.957 \\f_{113} = 0.043$

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4 years ago

Where would you find hemoglobin that is about 65% saturated with o2 in a healthy resting person?

liberstina [14]

The hemoglobin that is about 65% saturated with o2 in a healthy resting person Systemic veins & pulmonary arteries.

<h3>Define Hemoglobin?</h3>

Hemoglobin is a protein in red blood cells that takes oxygen to body's organs and tissues and elates carbon dioxide from organs and tissues back to your lungs.

Thus, Systemic veins & pulmonary arteries are correct.

To learn more about hemoglobin click here:

brainly.com/question/15011428

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2 years ago

Why have plants evolved ways to prevent self-fertilization? Why do you cross-fertilization (plant to plant) more beneficial to t

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It might be because making it a hybrid could help get nutrition and other things it needs. I don't know exactly though

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3 years ago