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a) in a typical growing cell that is dividing once every 24 hours, the equivalent of one new plasma membrane must transit the ER every day. If the ER membrane is 40 times the area of plasma membrane, what is the ratio of plasma membrane proteins to other proteins in the ER? Assume that all proteins on their way to other compartments remain in the ER for 30 minutes on average before exiting, and that the ratio of proteins to lipids in the membranes of all compartments is the same.
b) if, in the same cell, the Golgi membrane is 8 times the area of the plasma membrane, what is the ratio of Golgi membrane proteins to other proteins in the ER?
c) If the membranes of all other compartments (lysosomes, endosomes, inner nuclear membrane, and secretory vesicles) that receive membrane proteins from the ER in total are 3 times the area of the plasma membrane, what fraction of the membrane proteins in the ER of this cell are permanent residents of the ER membrane?
When observing a wet mount of a living organism, you see the organism moving towards the upper left corner through the ocluar.
If the three enzymes of the pyruvate dehydrogenase complex existed as three separate proteins rather than a complex, would this slow the rate of reactions catalyzed by these enzymes?
The cuckolded only benefits at the expense of cuckolded perhaps benefits are washed away by loss of paternity in his own nest.
What is the use of having restriction enzyme sites at the 5' beginning of the luciferase gene and a set of restriction enzyme cut sites at the 3' end of the luciferase gene.
you are shopping in the stores for this fancy perfume your mom likes and have found it for $125.00 per 1 liter bottle. not impressed with the price, you turned to the internet and found a price at 12 cents (0.12) per milliliter for a 1 liter bottl..
A forty-two year old woman decides to lose weight on a diet prescribed by an anorexic friend. She loses about thirty pounds in 45 days, but her serum potassium level falls to 2.1 mmol/L.
Determine the probability that two grandchildren of the woman who are first cousins to one another will each inherit the dominant allele?
Required a list of equipment nessessary to complete it as well as a method to isolate the cell parts, how much protein is in the red blood cell as well as the amount of DNA in the cell.
What plant hormone is responsible for the chlorophyll breakdown and color change in the leaves?
Determine which mode of inheritance produces heterozygotes with phenotypes that differ from homozygote but more closely resembles one homozygous phenotype than other?
The muscles that form the rotator cuff include the: biceps brachii and deltoid, subclavius, deltoid, and pectoralis minor.
A molecular level description means that you must explain the structure of water and how that structure leads to the observation made- in this case that water beads on waxes.
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