Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Chapter 26, Problem 25P
Interpretation Introduction
Interpretation:
The process of receptor-mediated endocytosis with the help of LDL example should be determined.
Concept introduction:
Cholesterol production starts with the help of Acetyl CoA (substrate as fatty acid synthesis). The steps for the biosynthesis of cholesterol are the formation of isoprene units, squalene formation and the cyclization of squalene.
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Transport. Provided below is an abstracted equation describing an active cell membrane
transport from outside the cell to the cytoplasm, involving a membrane carrier (Cmemb), a
substrate (Sin) (growth factor etc.) to be carried and released (Sout) into the cytoplasm.
a) What kind of feedback mechanism is restricting this process?
b) Construct a Forrester Diagram
Membrane Transport Carrier, C:C, +S.
memb
k₁
k_₁
C memb
memb
+ S
out
Solid Lines. There are two applications in the construction of Forrester diagrams where
solid lines can be used to connect state variables. Please name them:
a)
b)
TPA protein function. Use at least two sentences to describe the function of the TPA protein.
ILLUSTRATIONS. For each of the given proteins:
Draw the final location of the following proteins after being translocated.
•
Label the organelle (as well as the organelle parts/compartments) and the cytosol (if necessary) in order
to clearly depict the protein's location and orientation.
•
Label the amino and carboxyl ends of the protein.
Below your drawing, indicate:
a. the receptor/s
b. the energy source
c. if there is signal peptide cleavage or none
A. Peroxisome: Class I PMP
H₂N-
ITS*
*Internal targeting sequence
-COOH
Chapter 26 Solutions
Biochemistry
Ch. 26 - Prob. 1PCh. 26 - Prob. 2PCh. 26 - Prob. 3PCh. 26 - Prob. 4PCh. 26 - Prob. 5PCh. 26 - Prob. 6PCh. 26 - Prob. 7PCh. 26 - Prob. 8PCh. 26 - Prob. 9PCh. 26 - Prob. 10P
Ch. 26 - Prob. 11PCh. 26 - Prob. 12PCh. 26 - Prob. 13PCh. 26 - Prob. 14PCh. 26 - Prob. 15PCh. 26 - Prob. 16PCh. 26 - Prob. 17PCh. 26 - Prob. 18PCh. 26 - Prob. 19PCh. 26 - Prob. 20PCh. 26 - Prob. 21PCh. 26 - Prob. 22PCh. 26 - Prob. 23PCh. 26 - Prob. 24PCh. 26 - Prob. 25PCh. 26 - Prob. 26PCh. 26 - Prob. 27PCh. 26 - Prob. 28PCh. 26 - Prob. 29PCh. 26 - Prob. 30PCh. 26 - Prob. 31PCh. 26 - Prob. 32PCh. 26 - Prob. 33PCh. 26 - Prob. 34PCh. 26 - Prob. 35PCh. 26 - Prob. 36PCh. 26 - Prob. 37PCh. 26 - Prob. 38PCh. 26 - Prob. 39PCh. 26 - Prob. 40PCh. 26 - Prob. 41PCh. 26 - Prob. 42PCh. 26 - Prob. 43PCh. 26 - Prob. 44PCh. 26 - Prob. 45PCh. 26 - Prob. 46PCh. 26 - Prob. 47P
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