BIOCHEMISTRY-ACHIEVE (1 TERM)
9th Edition
ISBN: 9781319402853
Author: BERG
Publisher: MAC HIGHER
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Chapter 24, Problem 22P
Interpretation Introduction
Interpretation:
Cytoplasmic proteins lack disulfide bonds, but extracellular proteins contain them.
Concept introduction:
Proteins are the
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Please help me with this question. More than one answer may be correct.
Elastin _______.
Options:
A)
has a repeating structure of 3 amino acids such as Gly-Pro-X
B)
crosslinks with numerous other elastin peptides to make an elastic fiber
C)
is physically attached to the smooth endoplasmic reticulum
D)
is physically attached to ribosomes
E)
is rich in hydrophobic residues
Alpha-helix of proteins, its characteristics. Draw a diagram of the arrangement of amino acids in the alpha helix. Examples of proteins formed mainly by this structure.
R
V. Phospholipids are the main structural lipids that
comprise cellular and organellar membranes. One
abundant phospholipid in bacterial cell membranes is
phosphatidylethanolamine (PE), which has a
generic structure shown on the right. Note that R1 R
and R2 are representative alkyl chains of attached
fatty acids, each having about 16 – 20 carbon atoms.
a) The overall net charge in one PE molecule is:
-2 -1 0 +1 +2
CH₂
Phosphatidylethanolamine
(PE)
-CH
H₂C.
b) The glycerophosphate backbone in PE is a:
D-enantiomer
c) The fatty acids are attached to PE via which type of bond? amine
L-enantiomer
racemic
NH3
amide ester ether
d) Draw the commonly used cartoon
representation of one phospholipid molecule.
Label the hydrophilic and hydrophobic parts.
Chapter 24 Solutions
BIOCHEMISTRY-ACHIEVE (1 TERM)
Ch. 24 - Prob. 1PCh. 24 - Prob. 2PCh. 24 - Prob. 3PCh. 24 - Prob. 4PCh. 24 - Prob. 5PCh. 24 - Prob. 6PCh. 24 - Prob. 7PCh. 24 - Prob. 8PCh. 24 - Prob. 9PCh. 24 - Prob. 10P
Ch. 24 - Prob. 11PCh. 24 - Prob. 12PCh. 24 - Prob. 13PCh. 24 - Prob. 14PCh. 24 - Prob. 15PCh. 24 - Prob. 16PCh. 24 - Prob. 17PCh. 24 - Prob. 18PCh. 24 - Prob. 19PCh. 24 - Prob. 20PCh. 24 - Prob. 21PCh. 24 - Prob. 22PCh. 24 - Prob. 23PCh. 24 - Prob. 24PCh. 24 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - Prob. 28PCh. 24 - Prob. 29PCh. 24 - Prob. 30PCh. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Prob. 34PCh. 24 - Prob. 35PCh. 24 - Prob. 36PCh. 24 - Prob. 37PCh. 24 - Prob. 38PCh. 24 - Prob. 39PCh. 24 - Prob. 40P
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