FUND.OF GEN CHEM CHAP 1-13 W/ACCESS
16th Edition
ISBN: 9781323406038
Author: McMurry
Publisher: PEARSON C
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Question
Chapter 25.6, Problem 25.5CIAP
Interpretation Introduction
Interpretation:
The medical conditions that might arise if diet was found to be low in methionine has to be identified.
Concept introduction:
Amino acids are nutritionally classified into three groups,
- Nonessential amino acids
- Conditional amino acids
- Essential amino acids.
Essential amino acids are those in which our body cannot produce them through the biochemical machinery we possess therefore it must be consumed through the food we eat.
- Methionine is a primary source of sulfur.
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At a pH equal to the isoelectric point (pl) of alanine, the net charge of alanine is zero. Two structures can be drawn that have a
net charge of zero, but the predominant form of alanine at its pl is zwitterionic.
CH3
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CH3
**
H¸N-C
H
Zwitterionic
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pk of alanine's amino group is more than its pl.
pk of alanine's carboxyl group is more than its pl.
PK of alanine's carboxyl group is less than its pl.
pk of alanine's amino group is less than its pl.
Correct Answer
What fraction of alanine is in the completely uncharged form at its pl?
1 in 2.2 × 107
1 in 1.6 × 10²
1 in 4680
1 in 9460
How does a voltage-gated sodium channel work? Specifically, how and why does a change in voltage trigger their opening? Please be detailed
When sodium ions enter a neuron during depolarization, they trigger the opening of additional voltage-gated sodium channels nearby, creating a positive feedback loop where the influx of sodium ions further depolarizes the membrane, causing even more sodium channels to open and allowing more sodium ions to enter the cell, thus sustaining the depolarization process until the action potential peaks. But how and why exactly does the influx of sodium ions trigger more sodium channels to let in more sodium? Please explain
Chapter 25 Solutions
FUND.OF GEN CHEM CHAP 1-13 W/ACCESS
Ch. 25.2 - Prob. 25.1PCh. 25.2 - Prob. 25.2KCPCh. 25.3 - Prob. 25.3PCh. 25.3 - Prob. 25.4PCh. 25.3 - Prob. 25.5PCh. 25.3 - Prob. 25.6PCh. 25.4 - Prob. 25.1CIAPCh. 25.4 - Prob. 25.2CIAPCh. 25.4 - Prob. 25.3CIAPCh. 25.4 - Prob. 25.7P
Ch. 25.4 - Prob. 25.8KCPCh. 25.6 - Prob. 25.9PCh. 25.6 - Prob. 25.10KCPCh. 25.6 - What is meant by a conditional amino acid?Ch. 25.6 - Prob. 25.5CIAPCh. 25.6 - Prob. 25.6CIAPCh. 25 - In the diagram shown here, fill in the sources for...Ch. 25 - Prob. 25.12UKCCh. 25 - Prob. 25.13UKCCh. 25 - Prob. 25.14UKCCh. 25 - Prob. 25.15UKCCh. 25 - Prob. 25.16UKCCh. 25 - Prob. 25.17APCh. 25 - Prob. 25.18APCh. 25 - Prob. 25.19APCh. 25 - Prob. 25.20APCh. 25 - Prob. 25.21APCh. 25 - Prob. 25.22APCh. 25 - What is the structure of the -keto acid formed...Ch. 25 - Prob. 25.24APCh. 25 - In general, how does oxidative deamination differ...Ch. 25 - Prob. 25.26APCh. 25 - Prob. 25.27APCh. 25 - Prob. 25.28APCh. 25 - Prob. 25.29APCh. 25 - Prob. 25.30APCh. 25 - Prob. 25.31APCh. 25 - Prob. 25.32APCh. 25 - Prob. 25.33APCh. 25 - Prob. 25.34APCh. 25 - How do essential and nonessential amino acids...Ch. 25 - Prob. 25.36APCh. 25 - Prob. 25.37APCh. 25 - How is tyrosine biosynthesized in the body? What...Ch. 25 - Prob. 25.39APCh. 25 - Prob. 25.40APCh. 25 - Prob. 25.41APCh. 25 - What energy source is used in the formation of...Ch. 25 - Write the equation for the transamination reaction...Ch. 25 - Prob. 25.44CPCh. 25 - Prob. 25.45CPCh. 25 - Prob. 25.46CPCh. 25 - Prob. 25.47CPCh. 25 - Prob. 25.48CPCh. 25 - Prob. 25.49CPCh. 25 - Prob. 25.50CPCh. 25 - Prob. 25.51CPCh. 25 - Prob. 25.52CPCh. 25 - Why might it be a bad idea to take large...Ch. 25 - Prob. 25.54GPCh. 25 - Prob. 25.55GPCh. 25 - Prob. 25.56GP
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