Figure legend: Acetaldehyde levels are much higher in red populations, compared to blue populations. Blood acetaldehyde levels were recorded before and after drinking 0.6 g ethanol/kg body weight. (figure adapted from Yokoyama et al., 2008). Acetaldehyde levels over 50 μM are considered toxic (dashed line). In less than 100 words totali) describe the physiological reaction of the red population to alcohol consumption, which is usually not seen with the blue population, andii) explain in the language of this unit how the enzymatic properties of aldehyde dehydrogenase relate to this physiological reaction. 100Concentration (M)806040200BeforedrinkingBlood Acetaldehyde0 30 60 90 120 150 180Time after the completion of drinking (min)

Alcohol metabolism primarily takes place in liver with the help of two main enzymes, alcohol…

Answered: Figure legend: Acetaldehyde levels are…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Figure legend: Acetaldehyde levels are much higher in red populations, compared to blue populations. Blood acetaldehyde levels were recorded before and after drinking 0.6 g ethanol/kg body weight. (figure adapted from Yokoyama et al., 2008). Acetaldehyde levels over 50 μM are considered toxic (dashed line).

In less than 100 words total

i) describe the physiological reaction of the red population to alcohol consumption, which is usually not seen with the blue population, and

ii) explain in the language of this unit how the enzymatic properties of aldehyde dehydrogenase relate to this physiological reaction.

100
Concentration (M)
80
60
40
20
0
Before
drinking
Blood Acetaldehyde
0 30 60 90 120 150 180
Time after the completion of drinking (min)

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

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