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In 2017, it was discovered that naked mole rats (Heterocephalus glaber) could survive up to 18...
In 2017, it was discovered that naked mole rats (Heterocephalus glaber) could survive up to 18 minutes in an anoxic (0% oxygen) environment without any permanent damage to the organism. The normal body temperature of naked mole rats is 30°C, making them poikilothermic animals that are able to operate at a range of body temperatures and to alter its body temperature based upon the environment. Even if the animals are warmed to 37°C, they still survive 6 minutes in an anoxic environment, which is still more than 5 minutes longer than the survival of other rodents like mice. You are already familiar with the H. glaber hemoglobin, but as usual, this does not fully explain the naked mole rat ability to survive anoxia.
Blood glucose concentrations during anoxia were found to be
similar in mice and mole rats, but during normoxic (normal oxygen
levels) conditions, naked mole rate had a blood glucose
concentration of 3.49mM while mice had 6.66mM, making them appear
hypoglycemic compared to other rodents and mammals.
Explain why elevated citrate levels are surprising, why lactate
elevation is not, and why these elevated levels of citrate do not
inhibit lactate production in the naked mole rat during anoxia.
Solutions
Amanda K answered 2 years agoRelated Solutions
Naked mole rats were recently discovered to be able to survive 18 minutes of an anoxic...
Naked mole rats were recently discovered to be able to survive
18 minutes of an anoxic (0% oxygen) environment without any
difficulty. In 1976, the naked mole rat hemoglobin was studied and
compared to that of mice and found to have higher oxygen affinity.
The data below are representative of this study.
Table 1: Whole blood from each organism was assayed at pH 7.4
for oxygen affinity at two different temperatures. The
P50 is reported at each condition in the...
Are You At Risk For Dehydration? Without food you could likely survive for days if not...
Are You At Risk For Dehydration?
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Are
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Neurons could not survive without glial cells. Explain this statement with three specific examples of glial...
Neurons could not survive without glial cells. Explain this
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January 15, 2017 January 16, 2017 January 17, 2017 January 18, 2017 January 19, 2017 January...
January 15, 2017
January 16, 2017
January 17, 2017
January 18, 2017
January 19, 2017
January 20, 2017
January 21, 2017
Person 1
32
56
92
76
72
32
72
Person 2
40
0
20
4
20
0
0
Person 3
30
5
10
15
15
20
25
Person 4
47
35
71
13
17
29
42
Person 5
10
15
15
15
15
15
25
Person 6
0
0
0
10
5
5
0
Person 7
0
12
2...
During the course of the 2017 audit of Smithson Company, the auditor discovered the following situations...
During the course of the 2017 audit of Smithson Company, the
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A university research group discovered a new class of compounds (unique structures) that could be useful...
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how could you utilize a reporter gene to determine if a newly discovered regulatory gene is...
how could you utilize a reporter gene to determine if a newly
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Scientist were testing how fast (seconds) 2 types of rats could race 5 m down one...
Scientist were testing how fast (seconds) 2 types of rats could
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Course times (seconds) for Rat A:
6.43 6.99 6.43...
ΔE= 2.18×10−18 J What is the change in energy, ΔE, in kilojoules per mole of hydrogen...
ΔE= 2.18×10−18 J What is the change in energy, ΔE, in kilojoules
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n=2?
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