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ohaa [14]
2 years ago
5

Forensic scientists can match missing persons and their families by matching maternal DNA to the missing individual. Which type

of DNA technology is used for this purpose? Y-chromosome analysis mtDNA (mitochondrial DNA) analysis PCR (polymerase chain reaction) analysis STRs (short tandem repeats)
Biology
2 answers:
Natalija [7]2 years ago
6 0

the answer is B. on ed2020

IRINA_888 [86]2 years ago
6 0

Forensic scientists can match missing persons and their families by matching maternal DNA to the missing individual by using mtDNA (mitochondrial DNA) analysis.

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Answer:

The correct answer is - per gram, the marathon runner's muscles would contain more myoglobin than the sprinter's muscles.

Explanation:

Marathon runners have smaller leg muscles and thinner quads and calves as marathon runners require slow-twitch muscles while in sprinters the fast-twitch muscle requires. Slow-twitch muscles of marathon runners have more amount of myoglobin, per gram than fast-twitch muscles.

Myoglobin acts as local oxygen storage that provides oxygen to the muscles in case of less oxygen supply than required temporarily and a marathon race is an intense exercise or activity that requires more oxygen.

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Answer:

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In the given scenario, Sarah want to know best brand of nail polishes which lasts longest without chipping. Thus the different brands of nail polish used by her is considered as independent variable.

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3 years ago
Why are channels through membranes so important for nerve and muscle function? both nerves and muscles rely on the rapid transmi
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