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True [87]
2 years ago
13

A young man wants to determine if he is a descendant of Henry of Navarre and Eleanor of Aquitaine—two of his favorite historical

characters. He sends a cheek swab to a DTC company and is offered a choice: the company can assess either the sequence of the man's Y chromosome or his mitochondrial DNA. Which should he choose?

Biology
1 answer:
mars1129 [50]2 years ago
5 0

Answer:

He should get his mitochondrial haplotype sequenced, given the genetic variation in mitochondrial sequences compared to Y chromosomes.

Explanation:

  • Mitochondrial DNA haplotypes are  specific regions of mitochondrial DNA that cluster with other mitochondrial sequences to show the phylogenetic origins of maternal lineages.
  • Mitochondrial DNA haplotypes are associated with a range of phenotypes and disease.
  • Mitochondrial DNA contains 37 genes, all of which are essential for normal mitochondrial function.
  • Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation.

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During _____________, molecules like glucose, use a protein channel to enter or leave the cell.
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In a mitochondrion, if the matrix ATP concentration is high, and the intermembrane space proton concentration is too low to gene
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Answer:

ATP synthase will hydrolyze ATP and pump protons into the intermembrane space.

Explanation:

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If the matrix has higher ATP concentration and the proton concentration in intermembrane space is low, ATP synthase would use the energy of hydrolysis of ATP to pump protons from matrix towards intermembrane space. These conditions would not support ATP synthesis.

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