Hydrogen ions (H+) Flashcards

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1
Q

What is pH

A

The concentration of H+ in a solution determines the pH

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2
Q

Hydrogen ions are what subatomic particles

A

protons

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3
Q

there is an inverse relationship between the pH value and the hydrogen ion concentration

The more H+ ions present, the ……the pH (the more ………… the solution)

The fewer H+ ions present, the ……….the pH (the more … the solution)

A

lower

acidic

higher

alkaline

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4
Q

The concentration of H+ is therefore very important for what reactions

A

enzyme-controlled reactions, which are all affected by pH

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5
Q

The fluids in the body normally have a pH value of approximately 7.4
The maintenance of this normal pH is essential for

changes in pH has what effect on enzymes

A

many of the metabolic processes that take place within cells
Changes in pH can affect enzyme structure

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6
Q

For example, abnormal levels of hydrogen ions can interact with the side-chains of amino acids and change the ….

A

secondary and tertiary structures of the proteins that make up enzymes

This can cause denaturation of enzymes

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7
Q
A
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