JEE MAIN - Chemistry (2019 - 12th January Evening Slot - No. 3)
The correct statement (s) among I to III with respect to potassium ions that are abundant within the cell fluid
is /are
I. They activate many enzymes
II. They participate in the oxidation of glucose to produce ATP
III. Along with sodium ions they are responsible for the transmission of nerve signals
I. They activate many enzymes
II. They participate in the oxidation of glucose to produce ATP
III. Along with sodium ions they are responsible for the transmission of nerve signals
III only
I and II only
I and III only
I, II and III only
Explanation
All the statements are correct. K+ being metallic unipositive ions work as enzyme activators. These also participate in many reactions of glycolysis and Kreb’s cycle to produce ATP from glucose.
Being unipositive these are also equally responsible for nerve signal transmission along with Na+.
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