The most abundant intracellular cation is:
Correct answer: B. K+
- A. H+
- B. K+
- C. Na+
- D. Ca2+
Explanation
Potassium is the main intracellular cation, while sodium is predominant in extracellular fluid. This gradient is essential for resting membrane potential.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
Practise Coordination and Control
1,687 free Coordination and Control MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Coordination and Control questions
The human hind brain comprises of three parts, one of which is the:
When a neuron is in the resting state i.e. not conducting any impulse then, the axonal membrane is _.
Alzheimer's disease in humans is associated with the deficiency of:
Which one of the following statements is not correct?
A gymnast balances upside down in darkness because of:
Which receptor detects light touch on skin?