Positive feedback is usually harmful to the body, or even life-threatening, but there are a few cases where it is beneficial and necessary. Identify such a case in neuron electrophysiology.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).

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answer; both surfaces of the membrane are nonpermeable