Are ribosomes semi permeable

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

answer: "circumcision is a common procedure in which the skin covering the tip of the penis is surgically removed."

answer; i believe that the correct answer is (lung);

the answer is c because it is most logical.