Which of the following statements is true? a. viruses are much bigger than bacteria b. viruses are cells with either rna or dna c. viruses are bundles of genetic material enclosed in a capsid d. both viruses and bacteria are living organisms

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.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this