A portal of entry<span> is the site through which micro-organisms enter the susceptible host and cause disease/infection. Infectious agents enter the body through various </span>portals<span>, including the mucous membranes, the skin, the respiratory and the gastrointestinal tracts.</span>
Its B cuz the definition is <span>one of two or more alternative forms of a gene.
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Its D) UGCUGC because this sequence is the mrna if it was the dna sequence it'd be B but its definetly D
Answer:
One beneficial result of a cell having a larger surface area is its ability to cover more area increasing the likely hood of nutrients coming in contact with the cell membrane. Which in turn will increase the rate at which nutrients diffuse through the cell membrane.
