<h3>The blood in the pulmonary artery is going to the heart to collect oxygen, and therefore has a low content of oxygen. So, the blood in the pulmonary artery is a violet colour because it has low oxygen. The blood in the pulmonary vein is oxygen rich, and so it gives a scarlet</h3>

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3 years ago

Why is it critical to use aseptic technique when transferring the antibiotic disks to the agar?

NISA [10]

It is critical to <span>use aseptic technique when transferring the antibiotic disks to the agar in order to have a clean results. meaning, no other mircoorganisms will grow in the agar that will make the experiment a failure. by using aseptic technique, the other microorganisms will not be present </span>

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3 years ago