Answer:
D. Biome
Explanation:
The most comprehensive ecological unit of the biosphere is the biomes. Biomes are the largest ecological unit of life.
In healthcare amenities like in nursing homes and hospitals, MRSA (methicillin-resistant Staphylococcus aureus) infection is one of the most common concern. These infections generally involve the skin, and the individuals who are healthy can also get infected with the condition.
In order to prevent MRSA infection, doctors, nurses, and other healthcare workers need to follow certain steps. These are as follows:
1. Carefully clean the hospital rooms and medical apparatuses.
2. Clean their hands with soap and water, or with an alcohol-based hand sanitizer prior and post caring for a patient.
3. Test some patients to observe if they exhibit MRSA on their skin. This is done by swabbing a cotton tip in the nostril or on the skin of the patient.
4. Use contact precautions, while caring for the patients with MRSA.
Answer:
DNA
Explanation:
DNA is composed of two complementary strands oriented antiparallel to each other with the phosphodiester backbones on the exterior of the molecule. The nitrogenous bases of each strand face each other and complementary bases hydrogen bond to each other, stabilizing the double helix.
