Bacteria can be SUSCEPTIBLE or RESISTANT to antibiotics. Susceptible bacteria can't grow if the drug (i.e., the antibiotic) is present.
Susceptibility to antibiotics occurs when bacterial colonies can't grow in presence of the antibiotic (e.g., erythromycin).
Some antibiotic-resistant bacteria include:
- Methicillin-resistant <em>Staphylococcus aureus</em> (it is one of the most common antibiotic-resistant bacteria)
- Vancomycin-resistant <em>Enterococcus</em>
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Answer: It is lethal without an appropriate explanation. The lack of oxygen and high pressures are a huge risk, also the temperature and radiation.
Answer:
The cryosphere is the portion of the Earth's surface where water is in solid form. It thus includes sea ice, lake ice and river-ice, snow cover, glaciers, ice caps and ice sheets, and frozen ground. The snow cover has the largest extent, with a maximum area of more than 45 106 km2 (Table 1.1). Because of the present distribution of continents, land surfaces at high latitudes are much larger in the Northern Hemisphere than in the Southern Hemisphere. As a consequence, the large majority of the snow cover is located in the Northern Hemisphere (Figs. 1.15 and 1.16). The same is true for the freshwater ice that forms on rivers and lakes in winter. Both the snow cover and freshwater ice have a very strong seasonal cycle, as they nearly disappear in summer in both hemispheres (Table 1.1).
Explanation:
Answer:
Energy is gained by consuming food
Energy is lost due to: The whole organism not being eaten (skeleton and fur left behind). Not all the food being digested – some passes out of the animal in excretion or egestion . Energy being lost as heat in respiration and therefore not being passed onto the next level.
Answer:
This is the result of frameshift mutations
Explanation:
Frameshift mutations are genetic mutations that cause nucleotide changes in the frameshift sequence via insertions and deletions, which are collectively named indels
