Answer: C
Explanation:
Viruses don't have cell walls that can be attacked by antibiotics; instead they are surrounded by a protective protein coat. Unlike bacteria, which attack your body's cells from the outside, viruses actually move into, live in and make copies of themselves in your body's cells
Answer:After the breakup of Pangaea early in the Mesozoic Era, reptiles were the dominant form of land animal. ... Mammals became more prevalent, and angiosperms spread throughout the Cenozoic Era.
Explanation:
Direct Observation. Hope this helps!
The pulmonary vein differ from the other veins in the body because it carries oxygenated blood whereas other veins carried deoxygenated blood
Which means that the pulmonary vein carried out the blood to the entire body as a source for metabolism
hope this helps
Answer:
A
Explanation:
The enterobacteriaceae group (enteric bacteria) are bacteria found only in the intestine. Enteric literally means intestine. They are gram negative bacilli that are non- spore forming, most are motile. The consist of many genera and strains that colonize the small and large intestine and includes members of the non-pathogenic autochthonous (bacteria that are native species of the intestine, they are neither hurting nor helping the system) microbiota as well as pathogens. Examples of the pathogens include some strains of <em>Escherichia coli</em>, <em>Salmonella typhii,</em> <em>Shigella spp.</em> Examples of the non-pathogenic enteric bacteria includes <em>Lactobacillus acidophillus</em> and some strains of Escherichia coli.