Prokaryotic cells possess simpler structures than eukaryotic cells , since they do not have a nucleus , other membrane bound organelles , or a cytoskeleton . Bacterial cells have two major compartments, the cytoplasm and cell envelope, and may also have exterior appendages , such as flagella or pili. There are two major types of prokaryotes: bacteria and archaea.
A , Administration, answered. The first symptoms of influenza (flu) virus B, including fever, chills, headache, and body aches, often begin to go away after about 2 or 3 days. In some cases, these symptoms will last 5 days or longer. The respiratory symptoms of influenza virus B, such as coughing, throat irritation, and congestion may last for days or weeks. However, most people are not contagious after about a week from the beginning of symptoms.
The average duration of cough, according to a recent study, is 18 days. If you think that seems like a long time, youâre not alone. A telephone survey by the same researchers found most people expected a cough to last seven to nine days. That dissonance between how long people expect cough to last and how long it really does sends a lot of people to the doctor.