Some people consider Staphylococcus aureus to be a primary pathogen, while others classify it as an opportunist. Which of the fo
llowing statements supports the opinion that it is an opportunist? A. Outbreaks in groups of people such as football players have been reported.
B. Antibiotic-resistant strains of S. aureus are increasingly being reported.
C. S. aureus is found in the nasal passages of many healthy people.
D. Only some strains of S. aureus produce toxins.
Opportunist are organisms that are found naturally in other living organism and only cause disease in the organism when its immune system is compromised for example HIV virus lowers immune system strength by reducing the amount of the CD4⁺ cells available thereby exposing the organism to attack from opportunistic organism such <em>Staphylococcus aureus. </em>The opinion that supports the statement is S.aureus is found in the nasal passages of many healthy people.
Biohazard is a risk to human health or the environment arising from biological work, especially with microorganisms. Bio means of life or a living thing Hazard means danger or risk
Skeletal muscle – the specialised tissue that is attached to bones and allows movement. Together, skeletal muscles and bones are called the musculoskeletal system (also known as the locomotor system).
❖ Before mitosis and meiosis occur, DNA replication has to occur. DNA replication is when another copy is made of the DNA and in mitosis and meiosis, you need the replicated DNA for the sister chromatids.
