Question
Category:
Microbiology
The domestic animal has had a crucial impact on human history, societies, and civilizations (Hata et al., 2021; Diamond, 2002). Among domesticated animal species, the domestic chicken known scientifically as Gallus gallus domesticus stands out as the most widely distributed poultry globally (Miao et...
Category:
Microbiology
Introduction: The late 1800s and the early 20th century witnessed the rise of TB sanatoriums as a response to the growing threat of infectious diseases. This paper delves into the reasons behind the creation of these facilities, explores the living conditions of TB patients within them, and critical...
updated 3 years ago
Category:
Microbiology
A 25-year-old woman with a history of rheumatic fever and mitral valve dysfunction comes to the physician because of a 2-week history of fever and fatigue. She underwent a root canal procedure 1 month ago, before which she had taken a single dose of amoxicillin. On blood agar plates, the organism sh...
Editor May 18, 2021
Answer C.Streptococcus mitis Explanation The causative agent is streptococci from the group known as Viridans streptococci. Viridans streptococci are part of normal oral flora and generally gain access to the (View full solution)
updated 3 years ago
Category:
Microbiology
A gene for eye color in humans has 3 alleles: EB, EBl, and EG, for brown, blue, and green eyes, respectively. If an individual is EB/EG, is she homozygous or heterozygous for eye color?
Editor April 18, 2021
Answer Heterozygous Because the individual has two different alleles for this eye color gene. Explanation There are two sets of chromosomes and the two terms used to describe allele (View full solution)
updated 3 years ago
Category:
Microbiology
Could you prove cause and effect using something like Koch's postulates if you could not cultivate the organism you suspect is causing the disease? What type of approach would you use?
Editor January 10, 2021
Answer Yes, you can prove cause and effect even if you could not cultivate the organism you suspect in causing the disease. The best approach in achieving this is by (View full solution)