Biology, 28.12.2021 15:00 starboy1051
A 1-month-old infant underwent a spinal tap to rule out bacterial meningitis. The CSF was cloudy, and the smear showed many pus cells and short gram-positive rods. After 18 hours, many colonies appeared on blood agar that resembled Streptococcus agalactiae (Group B Beta Strep) or L. monocytogenes.
Which of the following preliminary tests should be performed on the colonies to best differentiate L. monocytogenes from Streptococcus agalactiae?
A. Motility (25°C) and catalase
B. PYR and bacitracin
C. Oxidase and glucose
D. Coagulase and catalase
Answers: 3
Another question on Biology
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 22.06.2019 04:20
Explain the significance of the increased cell specialization of the volvocine line
Answers: 1
Biology, 22.06.2019 10:00
Dna and rna share a number of similarities,but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna
Answers: 1
Biology, 22.06.2019 20:30
Can result as a complication of diabetes due to damage to the arterial walls and excess fat in the blood.
Answers: 1
You know the right answer?
A 1-month-old infant underwent a spinal tap to rule out bacterial meningitis. The CSF was cloudy, an...
Questions
Mathematics, 15.01.2021 22:00
Mathematics, 15.01.2021 22:00
Health, 15.01.2021 22:00
Mathematics, 15.01.2021 22:00
Mathematics, 15.01.2021 22:00
Mathematics, 15.01.2021 22:00
Mathematics, 15.01.2021 22:00
History, 15.01.2021 22:00
Mathematics, 15.01.2021 22:00
Mathematics, 15.01.2021 22:00
