Podcast
Questions and Answers
Enzyme-linked immunosorbent assay (ELISA) is used to detect the presence of antibodies in body fluids.
Enzyme-linked immunosorbent assay (ELISA) is used to detect the presence of antibodies in body fluids.
True
Bacteria that do not grow in culture cannot be seen under a microscope.
Bacteria that do not grow in culture cannot be seen under a microscope.
False
Wet films provide wider field of view compared to stained smears.
Wet films provide wider field of view compared to stained smears.
False
Electron microscopy can be used to observe the movement of microorganisms.
Electron microscopy can be used to observe the movement of microorganisms.
Signup and view all the answers
Immunological methods are not able to identify organisms.
Immunological methods are not able to identify organisms.
Signup and view all the answers
Gram staining divides bacteria into two groups: true or false?
Gram staining divides bacteria into two groups: true or false?
Signup and view all the answers
Crystal violet stains the bacterial cells pink in Gram staining: true or false?
Crystal violet stains the bacterial cells pink in Gram staining: true or false?
Signup and view all the answers
The alcohol treatment in Gram staining helps the crystal violet bind tightly with the bacterial cells: true or false?
The alcohol treatment in Gram staining helps the crystal violet bind tightly with the bacterial cells: true or false?
Signup and view all the answers
Gram-negative bacteria have a thicker peptidoglycan layer in their cell wall compared to Gram-positive bacteria: true or false?
Gram-negative bacteria have a thicker peptidoglycan layer in their cell wall compared to Gram-positive bacteria: true or false?
Signup and view all the answers
Gram staining categorizes bacteria into three groups: true or false?
Gram staining categorizes bacteria into three groups: true or false?
Signup and view all the answers
The alcohol treatment in Gram staining causes the crystal violet to wash out from Gram-negative bacteria but not from Gram-positive bacteria: true or false?
The alcohol treatment in Gram staining causes the crystal violet to wash out from Gram-negative bacteria but not from Gram-positive bacteria: true or false?
Signup and view all the answers
The iodine treatment in Gram staining helps the crystal violet bind tightly with the bacterial cells: true or false?
The iodine treatment in Gram staining helps the crystal violet bind tightly with the bacterial cells: true or false?
Signup and view all the answers
Gram-positive bacteria have a thinner cell wall compared to Gram-negative bacteria: true or false?
Gram-positive bacteria have a thinner cell wall compared to Gram-negative bacteria: true or false?
Signup and view all the answers
Gram staining divides bacteria into three groups: true or false?
Gram staining divides bacteria into three groups: true or false?
Signup and view all the answers
The alcohol treatment in Gram staining causes the crystal violet to wash out from Gram-positive bacteria but not from Gram-negative bacteria: true or false?
The alcohol treatment in Gram staining causes the crystal violet to wash out from Gram-positive bacteria but not from Gram-negative bacteria: true or false?
Signup and view all the answers
The iodine treatment in Gram staining helps the crystal violet bind tightly with the bacterial cells: true or false?
The iodine treatment in Gram staining helps the crystal violet bind tightly with the bacterial cells: true or false?
Signup and view all the answers
Crystal violet stains the bacterial cells pink in Gram staining: true or false?
Crystal violet stains the bacterial cells pink in Gram staining: true or false?
Signup and view all the answers
