16. Identify the bacterium that was decolorized during gram’s experiment with dy
ID: 226457 • Letter: 1
Question
16. Identify the bacterium that was decolorized during gram’s experiment with dyes
A. Staphylococcus aureus
B. Klebsiella pneumonia
C. Escherichia coli
D. Streptococcus pneumonia
17. A non-toxigenic microbe
A. Does not rely on toxins i=for its virulence
B. Is Normal flora and non-pathogenic
C. Can produce poisonous substances
D. Is non-virulent and non-life threatening
18. Bacteria can acquire the genes for exotoxin production through pahges, which are
A. Extra additional pieces of DNA in their cells
B. The main circular bacterial chromosomes with thousands of genes
C. Immune cells that consume bacteria and other germs
D. Viruses that infect and destroy bacterial cells
19. A Coenocyte is
A. Prokaryotic
B. A cell without a cell wall
C. Eukaryotic with multiple nuclei.
Explanation / Answer
16- Answer is C- Escherichia coli because e.coli is grame negative bacteria having very less petidoglycon layer and lipid content during couter stain can not hold the colour. and become colurless.
Answer of question 17- B Is Normal flora and non-pathogenic because can not cause deases.
Answer of question no 18- A. Extra additional pieces of DNA in their cells
answer of question no19-C. Eukaryotic with multiple nuclei.
enclosed in a single membrane, having multiple nuclei algal or fungal cytoplasm having several nuclei,
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.