Bacteria and Archaea
Why is an extreme thermophile found in hydrothermal vents named as ‘strain 121’?
it can reproduce at 121 °C
it has 121 genes
it has 121 strains
it produces 121 types of proteins
it can reproduce at 121 °C
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From which of following autotroph organisms obtain energy?A. oxygen
B. sulphur
C. co2
D. hydrogen
Which of following are appendages that facilitate conjugation?
A. pilus
B. flagella
C. pseudomonas
D. cilia
Which of following bacteria cause syphilis?
A. treponema pallidum
B. salmonella
C. Bdellovibrios
D. Nongonococcal urethritis
Which of following diseases is caused by Bacillus anthracis?
A. flu
B. common cold
C. tuberculosis
D. anthrax
Which of following is caused by Shigella bacterium?
A. dysentery
B. cholera
C. measles
D. shingles
A Halobacterium cell compensates for water loss by pumping which ions in cell?
A. K
B. O2
C. H2
D. NA
Which of following can be poisoned by oxygen?
A. Streptomyces
B. Borrelia burgdorferi
C. Leptospira
D. methanogens
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