Related Questions

Gram positive bacteria differ from gram negative bacteria by
A Outer membrane
B Lipopolysaccharide
C Cell membrane
D Pili
E Capsule
Cell wall of gram positive bacteria contains
A Peptidoglycan
B Teichoic acid
C Porin protein
D Periplasmic space
E Lipopolysaccharide
The number of bacteria in a colony was growing exponentially . At 1 pm yesterday the number of bacteria was 1000 and at 3 pm yesterday it was 4000. How many bacteria were there in the colony at 6 pm yesterday ?
A 32,000
B 80,000
C 60,072
D 7,683
A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 104, what was the number of bacteria in the population 1 hour later?
A 2(104)
B 6(104)
C (26) (104)
D (106)(104)
It takes 30 days to fill a laboratory dish with bacteria, If the size of the bacteria doubles each days, how long will it take for the bacteria to fill one-----half of the dish?
A 10 days
B 15 days
C 24 days
D 29 days
One 100 gram bowl of cream soup contains 300 calories. How many calories are there in a 30 gram portion of that soup?
A 90
B 100
C 900
D 1000
Courier charges for packages to a certain destination are 65 cents for the first 250 gram and 10 cents for each additional 100 grams or part thereof . what could be the weigh in gram of a package for which the charge is $ 1.55 ?
A 1155
B 950
C 1040
D 1150
Bacteria that are not visualized microscopically by gram stain includes
A Borrelia
B Mycobacteria
C Chlamydia
D Yersinia
E Acinetobacter
Bacteria that can not be seen under microscope in Gram stain smear are
A Treponema palladium
B Mycobacterium leprae
C Mycoplasma pneumoniae
D Streptococcus pyogens
E Clostridium tetani
The population of a bacteria culture doubles every 2 minutes. Approximately how many minutes with it take for the population to grow from 1,000 to 500,000 bacteria?
A 10
B 12
C 14
D 18

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