TLS Online TPP Program

#Question id: 18580


Which of the following can be a source of internal or external stress?

#Unit 7. System Physiology – Animal
  1. inconsistent goals or behaviors
  2. change
  3. performance demands
  4. All of the above
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TLS Online TPP Program

#Question id: 3055

#Unit 2. Cellular Organization

300 CFU will form on petriplate if 0.1ml sample plating from 10^6 diluted sample. Original sample contain bacteria per ml is

TLS Online TPP Program

#Question id: 3056

#Unit 2. Cellular Organization

Ten bacteria were inoculated into a rich medium. If at the end of ten hours the total number of cells is 10^4, then the number of elapsed generations and the generation time respectively is

TLS Online TPP Program

#Question id: 3057

#Unit 2. Cellular Organization

Mean generation time of bacteria is 20 min. 6 hours of incubation, the bacterial population increases from 10^3 cells to

TLS Online TPP Program

#Question id: 3058

#Unit 2. Cellular Organization

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample

TLS Online TPP Program

#Question id: 3060

#Unit 2. Cellular Organization

A bacteria having doubling time of 1 minute, fills a cylindrical vessel completely in 3 hours. How much time will it take to fill half of the vessel?

TLS Online TPP Program

#Question id: 4256

#Unit 2. Cellular Organization

With respect to CpG islands in our genomic DNA, which, if any, of the following descriptions do not apply?

1) frequently occurring (there are about 30,000 in the human genome).

2) long DNA sequences (typically from 10 kb to 100 kb in length).

3) low CG dinucleotide frequency.

4) frequently associated with transcriptional start sites.