TLS Online TPP Program

#Question id: 5262


Which of the following characteristics is not true of a plasmid?

#SCPH06 I Botany
  1. It is a circular piece of DNA.

  2. It is required for normal cell function.

  3. It is found in bacteria.

  4. It can be transferred from cell to cell

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TLS Online TPP Program

#Question id: 1036

#SCPH06 I Botany

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: 12936

#SCPH06 I Botany

Adding small double-stranded molecules with one internal site for a restriction endonuclease,termed ______ to cDNA.

TLS Online TPP Program

#Question id: 3886

#SCPH28 | Zoology

Which one of the following statements about the reverse transcriptases of retroviruses and the RNA replicases of other single-stranded RNA viruses, such as R17 and influenza virus, is correct?

TLS Online TPP Program

#Question id: 14277

#SCPH05 I Biotechnology

Lactobacillus casei is propagated under essentially anaerobic conditions to provide a starter culture for manufacture of Swiss cheese. The culture produces lactic acid as a by-product of energy metabolism. The system has the following characteristics:

                                                                 

 

A stirred fermenter is operated in fed-batch mode at quasisteady state with a feed flow rate of 4 m3 h-1 and feed substrate concentration of 80 kg m-3. After 6 h, the liquid volume is 40 m3. What mass of cells is produced after 6 h fed-batch operation?

                               __________________

TLS Online TPP Program

#Question id: 5071

#SCPH01 Biochemistry

Defect in hedgehog signaling cause, basal cell nevus syndrome, a rare autosomal dominant condition characterized by both developmental anomalies (fused fingers; rib and facial abnormalities) and multiple malignant tumors. This condition created due to mutation in