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TLS Online TPP Program

#Question id: 28232

which of the following statement about Adult stem cells is incorrect?

#Unit 5. Developmental Biology
  1. it must maintain the long-term ability to divide
  2. it is widely used to denote any ancestral cell type either stem cell or progenitor cell of a particular lineage
  3. it has the ability to produce some differentiated daughter cells
  4. it can repopulate the stem cell pool
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TLS Online TPP Program

#Question id: 2816

#Unit 2. Cellular Organization

Which of the following mutations can result in a reduction of β-galactosidase?

a. a mutation in adenylate cyclase

b. a mutation in catabolite activator protein (CAP)

c. a mutation in the CAP site in the lac control region

d. a mutation in the repressor binding site in the operator
TLS Online TPP Program

#Question id: 10834

#Unit 10. Ecological Principles

Which of the following is not an example of symbiosis?
TLS Online TPP Program

#Question id: 3759

#Unit 3. Fundamental Processes

In E. coli, to repair a thymine dimer by nucleotide excision repair, in which order do the necessary enzymes act?
TLS Online TPP Program

#Question id: 19925

#Unit 12. Applied Biology

The strategy of artificially programme cell death will be effective against which types of pathogen?
1. Obligate parasites 
2. Facultative parasites
Which of the above are correct?
TLS Online TPP Program

#Question id: 11784

#Unit 7. System Physiology – Animal

Which of the following hormones is both synthesized and stored in the pituitary gland?