TLS Online TPP Program

#Question id: 5285


A transformation experiment is carried out using donor DNA that is A+B+C+ and a recipient that is A-B- C-. A+ transformants are selected and tested further. Of these, 64% are B+ and none are C+. Also, B+ are selected, and 8% are also C+. What is the gene order

#Unit 8. Inheritance Biology
  1. a-b-c   

  2. b-a-c         

  3. c-a-b             

  4. a-c-b

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TLS Online TPP Program

#Question id: 23772

#Unit 7. System Physiology – Animal

Match the letters of the following descriptions with the appropriate circle,

a. Photopic vision
b. Have low acuity or resolution
c. Scotopic vision
d. Participate in color vision

TLS Online TPP Program

#Question id: 1252

#Unit 4. Cell Communication and Cell Signaling

 Following statements are regarding to the phosphoinositide signaling pathway.

A. Many RTKs and cytokine receptors can initiate the IP3/ DAG signaling pathway by activating phospholipase Cβ (PLCβ), a different PLC isoform.

B. Activated RTKs and cytokine receptors also can initiate another phosphoinositide pathway by binding a PI-3 kinase, thereby allowing the enzyme access to its membrane-bound phosphoinositide substrates, which then become phosphorylated at the 3 position.

C. Protein kinase B (PKB) becomes partially activated by binding to PI 3-phosphates with its PH domain.

D. Full activation of PKB requires phosphorylation by the kinase PDK1, which is also recruited to the membrane by binding to PI 3-kinase, and by a second kinase, PDK2.

Which of the following combination is incorrect?

TLS Online TPP Program

#Question id: 14956

#Unit 6. System Physiology – Plant

Where is the catalytic domain of cellulose synthase located?

TLS Online TPP Program

#Question id: 24594

#Unit 2. Cellular Organization

Which of the following is an inhibitor of eukaryotic type I topoisomerases

TLS Online TPP Program

#Question id: 5723

#Unit 8. Inheritance Biology

An individual heterozygous for a reciprocal translocation possesses the following chromosomes

I-  nonviability                                  II – Viability        

III- only translocated chromosome     IV- only normal chromosome

V- one translocated another normal

Which of the following above chromosome constituent and feature in their gamete result from?

A- alternate       B- adjacent-1     C- adjacent-2