TLS Online TPP Program

#Question id: 5089


The archenteron of the developing sea urchin eventually develops into the ________.

#Unit 5. Developmental Biology
  1. blastocoel

  2. heart and lungs

  3. digestive tract

  4. brain and spinal cord

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TLS Online TPP Program

#Question id: 26481

#Unit 2. Cellular Organization

Which of the following are the characteristics of prokaryotic operator O1
a. Made up of 21-bp sequence 
b. It has twofold/dyad symmetry 
c. Recognized by two subunits of Lac repressor
d. On each O1 four unit of Lac repressor binds

TLS Online TPP Program

#Question id: 26482

#Unit 2. Cellular Organization

Which of the following is incorrectly matched if in the medium

a. glucose + lactose

= basal level of transcription

b. glucose + lactose

= no transcription

c. glucose  lactose+

= activated level of transcription

d. glucose + lactose +

= basal level of transcription







TLS Online TPP Program

#Question id: 26483

#Unit 2. Cellular Organization

lac repressor binds to

TLS Online TPP Program

#Question id: 26484

#Unit 2. Cellular Organization

Which of the following graph is correct in response to inducer molecule

                     


                                                            a                                                                                                                                                                         b

     

TLS Online TPP Program

#Question id: 26485

#Unit 3. Fundamental Processes

CAP–cAMP complex binds to upstream element as

TLS Online TPP Program

#Question id: 26486

#Unit 3. Fundamental Processes

Which of the following is responsible  to increase the rate of open promoter complex formation by enhancing the k2