TLS Online TPP Program

#Question id: 12246


The graphs below show that the relationship between atmospheric CO2 and mean global temperature is

#Unit 10. Ecological Principles
  1. A positive correlation
  2. An inverse relationship
  3. A cause-and-effect relationship
  4. Evidence of an impending ice age
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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: 27503

#Unit 2. Cellular Organization

Bacterial DNA are atchitected in form of loop sized with

TLS Online TPP Program

#Question id: 27504

#Unit 2. Cellular Organization

Which kind of catalysis are used by the topoisomerases