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#Question id: 2699


Which of the following does not promote stability in stem-loop structure?

#Unit 2. Cellular Organization
  1. Length of the stem

  2. Size of the loop

  3. A : U base pairing

  4. π orbital of aromatic ring

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TLS Online TPP Program

#Question id: 15408

#Unit 8. Inheritance Biology

Which of the following is not a protein or group of proteins required for conjugation to occur?

TLS Online TPP Program

#Question id: 15409

#Unit 8. Inheritance Biology

 A heterozygous trihybrid corn plant is testcrossed and the following progeny are produced (all traits are recessive to their wildtype alternative);
          booster                              6
          booster, silkless                  137       
          booster, liguleless, silkless      291
          liguleless                          142
          liguleless, silkless                  3
          silkless                            30
          booster, liguleless                  34
          wildtype                            339
What is the order of the loci on the chromosome? 

TLS Online TPP Program

#Question id: 26801

#Unit 8. Inheritance Biology

Transduction in which any gene can be transferred from one bacterial cell to another by a virus is called

TLS Online TPP Program

#Question id: 26802

#Unit 8. Inheritance Biology

The exchange of bacterial genes clearly required direct contact, that is given by

TLS Online TPP Program

#Question id: 5323

#Unit 8. Inheritance Biology

An X-linked recessive gene produces red-green color blindness in humans. A woman with normal color vision whose father was color-blind marries a color-blind man. What is the probability that their son will be color-blind?

TLS Online TPP Program

#Question id: 5324

#Unit 8. Inheritance Biology

In eusocial insects, males develop from unfertilized eggs while females develop from fertilized eggs. The ultimate consequence of this difference is that