TLS Online TPP Program

#Question id: 15760


Why Stem cells are sometimes referred to as “undifferentiated”?

#Unit 5. Developmental Biology
  1. Due to the quiescence-promoting signals
  2. Due to the differentiation-promoting signals
  3. Due to the maintenance of proliferative properties.
  4. Due to the asymmetric cell division
More Questions
TLS Online TPP Program

#Question id: 5264

#Unit 8. Inheritance Biology

Studies done by Buchner showed that ground-up yeast cells were able to convert sugar to alcohol. The components of the mixture that were responsible for this transformation were

TLS Online TPP Program

#Question id: 5265

#Unit 8. Inheritance Biology

The mechanism by which genes are transferred into bacteria via viruses is called

TLS Online TPP Program

#Question id: 5266

#Unit 8. Inheritance Biology

In conjugation the donor cell is recognized by the presence of

TLS Online TPP Program

#Question id: 5267

#Unit 8. Inheritance Biology

The F plasmid carries the information for

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: 15408

#Unit 8. Inheritance Biology

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