TLS Online TPP Program

#Question id: 2657


In Lac-operon, the gene product of LacA gene is

#Unit 2. Cellular Organization
  1. Beta-galactoside permease

  2. Beta-galactoside transacetylase

  3. Beta-galactosidase

  4. Beta-galactoside isomerase

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TLS Online TPP Program

#Question id: 5262

#Unit 8. Inheritance Biology

Which of the following characteristics is not true of a plasmid?

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?