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#Question id: 8886


Which characteristic is shared by both cnidarians and flatworms?

#Unit 9. Diversity of Life Forms
  1. dorsoventrally flattened bodies
  2. flame bulbs
  3. radial symmetry
  4. a digestive system with a single opening
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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?