Practice Questions

TLS Online TPP Program

#Question id: 6961

Do HOX genes play a role in the development of C. elegans?

#I Life Science/ Life Sciences Group – I-V

No, C. elegans does not have HOX genes
No, C. elegans has HOX genes but none of them are used during development
Yes, C. elegans has 4 clusters of HOX genes, just like mammals, that are required for specification of the identity of structures during embryogenesis
Yes, but only one HOX gene is required in the embryo; the others provide positional identity in the larva

More Questions

TLS Online TPP Program

#Question id: 4340

#SCPH01 Biochemistry

There is a mutation that is found in E. coli in the repressor that results in a molecule known as a super-repressor because it represses the lac operon permanently. Which of the following characteristics would you expect to observe in such a mutant?

TLS Online TPP Program

#Question id: 15216

#SCPH01 Biochemistry

There is no SDS in native (Buffer) Gels, but good resolution is achieved due to

TLS Online TPP Program

#Question id: 3680

#SCPH28 | Zoology

If DNA polymerase I were mutated so that all its enzymatic activities were inactive, which part of replication would be most affected?

TLS Online TPP Program

#Question id: 15143

#SCPH05 I Biotechnology

Which one of the following is a depiction of the GenBank sequence entry format?