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TLS Online TPP Program

#Question id: 7298

In what way are the homeotic genes of flowering plants similar to those of Drosophila and other animals?

#SCPH01 Biochemistry
  1. all homeotic genes are transcription factors of the homeobox class.
  2. the homeotic genes of flowers are derived during evolution from the same primordial genes used in animals.
  3. mutations in the homeotic genes of flowers cause transformation of one organ into another.
  4. the homeotic genes of plants are arranged in a cluster on the chromosome, and are expressed from one end to the other in an anterior-posterior order.
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TLS Online TPP Program

#Question id: 768

#SCPH06 I Botany

MicroRNAs are important gene regulators, but the miRNAs are also regulated in turn by other RNAs. Which, if any, of the following classes of RNA are not known to contain RNAs that regulate miRNAs?
TLS Online TPP Program

#Question id: 8694

#SCPH28 | Zoology

Which of the following is (are) problematic when the goal is to construct phylogenies that accurately reflect evolutionary history?
TLS Online TPP Program

#Question id: 350

#SCPH05 I Biotechnology

Cohesion, surface tension, and adhesion are the properties of water molecules that ________.
TLS Online TPP Program

#Question id: 9221

#SCPH06 I Botany

The primary difference between the small-population approach and the declining-population approach to biodiversity recovery is that ________.
TLS Online TPP Program

#Question id: 12948

#SCPH28 | Zoology

Proteolytic cleavage of DNA polymerase by subtilisin caused loss of its nick translation activity. Which of the following properties is lost?