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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?

#Unit 5. Developmental Biology
  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: 20989

#Unit 12. Applied Biology

_______ conversion of toluene to benzoic acid in the zone of a crude oil-contaminated aquifer was obtained.
TLS Online TPP Program

#Question id: 351

#Unit 1. Molecules and their Interaction Relevant to Biology

 If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.
TLS Online TPP Program

#Question id: 19472

#Unit 12. Applied Biology

Which maize variety was developed by Monsanto, U.S.A?
TLS Online TPP Program

#Question id: 18863

#Unit 13. Methods in Biology

A microscopes resolving power is a function of-
TLS Online TPP Program

#Question id: 1274

#Unit 4. Cell Communication and Cell Signaling

Which of the following are included as functions of the extracellular matrix?

a. supporting differentiation               b. synthesis of procollagen

c. binding growth hormones               d. filtering