Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 22308
TLS Online TPP Program

#Question id: 21387

Meristem culture are used for production of__

#Unit 12. Applied Biology
  1. Dominant Sporophytic plant
  2. Angiospermic plant
  3. Pathogen free plant 
  4. Dominant Gametophytic plant
More Questions
TLS Online TPP Program

#Question id: 12087

#Unit 10. Ecological Principles

At latitudes of 20 to 30 degrees north or south and with prevailing winds from east to west, the most likely biome to develop at M would be a
TLS Online TPP Program

#Question id: 10738

#Unit 10. Ecological Principles

Which of the following terms is inconsistent with the others?
TLS Online TPP Program

#Question id: 11366

#Unit 9. Diversity of Life Forms

If this structure connects the cytoplasm of two bacteria, one of these cells may gain new genetic material:
TLS Online TPP Program

#Question id: 18003

#Unit 9. Diversity of Life Forms

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 
1. micropyle 2. style 
3. ovary 4. stigma 
TLS Online TPP Program

#Question id: 2902

#Unit 2. Cellular Organization

The function and positioning of the histone variants can be studied by an application of technologies used in genomics. One useful technology is chromatin immunoprecipitation, or chromatin IP (ChIP). The correct sequence of the processes that occur in this experiment will be?

1. A histone variant with an epitope tag is introduced into a particular cell type, where it is incorporated into nucleosomes.

2. The pattern of hybridization on the microarray reveals the DNA sequences bound by the nucleosomes with the histone variant.

3. Antibody is added, and the nucleosomes containing the epitope-tagged histone variant are selectively precipitated.

4. Chromatin is isolated from the cells and digested briefly with micrococcal nuclease (MNase).

5. The DNA in these nucleosomes is extracted from the precipitate, labeled, and used to probe a microarray representing all or part of the genomic sequences of that particular cell type.