Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 46422
TLS Online TPP Program

#Question id: 12937

Choose the incorrect statement about Yeast Artificial Chromosome vectors.

#SCPH06 I Botany
  1. They are linear molecule composed of a centromere,telomeres and a replication origin termed ARS element.
  2. It is digested with restriction enzymes at the SUP4 and Bam HI sites separating the telomere sequences.
  3. It produces four arms and the foreign genomic DNA is fragmented.
  4. They are replicated in yeast cells and the external cell wall of the yeast needs to be removed to leave a spheroplast.
More Questions
TLS Online TPP Program

#Question id: 9169

#SCPH28 | Zoology

In areas of permafrost, stands of black spruce are frequently observed in the landscape, while other tree species are noticeably absent. Often these stands are referred to as "drunken forests" because many of the black spruce often "lean over" (that is, they are displaced from their normal vertical alignment). What is the most likely explanation for the unusual growth of these forests in this marginal habitat?
TLS Online TPP Program

#Question id: 9170

#SCPH06 I Botany

Which of the following is an important feature of most terrestrial biomes?
TLS Online TPP Program

#Question id: 9170

#SCPH28 | Zoology

Which of the following is an important feature of most terrestrial biomes?
TLS Online TPP Program

#Question id: 9171

#SCPH06 I Botany

Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?
TLS Online TPP Program

#Question id: 9171

#SCPH28 | Zoology

Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?
TLS Online TPP Program

#Question id: 9172

#SCPH06 I Botany

Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of ________.