Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 748
TLS Online TPP Program

#Question id: 766

With respect to microRNAs, which, if any, of the following statements, is true?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. MicroRNA is a generic term that covers all tiny RNAs, ones that are less than 35 nucleotides long when mature.

  2. MicroRNA genes often occur in gene clusters within introns of protein-coding genes and are usually transcribed by RNA polymerase II.

  3. MicroRNAs regulate target genes by binding to complementary sequences on one DNA strand of the target gene.

  4. MicroRNAs normally regulate the expression of just a single target gene.

More Questions
TLS Online TPP Program

#Question id: 27683

#Unit 10. Ecological Principles

If a plant has a fresh weight of 150 g, a dry weight of 100g, and a turgid weight of 160g, what is its relative water content?
TLS Online TPP Program

#Question id: 4166

#Unit 3. Fundamental Processes

At the ribosome the template mRNA is translated in the __ direction, while the protein is synthesized in the __ direction.
TLS Online TPP Program

#Question id: 11999

#Unit 10. Ecological Principles

Rachel Carson would most likely have endorsed which of the following statements?
TLS Online TPP Program

#Question id: 16491

#Unit 12. Applied Biology

Which was the first transgenic variety to reach market
TLS Online TPP Program

#Question id: 28065

#Unit 1. Molecules and their Interaction Relevant to Biology

Guanidinium ion and urea are