Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 3665
TLS Online TPP Program

#Question id: 3878

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

#Unit 3. Fundamental Processes

  1. Both rRNA and some tRNAs are part of the same primary transcript.

  2. Each rRNA sequence (16S, 23S, 5S) is transcribed into a separate primary transcript.

  3. Primary tRNA transcripts undergo methylation, but rRNA sequences are not methylated.

  4. The tRNA sequences all lie at the 3’end of the rRNA transcripts

More Questions
TLS Online TPP Program

#Question id: 10475

#Unit 1. Molecules and their Interaction Relevant to Biology

During the formation of a blood plasma protein The aromatic ring of vitamin K undergoes:
TLS Online TPP Program

#Question id: 10476

#Unit 1. Molecules and their Interaction Relevant to Biology

Following statements are regarding to gangliosides.

A. They are ceramides with attached oligosaccharides that include at least one sialic acid residue.

B. They are ceramides with attached oligosaccharides that include at least one phasphatidic acid residue.

C. Sialic acid gives gangliosides the negative charge at pH 7 that distinguishes them from globosides.

D. Gangliosides are primarily components of cell-surface membranes and constitute a significant fraction (6%) of brain lipids.

Which of the following combination is correct?
TLS Online TPP Program

#Question id: 10477

#Unit 1. Molecules and their Interaction Relevant to Biology

The tendency of nonpolar molecules to self‐associate in water rather than to dissolve individually is called
TLS Online TPP Program

#Question id: 10478

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following amino acids with their structure?
TLS Online TPP Program

#Question id: 10479

#Unit 1. Molecules and their Interaction Relevant to Biology

All hydrophobic amino acids (valine, leucine, isoleucine, etc.) share which of the following properties
TLS Online TPP Program

#Question id: 10480

#Unit 1. Molecules and their Interaction Relevant to Biology

If we want to perform a reaction, first we need to remove ordered water molecule phenomenon is known as