Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 11558
TLS Online TPP Program

#Question id: 4127

Which one of the following statements about ribosomes is true?

#Section 3: Genetics, Cellular and Molecular Biology

  1. The large subunit contains rRNA molecules, the small subunit does not.

  2. The RNA in ribosomes plays a structural, not catalytic, role.

  3. There are about 25 of them in an E. coli cell.

  4. There are two major subunits, each with multiple proteins.

More Questions
TLS Online TPP Program

#Question id: 168

#Section 2: General Biology

 The peptide alanylglutamylglycylalanylleucine has:
TLS Online TPP Program

#Question id: 169

#Section 2: General Biology

 An octapeptide composed of four repeating glycylalanyl units has:
TLS Online TPP Program

#Question id: 170

#Section 2: General Biology

Desmosine, an uncommon amino acid is derived from
TLS Online TPP Program

#Question id: 171

#Section 2: General Biology

An amino acid with two chiral carbon atoms
TLS Online TPP Program

#Question id: 172

#Section 2: General Biology

Which amino acid is least likely to participate in acid-base catalysis?
TLS Online TPP Program

#Question id: 174

#Section 2: General Biology

What is the net charge on the dipeptide Arg-Pro at pH 9.0? The table below gives the pKaʹs of the ionizable groups on the free amino acids.