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: 1182

#Section 3: Genetics, Cellular and Molecular Biology

Transcriptional activation downstream of the MAPK pathway involves:
TLS Online TPP Program

#Question id: 3012

#Section 2: General Biology

Agar is a sulfated polymer
TLS Online TPP Program

#Question id: 14894

#Section 5: Bioprocess Engineering and Process Biotechnology

Wash out in steady state fermentation occurs when 
TLS Online TPP Program

#Question id: 14116

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following statements are CORRECT when a protein sequence database is searched using the BLAST algorithm? 
P. A larger E-value indicates higher sequence similarity 
Q. E-value < 10^-10 indicates sequence homology 
R. A higher BLAST score indicates higher sequence similarity 
S. E-value > 10^10 indicates sequence homology 
TLS Online TPP Program

#Question id: 119

#Section 2: General Biology

Tay-Sachs disease is the result of a genetic defect in the metabolism of: