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TLS Online TPP Program

#Question id: 4127

Which one of the following statements about ribosomes is true?

#SCPH28 | Zoology

  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.

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TLS Online TPP Program

#Question id: 11088

#I Life Science/ Life Sciences Group – I-V

At a fraternity party a 17-year-old male places a paper bag over his mouth and breathes in and out of the bag. As he continues to breathe into this bag, his rate of breathing continues to increase. Which of the following is responsible for the increased ventilation?
TLS Online TPP Program

#Question id: 2100

#I Life Science/ Life Sciences Group – I-V

Cholesterol, bile acids, ergosterol, and stigmasterol share all the following common structural features except
TLS Online TPP Program

#Question id: 19652

#SCPH05 I Biotechnology

Benzene reacts with CH3Cl in the presence of anhydrous AlCl3 to form
TLS Online TPP Program

#Question id: 3018

#SCPH28 | Zoology

In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the
TLS Online TPP Program

#Question id: 18372

#SCPH06 I Botany

Which enzyme is used to degrade of chlorinated solvents and pesticides present in soil makes the soil contaminated