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TLS Online TPP Program

#Question id: 32308

Why are many hydrolases synthesized and delivered as proenzymes in the cell?

#Unit 2. Cellular Organization
  1. To prevent premature activation and degradation of cellular components.
  2. To allow immediate enzymatic activity upon synthesis.
  3. To enable the hydrolases to function in the cytosol.
  4. To increase the pH of the endosome.
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TLS Online TPP Program

#Question id: 4763

#Unit 8. Inheritance Biology

in a rare blood type referred to as the bombay phenotype, individuals are unable to attach the a or b antigens to their red blood cells. individuals that are homozygous recessive for gene "h" have the bombay phenotype and their blood type is type "o" regardless of their abo genotype. this is an example of what extension of mendelian inheritance?
TLS Online TPP Program

#Question id: 29046

#Unit 10. Ecological Principles

All homeostatic systems used by organisms to regulate body temperature are described by which of the following?
TLS Online TPP Program

#Question id: 10871

#Unit 10. Ecological Principles

Which of the following best describes the relationship between humans and dogs?
TLS Online TPP Program

#Question id: 7545

#General Aptitude

How long a train 150 meters long running at the speed of 108km/hr take to cross a bridge 186 meters in length?
TLS Online TPP Program

#Question id: 14753

#Unit 6. System Physiology – Plant

German scientist Adolf Fick discovered that the rate of diffusion is directly proportional to the concentration gradient (∆cs /∆x)—that is, to the difference in concentration of substance s (∆cs ) between two points separated by the distance ∆x. According to Fick’s first law,