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TLS Online TPP Program

#Question id: 4335

Which of the following mutations would be most likely to have a harmful effect on an organism?

#SCPH01 Biochemistry

  1. a deletion of three nucleotides near the middle of a gene

  2. a single nucleotide deletion in the middle of an intron

  3. a single nucleotide deletion near the end of the coding sequence

  4. a single nucleotide insertion downstream of, and close to, the start of the coding sequence

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TLS Online TPP Program

#Question id: 2606

#SCPH01 Biochemistry

Activity of trp operon is taken as a measurement of ;
TLS Online TPP Program

#Question id: 9182

#SCPH06 I Botany

Imagine that a deep temperate zone lake did not turn over during the spring and fall seasons. Based on the physical and biological properties of limnetic ecosystems, what would be the difference from normal seasonal turnover?
TLS Online TPP Program

#Question id: 13036

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

In isoelectric focusing the protein will move until
TLS Online TPP Program

#Question id: 10975

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

A teenaged boy with numerous nosebleeds was referred to a physician for evaluation prior to a minor surgery. His prothrombin time (PT) was 11 sec (11–15 sec normal), partial thromboplastin time (PTT) was 58 sec (25–40 sec normal), and bleeding time was 6.5 min (2–7 min normal). Which of the following is most likely abnormal in this young man?
TLS Online TPP Program

#Question id: 820

#SCPH05 I Biotechnology

The protein unfolding  or protein denaturation is