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TLS Online TPP Program

#Question id: 14135

Which of the following statement is correct about PAM matrix? 

#I Life Science/ Life Sciences Group – I-V
  1. The PAM matrices were first constructed by Margaret Dayhoff
  2. PAM matrices with lower serial numbers are more suitable for aligning more closely related sequences.
  3. PAM stands for “point accepted mutation” 
  4. All of the above 
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TLS Online TPP Program

#Question id: 114

#SCPH05 I Biotechnology

Sphingosine is not a component of
TLS Online TPP Program

#Question id: 348

#SCPH05 I Biotechnology

Sulfur is in the same column of the periodic table as oxygen, but has electronegativity similar to carbon. Compared to water molecules, molecules of H2S will ________.
TLS Online TPP Program

#Question id: 15478

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

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 
TLS Online TPP Program

#Question id: 8927

#SCPH28 | Zoology

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that
TLS Online TPP Program

#Question id: 15998

#SCPH05 I Biotechnology

For culturing, plasma from the adult chicken is preferred to mammalian plasma because