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TLS Online TPP Program

#Question id: 8717

Molecular clocks are more reliable when ________.

#XL - T Zoology
  1. the surrounding pH is close to 7.0
  2. most mutations of highly conserved DNA sequences should have no functional effect
  3. the DNA codes for amino acid sequences whose side groups (or R groups) have a neutral pH
  4. a significant proportion of mutations are not acted upon by natural selection
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TLS Online TPP Program

#Question id: 20118

#XL - P Chemistry

Compounds with high heat of formation are less stable because
TLS Online TPP Program

#Question id: 20119

#XL - P Chemistry

When a gas undergoes adiabatic expansion, it gets cooled due to
TLS Online TPP Program

#Question id: 20120

#XL - P Chemistry

For a reaction to occur spontaneously
TLS Online TPP Program

#Question id: 20121

#XL - P Chemistry

If for a given substance melting point is TB and freezing point is TA, then correct variation shown by graph between entropy change and temperature is
TLS Online TPP Program

#Question id: 20122

#XL - P Chemistry

A Beckmann thermometer is used to measure
TLS Online TPP Program

#Question id: 20123

#XL - P Chemistry

The calorific value of fat is ……….