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TLS Online TPP Program

#Question id: 8924

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?
1. Protostomes invade terrestrial environments.
2. Cambrian explosion occurs.
3. Deuterostomes invade terrestrial environments.
4. Vertebrates become top predators in the seas.

#XL - R Botany
  1. 2 → 4 → 3 → 1
  2. 2 → 1 → 4 → 3
  3. 2 → 4 → 1 → 3
  4. 2 → 3 → 1 → 4
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TLS Online TPP Program

#Question id: 12685

#XL - S Microbiology

The polarities of the two strands of the molecule are in opposite direction and thus DNA is described as ________
TLS Online TPP Program

#Question id: 20138

#XL - P Chemistry

Number of waves made by a Bohr electron in one complete revolution in its fourth orbit is
TLS Online TPP Program

#Question id: 1542

#XL - S Microbiology

function of  calprotectin?
TLS Online TPP Program

#Question id: 20217

#XL - P Chemistry

In which of the following molecule double bond possesses two bispace bond ?
TLS Online TPP Program

#Question id: 761

#XL - Q Biochemistry

In a DNA double helix each type of base forms a stable base pair with only one type of base. When bases on an RNA strand are involved in base pairing, which bases can form stable base pairs with more than one type of base?