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TLS Online TPP Program

#Question id: 11925

The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence?

#XL - R Botany
  1. cyanobacteria → green algae → land plants
  2. cyanobacteria → green algae → fungi → land plants
  3. red algae → brown algae → green algae → land plants
  4. red algae → cyanobacteria → land plants
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TLS Online TPP Program

#Question id: 1709

#XL - Q Biochemistry

What are the specialized cell type involved in the entry of lymphocytes into lymph nodes called?
TLS Online TPP Program

#Question id: 2927

#XL - T Zoology

Site-directed mutagenesis of Tyr-15 to Phe in cdc2:
TLS Online TPP Program

#Question id: 1055

#XL - T Zoology

What part of the E. coli T4 phage attaches to the host cell receptors?
TLS Online TPP Program

#Question id: 172

#XL - T Zoology

Which amino acid is least likely to participate in acid-base catalysis?
TLS Online TPP Program

#Question id: 3657

#XL - S Microbiology

Mutations in excision repair genes or a translesion DNA polymerase cause: