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TLS Online TPP Program

#Question id: 4949

What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?

#SCPH06 I Botany

  1. DNA is chemically more stable and replicates with fewer errors (mutations) than RNA.

  2. Only DNA can replicate during cell division.

  3. RNA is too involved with translation of proteins and cannot provide multiple functions.

  4. DNA forms the rod-shaped chromosomes necessary for cell division.

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TLS Online TPP Program

#Question id: 5529

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

In humans, organogenesis in the embryo is basically accomplished by the end of which period of the pregnancy?
TLS Online TPP Program

#Question id: 5529

#SCPH06 I Botany

In humans, organogenesis in the embryo is basically accomplished by the end of which period of the pregnancy?
TLS Online TPP Program

#Question id: 5529

#SCPH28 | Zoology

In humans, organogenesis in the embryo is basically accomplished by the end of which period of the pregnancy?
TLS Online TPP Program

#Question id: 5530

#SCPH01 Biochemistry

 The cavity inside the blastula is called the
TLS Online TPP Program

#Question id: 5530

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

 The cavity inside the blastula is called the
TLS Online TPP Program

#Question id: 5530

#SCPH06 I Botany

 The cavity inside the blastula is called the