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TLS Online TPP Program

#Question id: 4952

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?

#SCPH28 | Zoology

  1. How can amino acids, simple sugars, and nucleotides be synthesized abiotically?

  2. How can RNA molecules catalyze reactions?

  3. How did RNA sequences come to carry the code for amino acid sequences?

  4. How could polymers involving lipids and/or proteins form membranes in aqueous environments?

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TLS Online TPP Program

#Question id: 17075

#SCPH28 | Zoology

What are the disadvantages of using polyclonal antibodies?
TLS Online TPP Program

#Question id: 17076

#SCPH01 Biochemistry

The various advantages of serum-free media could be
1. Improved reproducibility of results from different laboratories
2. Easier downstream processing of products from cultured cells
3. Biassays are free from interference due to serum proteins
4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures
Which of the statements are true?
TLS Online TPP Program

#Question id: 17076

#SCPH06 I Botany

The various advantages of serum-free media could be
1. Improved reproducibility of results from different laboratories
2. Easier downstream processing of products from cultured cells
3. Biassays are free from interference due to serum proteins
4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures
Which of the statements are true?
TLS Online TPP Program

#Question id: 17076

#SCPH28 | Zoology

The various advantages of serum-free media could be
1. Improved reproducibility of results from different laboratories
2. Easier downstream processing of products from cultured cells
3. Biassays are free from interference due to serum proteins
4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures
Which of the statements are true?
TLS Online TPP Program

#Question id: 17077

#SCPH01 Biochemistry

Cells lacking Thymidine kinase if introduced into HAT medium which pathways will continue for nucleotide synthesis
TLS Online TPP Program

#Question id: 17077

#SCPH06 I Botany

Cells lacking Thymidine kinase if introduced into HAT medium which pathways will continue for nucleotide synthesis