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TLS Online TPP Program

#Question id: 3263

From an evolutionary point of view, plant tendrils derived from leaves and those derived from stems are examples of

#SCPH06 I Botany

  1. analogous structures resulting from convergence only

  2. homologous structures resulting from convergence only

  3. analogous structures resulting from divergence only

  4. homologous structures resulting from divergence only

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TLS Online TPP Program

#Question id: 14728

#SCPH06 I Botany

A student appears for tests I, II and III. The student is successful if he passes either in tests I and II or tests I and III. The probabilities of the student passing in tests I, II and III are p, q and 1/2 respectively. If the probability that the student is successful is 1/2. Then
TLS Online TPP Program

#Question id: 79

#SCPH01 Biochemistry

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?
TLS Online TPP Program

#Question id: 449

#SCPH06 I Botany

The standard free-energy changes for the reactions below are given. Phosphocreatine -> creatine + Pi DG'° = –43.0 kJ/mol ATP ->  ADP + Pi DG'° = –30.5 kJ/mol What is the overall DG'° for the following reaction? Phosphocreatine + ADP -> creatine + ATP
TLS Online TPP Program

#Question id: 4161

#SCPH05 I Biotechnology

The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.
TLS Online TPP Program

#Question id: 1425

#SCPH06 I Botany

During metastasis, cells may undergo an epithelial-to-mesenchymal transition whereby there is a(n):