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TLS Online TPP Program

#Question id: 18637

The number of rooted trees (NR) for n taxa is ______

#I Life Science/ Life Sciences Group – I-V
  1. NR = (2n− 3)!/2n+2 (n− 2)!
  2. NR = (2n− 3)!/2n (n− 2)!
  3. NR = (2n− 3)!/2n−2 (n− 5)!
  4. NR = (2n− 3)!/2n−2 (n− 2)!
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TLS Online TPP Program

#Question id: 44

#SCPH28 | Zoology

The four covalent bonds in methane (CH4) are arranged around carbon to give which one of the following geometries?
TLS Online TPP Program

#Question id: 1400

#SCPH06 I Botany

Which property is shared by malignant tumor cells and transformed cells in culture?

a. reduced growth factor requirement                        b. attachment-dependent growth

c. loss of actin microfilaments                                    d. altered morphology
TLS Online TPP Program

#Question id: 17079

#SCPH28 | Zoology

The major disadvantages of using serum in the culture medium could be
TLS Online TPP Program

#Question id: 2606

#SCPH05 I Biotechnology

Activity of trp operon is taken as a measurement of ;
TLS Online TPP Program

#Question id: 2985

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

Use the figure to answer the question below. The unlettered circle at the top of the figure shows a diploid nucleus with four chromosomes that have not yet replicated. There are two pairs of homologous chromosomes, one long and the other short. One haploid set is black, and the other is gray. The circles labeled A to E show various combinations of these chromosomes. What is the correct chromosomal condition for one daughter nucleus at telophase of mitosis?