TLS Online TPP Program

#Question id: 14159


Which of the following statement is not a benefit of FASTA over BLAST?

#I Life Science/ Life Sciences Group – I-V
  1. FASTA scans smaller window sizes.
  2. FASTA gives more sensitive results than BLAST
  3. FASTA is usually slower than BLAST
  4. FASTA identifies identical matching words using the hashing procedure while BLAST uses a substitution matrix to find matching words.
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TLS Online TPP Program

#Question id: 8701

#SCPH28 | Zoology

The question refers to the following table, which compares the percent sequence homology of four different parts (two introns and two exons) of a gene that is found in five different eukaryotic species. Each part is numbered to indicate its distance from the promoter (for example, Intron I is the one closest to the promoter). The data reported for species A were obtained by comparing DNA from one member of species A to another member of species A.


Based on the tabular data, and assuming that time advances vertically, which phylogenetic tree is the most likely depiction of the evolutionary relationships among these five species?

TLS Online TPP Program

#Question id: 1713

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

The paracortical area of a lymph node comprises mainly:

TLS Online TPP Program

#Question id: 3627

#SCPH28 | Zoology

A cross is made between two plants with white flowers. All the F1 progeny had red colored flower. This is because of

TLS Online TPP Program

#Question id: 15008

#SCPH12 I Genetics

You have a white eyed, male fruit fly with vestigial wings and a wild type female known to be heterozygous for both traits. You know that vestigial is located on an autosome. What is the probability that a mating between these two flies will generate a female offspring with vestigial wings and white eyes?

TLS Online TPP Program

#Question id: 15236

#SCPH28 | Zoology

Polyacrylamide gels are formed from the polymerisation of acrylamide monomer in the presence of
A) Agarose
B) TEMED
C) APS
D) bis-acrylamide