TLS Online TPP Program

#Question id: 134


Ultraviolet (UV) light can be used to estimate protein solution concentrations because

#Section 2: General Biology
  1. phenylalanine absorbs at 260 nm.

  2. all the amino acids absorb UV light.

  3. aromatic amino acids absorb at 280 nm.

  4. tryptophan and tyrosine absorb at 280 nm.

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TLS Online TPP Program

#Question id: 14114

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

‘A laboratory, where drugs, chemicals, and other types of biological matter can be analysed and tested by using various liquids’ is called 

TLS Online TPP Program

#Question id: 14115

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which one of the following is a database of protein sequence motifs?

TLS Online TPP Program

#Question id: 14116

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following statements are CORRECT when a protein sequence database is searched using the BLAST algorithm? 
P. A larger E-value indicates higher sequence similarity 
Q. E-value < 10^-10 indicates sequence homology 
R. A higher BLAST score indicates higher sequence similarity 
S. E-value > 10^10 indicates sequence homology 

TLS Online TPP Program

#Question id: 14117

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Identify the character based method used for the construction of a phylogenetic tree. 
P. Maximum parsimony 
Q. Neighbor joining 
R. Maximum likelihood 
S. Bootstrapping

TLS Online TPP Program

#Question id: 14118

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Identify the file format given below:
>KX580312.1 Homo sapiens truncated breast cancer 1 (BRCA1) gene, exon 15 and partial cds
GTCATCCCCTTCTAAATGCCCATCATTAGATGATAGGTGGTACATGCACAGTTGCTCTGGGAGTCTTCAG
AATAGAAACTACCCATCTCAAGAGGAGCTCATTAAGGTTGTTGATGTGGAGGAGTAACAGCTGGAAGAGT
CTGGGCCACACGATTTGACGGAAACATCTTACTTGCCAAGGCAAGATCTAG

TLS Online TPP Program

#Question id: 14119

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is incorrect regarding sequence homology?