Practice Questions

TLS Online TPP Program

#Question id: 4140

Which of the following statements about bacterial mRNA is true?

#Section 3: Genetics, Cellular and Molecular Biology

A ribosome usually initiates translation near the end of the mRNA that is synthesized last.
An mRNA is never degraded but is passed on to the daughter cells at cell division.
During polypeptide synthesis, ribosomes move along the mRNA in the direction 5'  3'.
Ribosomes cannot initiate internally in a polycistronic transcript.

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TLS Online TPP Program

#Question id: 15113

#Section 1: Engineering Mathematics

Eigen values of matrix

TLS Online TPP Program

#Question id: 15114

#Section 1: Engineering Mathematics

The eigen values of

TLS Online TPP Program

#Question id: 15137

#Section 6: Plant, Animal and Microbial Biotechnology

Most mitochondrial proteins however, are manufactured under the direction of the nucleus. Mitochondria reproduce by

TLS Online TPP Program

#Question id: 15138

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

Match the items in group 1 with an appropriate description in group 2.

Group 1 Group 2

(P) SWISS PROT (1) derived protein structure database

(Q) Local alignment (2) protein sequence database

(R) CATH (3) GAP

(S) Global alignment (4) Smith–Waterman algorithm

TLS Online TPP Program

#Question id: 15139

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

Which one of the following is NOT a structure or structurally derived database?

TLS Online TPP Program

#Question id: 15140

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

Two types of pair-wise sequence alignment of the same hypothetical protein sequence fragments are illustrated in the figure below. Vertical bars between the sequences indicate the presence of identical amino acids. * symbols in Figure Y indicate residues not included in the alignment.

Which one of the following is correct?