Practice Questions

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#Question id: 1847

Which of the following statements is TRUE of DNA vaccines?

#Section 2: General Biology

DNA vaccines are relatively poor at stimulating cytotoxic T-lymphocyte responses in mice
DNA vaccines must be administered on gold particles if they are to be effective
DNA vaccines are only effective if followed by a protein boost
DNA vaccines can have distinct advantages when preparing subunit vaccines against viruses that frequently alter their antigens

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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?

TLS Online TPP Program

#Question id: 15141

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

An alignment of two protein sequences is given below:

Sequence A A G A A C D E V I G

Sequence B A G E Y C D A V I G

The similarity score (%) for the above alignment will be:

TLS Online TPP Program

#Question id: 15142

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

Dot matrix analysis of the amino acid sequences of lambda phage cI (horizontal sequence) and phage P22 c2 (vertical sequence) repressors is shown below. Which one of the following is correct?

TLS Online TPP Program

#Question id: 15143

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

Which one of the following is a depiction of the GenBank sequence entry format?

TLS Online TPP Program

#Question id: 15167

#Section 6: Plant, Animal and Microbial Biotechnology

Bacteria on fish caught in the Arctic Ocean would