List of top Bioinformatics Questions on Bioinformatics and Genomics

X-ray crystallography resolution depends primarily on:

Match List-I with List-II. List-I: A. Birds, B. Reptiles, C. Sponges, D. Bacteria. List-II: I. 4500 million nucleotide pairs, II. 100 million nucleotide pairs, III. 2 million nucleotide pairs, IV. 2000 million nucleotide pairs.

Given below are two statements: Assertion (A): Hidden Markov Model outperforms simple motif searches for gene prediction. Reason (R): Hidden Markov Model incorporates state transitions and probabilistic modelling.

Arrange the following X-ray crystallography workflow sequence: A. Record diffraction images, B. Build atomic model, C. Grow a crystal, D. Mount crystal and expose to X-rays, E. Solve phases and compute electron density.

Identify the correct sequence steps used by BLAST: A. A list of word of length 3 is made in the query sequence. B. Threshold step is repeated for each three-letter word in the query sequence. C. Sequence is optionally filtered to remove low complexity region. D. Threshold is selected to reduce the number of possible matches. E. Each database is scanned for exact match to one of the 50 words.

Hidden Markov model can be used for: A. Speech recognition, B. Natural language processing, C. Predicting weather, D. Hand writing recognition, E. Finance.

Arrange the given steps in BLAST procedure using a hypothetical Query in order of their occurrence. A. Calculate sum of match scores based on substitution matrix for the matched word, B. Find the database sequence corresponding to the best word match and extend alignment in both directions, C. Creation of every three residue words from the query sequence and scan them searching in BLAST word database, D. Determine high scored segment above threshold, E. Input query sequence.

Arrange the following steps for search in NCBI database: A. Determination of specific pieces of information, B. Creation of search item, C. Determining the type of data, D. Linking search term using Boolean, E. Determining the indexed field.

DNA microarray technique is typically not used for: A. Detection of m-RNA, B. Detection of t-RNA, C. Detection of r-RNA, D. Genotyping, E. Detects variant gene sequence limited to SNP.

BLAST stands for:

Which of the following statement regarding Innate immunity is wrong.
(A) The response time is minute to hours.
(B) The specificity of innate immunity is highly diverse.
(C) The major components of innate immunity are B cells and T cells.
(D) The major components of innate immunity are phagocytes.
Choose the correct answer from the options given below:

Which of the following statements are correct about photosynthesis
(A). Photosystem I has a greater number of a particular type of chlorophyll molecule called chlorophyll a
(B). Photosystem II is maximally activated at wavelengths shorter than 680 nm
(C). In photosystem I, NADPH is produced.
(D). Photosystem II is maximally activated at wavelengths larger than 680 nm
Choose the correct answer from the options given below:

Which of the following are components of lipid raft in plasma membrane

Siderophores are small polydentate ligands and have a high affinity for:

Which of the following statements regarding restriction enzymes used in recombinant DNA technology is correct