Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)

12853

An electron is injected into a region of uniform magnetic flux density with the components of velocity parallel to and normal to the flux. What is the path of the electron?

2398

Define perl and clustalW problem?

2390

Suppose you used the NCBI Blast server to look for a match to a fruit-fly gene. Suppose further that the best alignment contained this section of an alignment: Hit from database: XXXXXXXXXXXXXXNFSTSQ User sequence: SLEAEAAPASISPSNFSSSQ What do the Xs signify?

1932

Suppose the Blast search returned 100 hits. Of these, 17 were false positives and we knew that there were 165 sequences in the database which should have returned a hit with our sequence. How many false negatives were there, and what is the sensitivity and selectivity of Blast in this instance?

2287

What are the current challenges in the Pharmaceutical and biotechnology sectors?

2155

How the Algorithm works?

1956

What is C-compliator?

2380

How to identify common acc.numbers from among a set of files ?

2757

Describe the aim of microarray data analysis?

2374

What is the idea behind ?weighting? sequences in the package CLUSTAL W for multiple alignment? How are these weights calculated?

1996

What is enzyme-ligand interaction?

1952

Did bacteria, archaea, and eukaryotes exchange transporter genes appreciably during the past two billion years?

1079

How to find flanking region ?

2394

Why do you think that bioinformatics is important?

1001