Answer Posted / komala

we can also identify by seeing the alignment.

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?

1992

---

What are the limitations of blotting techniques?

1053

---

Did integral membrane transport proteins arise as an independent protein class or from other types of proteins?

993

---

How did you get into the field of bioinformatics?

972

---

What is a homologue?

2283

---

How to find a sequence of dna molecule?

2105

---

A certain radioactive element A, has a half life = t seconds. In (t/2) seconds the fraction of the initial quantity of the element so far decayed is nearly how much?

2223

---

Describe the aim of microarray data analysis?

2429

---

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)

12914

---

What is the input and outpit of a distance based algorithm?

2326

---

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?

2323

---

Did shuffling of protein constituents occur between systems for multicomponent transport systems such as the atp-binding-cassette or complex protein secretion systems?

1093

---

How do you find the most recent human sequence data in the data bases inorder to determine physical maps?

2059

---

What are oesophageal molecular markers?

2120

---

Why do you think that bioinformatics is important?

1047

---