Biology Fsc Part 1 Chapter 7 Online Test With Answers

Biology Fsc Part 1 Chapter 7 Online Test

Sr. # Questions Answers Choice
1 The limiation of homology modeling is Depends on protein function  Only specific for carbohydrates Requires a template struture with maximum similarities None of above
2 Orthology differ from paraalogs in  Orthologs arie from speciation paralogs from gene duplication Orthoogs arise form gene duplication and paralogs frm specieation  Orthologs have idential genetic sequence Both a and c
3 A researcher is studying a newly discoverec protin. Linked to a rare diseaes. The protein's sequene shows no match inBLAST, the next possible step is Modigy protin sequenfe Check for struutal homology using PDB Reanalyze the protin struture  Gofor x -ray crystallography
4 the biologist compare proteins sturtures to unknown genes. To assign possibel functions To study novel proteins To discover drugs To make an act
5 Which bioinforamtics tools acts like a Google Search for DNA sequences. Photoshop BLAST PDB Excel
6 The tool used for sequene salignemnt in bioinformatics FASTA PDB Gen Bank Ensembl
7 If two proteins have strutural homology what can be inferred. They likely share functional similarities They have identical DNA sequences They share orthologs Does not give clue about unknown gene
8 How does strutual homology helps in drug designing. By identifying similar protein structures for targeted drug binding. By idntify homologus genes By providing aninsight into evolutionary relationships of genes By gene sequencing
9 Human histone H1,1 and Chimpanzee histone H1,1 are. Ortholog Paralog Metalog Algorithm
10 Human histone HI,` and Human histone H1,2 are. Paralog Ortholog Metalog Both a and b
11 Ortholgs are. Genes in same species Humanhistone H1,1 and H1,2 Sequences in different species Arise from same ancestralgene
12 What is sequence homology. Similarity in sequences due to shared ancestry 3D-strutre of proteins due to shared ancestry Large scale study of proteins none of above
13 A researcher wants to search protein and nucleotide databases to identify sequee homology , which one is most approrjate to study. Uni Port KB FASTA Gen Bank Swiss port
14 Which one of the following is a sequene alignemnt tool that compares a query sequence to a database of sequences. FASTA BLAST BEMBL PDB
15 A genome browser prividing infomation on genome sequenes, gene models and comparatie genomics for various species is. Ensembl Gen Bank FASTA BLAST
16 The database of nuclelotid sequences and supporting bibliographic annotations is. Gen Bank FASTA BLAST PDB
17 Whcih data base stores 3D strutures of macromolecules. PDB Ensembl GenBank BLAST
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