Problems

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Problems: 228 (total), users: 20673, attempts: 337334, correct: 195855
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 13057
RNA Transcribing DNA into RNA 11591
REVC Complementing a Strand of DNA 10569
FIB Rabbits and Recurrence Relations 5226
GC Computing GC Content 6454
HAMM Counting Point Mutations 7343
IPRB Mendel's First Law 3635
PROT Translating RNA into Protein 5525
SUBS Finding a Motif in DNA 5821
CONS Consensus and Profile 3391
FIBD Mortal Fibonacci Rabbits 2351
GRPH Overlap Graphs 2813
IEV Calculating Expected Offspring 2251
LCSM Finding a Shared Motif 2335
LIA Independent Alleles 1161
MPRT Finding a Protein Motif 1323
MRNA Inferring mRNA from Protein 2247
ORF Open Reading Frames 1680
PERM Enumerating Gene Orders 3584
PRTM Calculating Protein Mass 2790
REVP Locating Restriction Sites 1978
SPLC RNA Splicing 1987
LEXF Enumerating k-mers Lexicographically 2013
LGIS Longest Increasing Subsequence 705
LONG Genome Assembly as Shortest Superstring 873
PMCH Perfect Matchings and RNA Secondary Structures 686
PPER Partial Permutations 1149
PROB Introduction to Random Strings 1099
SIGN Enumerating Oriented Gene Orderings 1351
SSEQ Finding a Spliced Motif 1268
TRAN Transitions and Transversions 1094
TREE Completing a Tree 1114
CAT Catalan Numbers and RNA Secondary Structures 272
CORR Error Correction in Reads 591
INOD Counting Phylogenetic Ancestors 842
KMER k-Mer Composition 935
KMP Speeding Up Motif Finding 862
LCSQ Finding a Shared Spliced Motif 626
LEXV Ordering Strings of Varying Length Lexicographically 1186
MMCH Maximum Matchings and RNA Secondary Structures 353
PDST Creating a Distance Matrix 661
REAR Reversal Distance 398
RSTR Matching Random Motifs 467
SSET Counting Subsets 828
ASPC Introduction to Alternative Splicing 500
EDIT Edit Distance 499
EVAL Expected Number of Restriction Sites 368
MOTZ Motzkin Numbers and RNA Secondary Structures 188
NWCK Distances in Trees 351
SCSP Interleaving Two Motifs 271
SETO Introduction to Set Operations 662
SORT Sorting by Reversals 311
SPEC Inferring Protein from Spectrum 564
TRIE Introduction to Pattern Matching 376
CONV Comparing Spectra with the Spectral Convolution 360
CTBL Creating a Character Table 189
DBRU Constructing a De Bruijn Graph 357
EDTA Edit Distance Alignment 359
FULL Inferring Peptide from Full Spectrum 279
INDC Independent Segregation of Chromosomes 297
ITWV Finding Disjoint Motifs in a Gene 124
LREP Finding the Longest Multiple Repeat 243
NKEW Newick Format with Edge Weights 243
RNAS Wobble Bonding and RNA Secondary Structures 201
AFRQ Counting Disease Carriers 241
CSTR Creating a Character Table from Genetic Strings 141
CTEA Counting Optimal Alignments 127
CUNR Counting Unrooted Binary Trees 141
GLOB Global Alignment with Scoring Matrix 251
PCOV Genome Assembly with Perfect Coverage 275
PRSM Matching a Spectrum to a Protein 217
QRT Quartets 114
SGRA Using the Spectrum Graph to Infer Peptides 182
SUFF Encoding Suffix Trees 168
CHBP Character-Based Phylogeny 80
CNTQ Counting Quartets 77
EUBT Enumerating Unrooted Binary Trees 61
GASM Genome Assembly Using Reads 155
GCON Global Alignment with Constant Gap Penalty 170
LING Linguistic Complexity of a Genome 99
LOCA Local Alignment with Scoring Matrix 173
MEND Inferring Genotype from a Pedigree 125
MGAP Maximizing the Gap Symbols of an Optimal Alignment 96
MREP Identifying Maximal Repeats 89
MULT Multiple Alignment 96
PDPL Creating a Restriction Map 101
ROOT Counting Rooted Binary Trees 130
SEXL Sex-Linked Inheritance 181
SPTD Phylogeny Comparison with Split Distance 93
WFMD The Wright-Fisher Model of Genetic Drift 144
ALPH Alignment-Based Phylogeny 56
ASMQ Assessing Assembly Quality with N50 and N75 128
CSET Fixing an Inconsistent Character Set 67
EBIN Wright-Fisher's Expected Behavior 121
FOUN The Founder Effect and Genetic Drift 115
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 152
GREP Genome Assembly with Perfect Coverage and Repeats 91
OAP Overlap Alignment 72
QRTD Quartet Distance 45
SIMS Finding a Motif with Modifications 92
SMGB Semiglobal Alignment 72
KSIM Finding All Similar Motifs 31
LAFF Local Alignment with Affine Gap Penalty 90
OSYM Isolating Symbols in Alignments 52
RSUB Identifying Reversing Substitutions 48