Cell //
& /
Molecular
/ /
Biology
/ /
Exam 1 Questions With Correct Answers
/ // // // // //
Base /
/pair //- /
/CORRECT /
/ANSWERS(S)✔✔Two /
/complementary /
/nucleotides //in //an //RNA //and //a //DNA //molecule //that //are //held //together //by //hydrogen //bonds.
Cell /
/cycle //- /
/CORRECT /
/ANSWERS(S)✔✔The /
/orderly /
/sequence //of //events //by //which //a //cell //duplicates //its //contents //and //divides //into //two.
Centromere //- /
/CORRECT /
/ANSWERS(S)✔✔Specialized /
/DNA /
/sequence //that //allows //duplicated //chromosomes //to //be //separated //during //M //phase; //can //be
//seen //as //the //constricted //region //of //a //mitotic //chromosome.
Chromatin //- /
/CORRECT /
,/ANSWERS(S)✔✔Complex /
/of //DNA //and //proteins //that //makes //up //the //chromosomes //in //a //eukaryotic //cell.
Chromatin-
remodeling /
/complex //- /
/CORRECT /
/ANSWERS(S)✔✔Enzyme /
/that /
/uses /
/the /
/energy /
/of /
/ATP /
/hydrolysis /
/to /
/alter /
/the /
/arrangement /
/of /
/nucleosomes /
/in /
/eukaryotic /
/chromosomes, /
/changing /
/the /
/accessibility /
/of //the //underlying //DNA //to //other //proteins, //including //those //involved //in //transcription.
Chromosome //- /
/CORRECT //ANSWERS(S)✔✔Long, //threadlike //structure //composed //of //DNA //and //proteins //that
//carries /
/the /
/genetic /
/information /
/of /
, /an /
/organism; /
/becomes //visible //as //a //distinct //entity //when //a //plant //or //animal //cell //prepares //to //divide.
Complementary //- /
/CORRECT /
/ANSWERS(S)✔✔Describes /
/two /
/molecular /
/surfaces //that //fit //together //closely //and //form //noncovalent //bonds //with //each //other.
Deoxyribonucleic //acid //(DNA) //- //CORRECT //ANSWERS(S)✔✔Double-
stranded /
/polynucleotide /
/formed /
/from /
/two /
/separate /
/chains /
/of /
/covalently /
/linked /
/deoxyribonucleotide /
/units. /
/It /
/serves /
/as /
/the /
/cell's //store //of //genetic //information //that //is //transmitted //from //generation //to //generation.
Double /
/helix //- /
/CORRECT /
/ANSWERS(S)✔✔The /
/typical /
& /
Molecular
/ /
Biology
/ /
Exam 1 Questions With Correct Answers
/ // // // // //
Base /
/pair //- /
/CORRECT /
/ANSWERS(S)✔✔Two /
/complementary /
/nucleotides //in //an //RNA //and //a //DNA //molecule //that //are //held //together //by //hydrogen //bonds.
Cell /
/cycle //- /
/CORRECT /
/ANSWERS(S)✔✔The /
/orderly /
/sequence //of //events //by //which //a //cell //duplicates //its //contents //and //divides //into //two.
Centromere //- /
/CORRECT /
/ANSWERS(S)✔✔Specialized /
/DNA /
/sequence //that //allows //duplicated //chromosomes //to //be //separated //during //M //phase; //can //be
//seen //as //the //constricted //region //of //a //mitotic //chromosome.
Chromatin //- /
/CORRECT /
,/ANSWERS(S)✔✔Complex /
/of //DNA //and //proteins //that //makes //up //the //chromosomes //in //a //eukaryotic //cell.
Chromatin-
remodeling /
/complex //- /
/CORRECT /
/ANSWERS(S)✔✔Enzyme /
/that /
/uses /
/the /
/energy /
/of /
/ATP /
/hydrolysis /
/to /
/alter /
/the /
/arrangement /
/of /
/nucleosomes /
/in /
/eukaryotic /
/chromosomes, /
/changing /
/the /
/accessibility /
/of //the //underlying //DNA //to //other //proteins, //including //those //involved //in //transcription.
Chromosome //- /
/CORRECT //ANSWERS(S)✔✔Long, //threadlike //structure //composed //of //DNA //and //proteins //that
//carries /
/the /
/genetic /
/information /
/of /
, /an /
/organism; /
/becomes //visible //as //a //distinct //entity //when //a //plant //or //animal //cell //prepares //to //divide.
Complementary //- /
/CORRECT /
/ANSWERS(S)✔✔Describes /
/two /
/molecular /
/surfaces //that //fit //together //closely //and //form //noncovalent //bonds //with //each //other.
Deoxyribonucleic //acid //(DNA) //- //CORRECT //ANSWERS(S)✔✔Double-
stranded /
/polynucleotide /
/formed /
/from /
/two /
/separate /
/chains /
/of /
/covalently /
/linked /
/deoxyribonucleotide /
/units. /
/It /
/serves /
/as /
/the /
/cell's //store //of //genetic //information //that //is //transmitted //from //generation //to //generation.
Double /
/helix //- /
/CORRECT /
/ANSWERS(S)✔✔The /
/typical /
