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Open
/ /
Exam 2025 Questions With Correct Answers
/ // // // // //
Insulin /
/injected /
/by /
/diabetics /
/to /
/control /
/blood /
/sugar /
/levels /
/is /
/derived /
/from /
/bacteria /
/whose /
/DNA /
/has /
/been /
/modified /
/by /
/the /
/addition /
/of /
/the /
/human /
/gene //for //insulin, //which //is //then //produced //by //the //prokaryotes. //This //is //an //example //of:
A. //acid //therapy.
B. //cloning.
,C. //genetic //engineering.
D. //gene //therapy.
E. //pluripotency. //- //correct //answer(s) //✔✔ //C. //genetic //engineering.
Isolated //RNA //molecules //are //generally //less //stable //than //DNA //at //physiological //pH //because:
A. //RNA //has //ribose.
B. //RNU //is //always //linear.
C. //RNA //has //U //instead //of //T.
D. //RNA //is //usually //single //stranded.
E. //there //are //many //more //RNAse //enzymes. //- //correct //answer(s) //✔✔ //A. //RNA //has //ribose.
Which //of //the //following //molecules //is //able //to //cross //the //lipid //bilayer?
A. //antibodies
B. //ATP
C. //insulin
D. //Na+
E. //steroid //hormones //- //correct //answer(s) //✔✔ //E. //steroid //hormones
If /
/the /
/rate /
/constant /
/of //a //first //order //reaction //that //converts //substrate //S //into //product //P //is //0.693 //min //-
1 //then //what //is //the //half //life //of //the //reaction?
A. //0.010 //min
, B. //0.346 //min
C. //0.693 //min
D. //1.000 //min
E. //1.440 //min //- //correct //answer(s) //✔✔ //D. //1.000 //min
The /
/local /
/swimming /
/pool /
/is /
/contaminated /
/with /
/an /
/organism /
/that /
/is /
/causing //"swimmers /
/itch." /
/You /
/think /
/you /
/have /
/identified /
/cyanobacteria /
/in //your //sample. //Which //features //would //you //expect //this //organism //to //LACK?
A. //chlorophyll
B. //cell //membrane
C. //differentiated //cell //types //such //as //spores, //vegetative //cells, //and //heterocysts
D. //nucleoid //region
E. //nucleolus //- //correct //answer(s) //✔✔ //E. //nucleolus
Open
/ /
Exam 2025 Questions With Correct Answers
/ // // // // //
Insulin /
/injected /
/by /
/diabetics /
/to /
/control /
/blood /
/sugar /
/levels /
/is /
/derived /
/from /
/bacteria /
/whose /
/DNA /
/has /
/been /
/modified /
/by /
/the /
/addition /
/of /
/the /
/human /
/gene //for //insulin, //which //is //then //produced //by //the //prokaryotes. //This //is //an //example //of:
A. //acid //therapy.
B. //cloning.
,C. //genetic //engineering.
D. //gene //therapy.
E. //pluripotency. //- //correct //answer(s) //✔✔ //C. //genetic //engineering.
Isolated //RNA //molecules //are //generally //less //stable //than //DNA //at //physiological //pH //because:
A. //RNA //has //ribose.
B. //RNU //is //always //linear.
C. //RNA //has //U //instead //of //T.
D. //RNA //is //usually //single //stranded.
E. //there //are //many //more //RNAse //enzymes. //- //correct //answer(s) //✔✔ //A. //RNA //has //ribose.
Which //of //the //following //molecules //is //able //to //cross //the //lipid //bilayer?
A. //antibodies
B. //ATP
C. //insulin
D. //Na+
E. //steroid //hormones //- //correct //answer(s) //✔✔ //E. //steroid //hormones
If /
/the /
/rate /
/constant /
/of //a //first //order //reaction //that //converts //substrate //S //into //product //P //is //0.693 //min //-
1 //then //what //is //the //half //life //of //the //reaction?
A. //0.010 //min
, B. //0.346 //min
C. //0.693 //min
D. //1.000 //min
E. //1.440 //min //- //correct //answer(s) //✔✔ //D. //1.000 //min
The /
/local /
/swimming /
/pool /
/is /
/contaminated /
/with /
/an /
/organism /
/that /
/is /
/causing //"swimmers /
/itch." /
/You /
/think /
/you /
/have /
/identified /
/cyanobacteria /
/in //your //sample. //Which //features //would //you //expect //this //organism //to //LACK?
A. //chlorophyll
B. //cell //membrane
C. //differentiated //cell //types //such //as //spores, //vegetative //cells, //and //heterocysts
D. //nucleoid //region
E. //nucleolus //- //correct //answer(s) //✔✔ //E. //nucleolus
