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UMUC BIOL350 FINAL EXAM 2015 LATEST DECEMBER
Category : Biology
Posted on 12/16/2015 at 8:52:07 AM
 
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UMUC BIOL350 FINAL EXAM 2015 LATEST DECEMBER
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Posted on 12/16/2015 at 8:52:07 AM
 
Posted By : Bestmind
   
 
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1. The monomer unit of DNA is: a. an amino acid b. a nucleotide c. a fatty acid d. glucose 2. Disulfide bridges are a type of covalent bond critical to maintaining the 3dimensional shape of proteins. The amino acid involved in disulfide bridge formation is: a. tyrosine b. arginine c. cysteine d. glutamic acid 3. Sister chromatids form: a. during G1 b. during G2 c. during S phase d. during M phase 4. In a cell containing 10 chromosomes, mitosis results in the formation of daughter cells containing __________ chromosomes. a. 5 b. 10 c. 20 d. 40 5. Mutant Ras proteins, which are found in many cancer cells, cannot hydrolyze their bound GTP to GDP, and therefore, a. cannot turn themselves on b. cannot turn themselves off c. cannot be degraded 6. Checkpoints during the cell cycle process allow cells to: a. detect DNA damage b. detect improper spindle formation during mitosis c. check for unreplicat

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