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2011 Practice Exam Ic

2011 Practice Exam Ic - UNIT I EXAM FORM A BSC 2011 SECTION...

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UNIT I EXAM - FORM A BSC 2011 - SECTION 03 FALL 2007 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 2) Thymine makes up 12% of the nucleotides in a sample of DNA from an organism. Approximately, what percentage of the nucleotides in this sample will be cytosine? A) 38 B) 12 C) 24 D) 31 E) It cannot be determined from the information provided. 2) 3) The cortical reaction functions directly in the ________. 3) 6) A frameshift mutation could result from _____. 6) 1
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7) Which of the following is not true of cell communication systems? 7) 10) Which of the following statements concerning a eukaryotic chromosome is false ? A) It consists of a single linear molecule of double-stranded DNA. B) It has nucleosomes that both package DNA and help regulate gene expression. C) It is composed of DNA and protein. D) The number of genes on each chromosome is different in different cell types. E) Active transcription occurs on euchromatin. 10) 11) "Genomic equivalence" refers to the _____. 11) 12) The process of cellular differentiation is a direct result of _____. 12) 2
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