Biology Chapter 12 Test.docx

Biology Chapter 12 Test.docx - Biology Chapter 12 TEST...

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Biology Chapter 12 TEST DNA/RNa Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following is a nucleotide found in RNA? a. ribose + phosphate group + thymine b. ribose + phosphate group + uracil c. deoxyribose + phosphate group + uracil d. deoxyribose + phosphate group + cytosine ____ 2. DNA replication results in two DNA molecules, a. each with two new strands. b. one with two new strands and the other with two original strands. c. each with one new strand and one original strand. d. each with two original strands. ____ 3. Unlike RNA, DNA contains a. adenine. c. phosphate groups. b. uracil. d. thymine. ____ 4. Which type(s) of RNA is(are) involved in protein synthesis? a. transfer RNA only b. messenger RNA only c. ribosomal RNA and transfer RNA only d. messenger RNA, ribosomal RNA, and transfer RNA ____ 5. How many codons are needed to specify six amino acids? a. 3 c. 9 b. 6 d. 12 ____ 6. Avery’s experiments showed that bacteria are transformed by a. RNA. c. proteins.
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