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Exam (elaborations)

Biology 104: Exam 1 Practice Test questions and answers

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  • Biology 104
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  • Biology 104

Biology 104: Exam 1 Practice Test questions and answers 1. In a water molecule (H2O), the oxygen atom: -Correct Answer-B) carries a partial negative charge 2. Which domains of life include prokaryotic cells? -Correct Answer-B) Bacteria and Archaea 4. What is a hydrogen bond? -Correct Answer-...

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  • August 6, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • what is a hydrogen bond
  • Biology 104
  • Biology 104
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Biology 104: Exam 1 Practice Test
questions and answers
1. In a water molecule (H2O), the oxygen atom: -Correct Answer-B) carries a partial negative charge



2. Which domains of life include prokaryotic cells? -Correct Answer-B) Bacteria and Archaea



4. What is a hydrogen bond? -Correct Answer-B) An attraction between partial positive and negative
charges



5. Thepromoterofagenedetermines: -Correct Answer-B) where transcription will begin



7. Of the structures listed below, what is the smallest structure that has all the properties of life? -
Correct Answer-C) Cell



9. The overall three-dimensional shape of a single polypeptide chain is called its: -Correct Answer-D)
tertiary structure



10. What parts of a nucleotide can form a phosphodiester bond with one another? -Correct Answer-C)
The 5' phosphate group and the 3' hydroxyl group



11. When a pre-mRNA molecule is spliced to produce a mature mRNA molecule, the sequences that are
spliced together and retained in the mature mRNA are called: -Correct Answer-D) exons



12.An atom is most stable (and least chemically reactive) when: -Correct Answer-D) its valence shell is
full



13. The coding (nontemplate) strand of a portion of a gene has the sequence 5'-AAGCGTGTTGC-3'. What
is the sequence of the mRNA molecule that will be produced based on the information in this DNA
molecule? -Correct Answer-C) 5'-AAGCGUGUUGC-3'

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