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BIO 150 Unit 4 Question and answers 100 % CORRECT 2024 $13.49   Add to cart
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BIO 150 Unit 4 Question and answers 100 % CORRECT 2024
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BIO 150 Unit 4 Question and answers 100 % CORRECT 2024

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  • November 18, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 150 unit 4 question and answers 100 correct

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  • BIOL 150
  • BIOL 150

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BIO 150 Unit 4 Question and answers
100% correct ( 4 pgs)
What does a bacterial RNA polymerase produce when it transcribes a protein-
coding gene? - correct answer ✔mRNA


Where is the start codon located? - correct answer ✔at the downstream end
of the 5' untranslated region


Splicing begins: - correct answer ✔as transcription occurs


Compared with mRNAs that have a cap and a tail, predict what will be
observed when a eukaryotic mRNA lacks a cap and a poly(A) tail - correct
answer ✔Translation occurs inefficiently


RNases and proteases are enzymes that destroy RNAs and proteins,
respectively. Which of the following enzymes when added to a spliceosome is
predicted to prevent recognition of pre-mRNA regions critical for splicing? -
correct answer ✔an RNase specific for snRNAs


Some traits are considered vestigial because they existed long ago - correct
answer ✔False


Why does the presence of extinct forms and transitional features in the fossil
record support the pattern component of the theory of evolution by natural
selection? - correct answer ✔It supports the hypothesis that species change
over time


Traits that are derived from a common ancestor, like the bones of human
arms and bird wings, are said to be ___ - correct answer ✔homologous

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