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Biology - Chapter 9 exam 2024/2025 with 100% correct answers $14.99   Add to cart

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Biology - Chapter 9 exam 2024/2025 with 100% correct answers

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  • Biology - Chapter 9
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  • Biology - Chapter 9

Which of the following is not a difference between RNA and DNA? a. RNA has ribose as it sugar, while DNA has deoxyribose. b. RNA is directly important in protein synthesis, while DNA stores genetic information for protein synthesis. c. RNA is single-stranded, while DNA is double-stranded. d....

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  • November 4, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Biology - Chapter 9
  • Biology - Chapter 9
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QUILLSKY
Biology - Chapter 9

Which of the following is not a difference between RNA and DNA?

a. RNA has ribose as it sugar, while DNA has deoxyribose.

b. RNA is directly important in protein synthesis, while DNA stores genetic information for protein
synthesis.

c. RNA is single-stranded, while DNA is double-stranded.

d. In RNA, cytosine binds with uracil, while in DNA, cytosine binds with guanine. correct answersd. In
RNA, cytosine binds with uracil, while in DNA, cytosine binds with guanine.



During transcription, messenger RNA is made from the information encoded with DNA.

a. True

b. False correct answersa. True



The promoter is the first part of a gene to be transcribed.

a. True

b. False correct answersb. False



During gene expression, this information flows from ______ to ______ to ______. correct answersDNA;
RNA; protein



The process of converting information in a gene to an RNA molecule is called ________________.
correct answerstranscription



Transcription produces a double-stranded helix of RNA.

a. True

b. False correct answersb. False



What does a poly-A tail do?

, a. removes exons from mRNA

b. remove introns from mRNA

c. allows a single gene to code for multiple versions of a protein

d. regulates mRNA's translation and stability correct answersd. regulates mRNA's translation and stability



CUU is an example of a(n) ____________. correct answerscodon



Which of the following is a "start" codon?

a. UAA

b. AUC

c. UAG

d. AUG correct answersd. AUG



When mRNA is translated, the order of its codons determines the order of amino acids in the resulting
polypeptide.

a. True

b. False correct answersa. True



The _________ components of a ribosome catalyze the formation of peptide bonds between amino
acids, which are brought to the ribosome by ________. correct answersrRNA; tRNA



In a eukaroytic cell, RNAs involved in translation are produced in the __________, then transported into
the ___________. correct answersnucleus; cytoplasm



Which type of RNA brings amino acids into the ribosome during translation?

a. rRNA

b. mRNA

c. snRNA

d. tRNA correct answersd. tRNA

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