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BIO 181 Exam 2 Actual Exam 2025 (ASU) | Updated Questions and Correct Answers | Graded A+ | Verified Answers | Just Released

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This document is a comprehensive guide for students preparing for the BIO 181 Exam 2 at Arizona State University (ASU) in 2025. It offers updated questions and verified correct answers, promising a thorough understanding of the subject matter for students aiming for an A+ grade. The content covers various essential biological concepts, with a focus on cellular processes, metabolism, and the immune system, providing detailed insights into each topic. The document delves into the Calvin-Benson cycle, explaining how ATP, NADPH + H+, and carbon dioxide are utilized to synthesize carbohydrates. It highlights the role of the thylakoid membranes in the antenna system and identifies Rubisco as the most abundant protein globally. Additionally, it explores protein synthesis, outlining the transition from nucleotides to amino acids, and describes the mRNA maturation process, specifically the removal of introns.

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BIO 181 Exam 2 Actual Exam 2025 (ASU) |
Updated Questions and Correct Answers |
Graded A+ | Verified Answers | Just
Released

The Calvin-Benson cycle takes in [x] and [y] from the light reaction and also [z] to
make carbohydrates. ---------CORRECT ANSWER-----------------ATP, NADPH + H+,
Carbon Dioxide




The antenna system is in the _________ membranes. ---------CORRECT ANSWER---
--------------Thylakoid




The most abundant protein in the world is called __________. ---------CORRECT
ANSWER-----------------Rubisco




Protein synthesis changes from the language of [x] to the language of [y]. ---------
CORRECT ANSWER-----------------Nucleotides, Amino acids




During mRNA maturation what is the name of the part of the mRNA that is
removed? ---------CORRECT ANSWER-----------------Intron

, In the ribosome, what pairs with the codon? ---------CORRECT ANSWER---------------
--Anticodon




Assume that you have a eukaryotic cell with three chromosomes within it. How
many 5' ends would there be? ---------CORRECT ANSWER-----------------Gap 1: 6,
Gap 2: 12




Which nucleotide is different in RNA compared to DNA? ---------CORRECT
ANSWER-----------------Uradine




There are two types of protein synthesis in eukaryotic cells. These two types can
be distinguished because the polyribosome is either or . ---------CORRECT
ANSWER-----------------Free, or membrane-bound polyribosome




Which enzyme is used first to permit DNA polymerase III to begin replicating the
3' strand? ---------CORRECT ANSWER-----------------Primase




In eukaryotic cells the start codon for protein synthesis is . ---------CORRECT
ANSWER-----------------AUG or Methionine

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