Biology 151

BIOLOGY 151

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Examen

Biology 151 Exam II SDSU Questions And Answers
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junio 2025

2024/2025

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plasma membrane has selective permeability. what does that mean? - ANS The membrane can "choose" what goes in and out of the cell Phospholipids are amphipathic molecules. what does that mean to be amphipathic? - ANS it means they have a hydrophilic and hydrophobic region What is a fluid mosaic model? - ANS where the membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids. proteins can move laterally across the membrane What are...
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Examen

Biology 151 - Exam 2 Questions And Answers
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6

junio 2025

2024/2025

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Large numbers of ribosomes are present in cells that produce which of the following molecules? - ANS proteins What is an incorrect statement about the synthesis of polypeptides (proteins)? - ANS The synthesis of proteins is a catabolic process. What are constituents of the nucleus? - ANS Pores, envelope or membrane, chromosomes, chromatin Tissues that are metabolically active and utilize large amounts of energy would be rich in _____. - ANS mitochondria. ...
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Examen

Biology 151 Exam 2 help Questions And Answers
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5

junio 2025

2024/2025

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When a patient receives a transplant organ it must possess the same MHC markers as the patient's cells. If it does not the immune system will recognize it as foreign and attack the transplant organ. Which of the following membrane proteins is involved in organ rejection? - ANS identity Theoretically, because of the location of electron delivery in the ETC, each FADH2 produces ____ ATPs and each NADH produces _____ ATPs. - ANS 2,3 When coenzyme Q (a molecule in an electro...
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Examen

Biology 151 Exam 2 Quiz Questions And Answers
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4

junio 2025

2024/2025

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Alternate splicing does which of the following? - ANS Allows partly different proteins to be translated from a single transcript Why does DNA replication require the enzyme primate? - ANS Primase builds an RNA primer so that DNA polymerase has a free 3' end attach to nucleotides to. Which of the enzyme listed below cannot catalyze the formation or breakdown of phosphodiester linkages? - ANS Helicase Scientists have discovered how to put together a bacteriophag...
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Examen

Biology 151- Exam 2 Questions and Review Rated 100% !!!
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5

junio 2025

2024/2025

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large numbers of ribosomes are present in cells that produce what molecule? - ANS proteins which of the statements about synthesis of polypeptides is incorrect? - ANS the synthesis of proteins is a catabolic process which of the follow is not a constituent of the nucleus? - ANS ribosomes tissues that are metabolically active and utilize large amounts of energy would be rich in - ANS mitochondria which of the following is important for allowing large, c...
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Examen

bio 151 exam 2 Questions And Answers
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23

junio 2025

2024/2025

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reasons why cells divide (3) - ANS growth repair reproduction cell cycle (order of specific phases) - ANS interphase, prophase, prometaphase, metaphase, anaphase, telophase and cytokinesis what happens in mitosis - ANS -nuclear envelope division and cytokenesis interphase phases - ANS G1 S G2 what is happening in G1? - ANS growing, making more organelles checkpoint of G1 - ANS G1/S G2 - ANS protein synthesis and pre...
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