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BIOLOGY 151 FINAL EXAM QUESTIONS AND ANSWERS 2026 VERIFIED.
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10

mei 2026

2025/2026

A+
BIOLOGY 151 FINAL EXAM QUESTIONS AND ANSWERS 2026 VERIFIED.
Fyndlay
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BIOLOGY 151 FINAL EXAM QUESTIONS AND ANSWERS 2026 VERIFIED.
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47

mei 2026

2025/2026

A+
BIOLOGY 151 FINAL EXAM QUESTIONS AND ANSWERS 2026 VERIFIED.
Fyndlay
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Bio 151 Exam 2 Review Questions And Answers
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7

juni 2025

2024/2025

A+
Which of the following statements best describes the mechanism by which the ced-9 protein in the nematode C. elegans prevents apoptosis in normal cells? - ANS Active Ced9 prevents activation of Ced3 A loss of function of Apaf1, the human equivalent of ced-4 in C. elegans, is most likely to result in which of the following? - ANS a form of cancer in which normal apoptosis fails As mentioned in the lecture, both excessive and insufficient apoptosis can cause problems. If scie...
DocLaura
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BIO 151 Exam 2 Study Guide (Ch. 36) Questions And Answers
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3

juni 2025

2024/2025

A+
Define osmosis and water potential. Explain how water potential is measured. - ANS Osmosis = diffusion of water through a selectively permeable membrane Water potential: a measurement that combines the effects of solute concentration and pressure. • Water potential determines the direction of movement of water. • Water flows from regions of higher water potential to regions of lower water potential. • Potential refers to water's capacity to perform work. Measured in mega...
DocLaura
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Bio 151 exam 2, Seth Blair, 2025-2026 Questions And Answers
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10

juni 2025

2024/2025

A+
Alternate splicing does which of the following - ANS Allows partly different proteins to be translated from a single transcript In analyzing the number of different bases in a single-stranded messenger RNA, which rule is correct A + U = G + C A + T = C + U None of the other answers are correct. A = G - ANS None of the other answers are correct The role of snRNA is to - ANS help splice out introns from DNA Why does DNA replication require the enzyme primase -...
DocLaura
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Bio 151, Exam 2 Big Concepts, Yahn&Blair, UW Madison, 2025
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9

juni 2025

2024/2025

A+
Gene Expression - ANS controlling what proteins to make or skip Prokaryotic gene expression - ANS should we make mRNA or not(simple) Eukaryotic gene expression - ANS many steps to control; transcribe rna; exit nucleus; transport mRNA to ribosome; etc. Promoter - ANS specific nucleotides that are recognized and bound by proteins transcription factors - ANS Collection of proteins that mediate the binding of RNA polymerase and the initiation of tr...
DocLaura
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Bio 151 exam 2, Seth Blair, 2025 Questions And Answers
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10

juni 2025

2024/2025

A+
natural selection - ANS A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits. cell doctrine - ANS All living things are composed of cells A single cell is the smallest unit that exhibits all of the characteristics of life All cells come only from preexisting cells primary protein sequence - ANS the linear sequence of amino acids nucleic acid sequence - ANS ...
DocLaura
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EXAM 2 (bio 151) Questions And Answers
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6

juni 2025

2024/2025

A+
Tetrahymena is a genus of free-living ciliates that are common in freshwater ponds. They are model organisms used to study a variety of cellular processes, including plasma membrane fluidity. Tetrahymena can maintain homeostasis by altering the fatty acid composition of their cellular membranes. You grow Tetrahymena in normal temperatures and then expose these Tetrahymena to cold temperatures. Which of the following changes in plasma membrane composition are likely to occur? I. An increase i...
DocLaura
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Bio 151 Exam 2 Practice test Questions And Answers
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9

juni 2025

2024/2025

A+
1. Why are viruses referred to as obligate parasites? A. They cannot reproduce outside of a host cell. B. Viral DNA always inserts itself into host DNA. C. They invariably kill any cell they infect. D. They can incorporate nucleic acids from other viruses. E. They must use enzymes encoded by the virus itself. - ANS A 2. What is the name given to viruses that are single-stranded RNA that acts as a template for DNA synthesis? A. retroviruses B. proviruses C. viroids D. bacteri...
DocLaura
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Professor Caleb Rounds Bio 151 Exam 2 100% Correct !!!
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3

juni 2025

2024/2025

A+
what happens in G1 - ANS growth of the cell what happens in G0 - ANS cell exits to this stage when it will not divide what happens in G2 - ANS checks DNA replication, finishes growing, protein replication and most amount of DNA what happens in S - ANS DNA replication what happens in M - ANS Division what is CDK - ANS cyclin dependent kinase used to regulate cell cycle what is cyclin - ANS protein. binds to CDK, helps regul...
DocLaura
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