BIO 320
Stonybrook University
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Bio 320 Bundled Exams Questions and Answers (100% Pass)
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Bio 320 Bundled Exams Questions and Answers (100% Pass)
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Bio 320 exam 2 Practice Questions and Answers (100% Pass)
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Bio 320 exam 2 Practice Questions and 
Answers (100% Pass) 
what are three causes of hypersensitivity diseases? - Answer️️ -1. 
autoimmunity 
ions against microbes 
3. reactions against environmental antigens 
What is hypersensitivity? - Answer️️ -immune response, 
sensitization, inappropriate response 
what is type 1 hypersensitivity - Answer️️ -igE mediated 
what is type 2 hypersensitivity - Answer️️ -tissue mediated or 
specific 
(antibody mediated) 
what is type 3 hypersensit...
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BIO 320 EXAM 2 PRACTICE QUESTIONS AND ANSWERS (100% PASS)
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BIO 320 EXAM 2 PRACTICE QUESTIONS AND 
ANSWERS (100% PASS) 
Describe all processes by which organisms exchange heat with their 
environment. - Answer️️ -Radiation, Conduction, Convection, 
Evaporation 
Radiation - Answer️️ -*Emission of electromagnetic energy by 
surface (i.e. sun) 
*When objects are warmed by radiation, they emit lower-energy 
radiation as infrared light 
*The temp of the radiating surface determines how rapidly an object 
loses energy by radiation to colder parts of th...
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BIO 320 Exam 1 Practice Questions and Answers (100% Pass)
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BIO 320 Exam 1 Practice Questions and 
Answers (100% Pass) 
Biodiversity is built from what 3 features? - Answer️️ -Ecosystem 
diversity, species diversity, genetic diversity 
Species that lack genetic diversity are? - Answer️️ -More 
vulnerable to fluctuations due to climate change, disease, and 
habitat fragmentation. 
True or false; Counting every individual of a species is common - 
Answer️️ -False 
True or false; Must sample an area to estimate how many species 
are present? - A...
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Bio 320 Exam 3 Practice Questions and Answers (100% Pass)
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Bio 320 Exam 3 Practice Questions and 
Answers (100% Pass) 
Activation of mature naive T lymphocytes by antigen presentation 
with MHC II results in the production of effector cells called: - 
Answer️️ -helper T cells 
Activation of a mature naive T cell by an APC requires three critical 
signals. Which of the following is NOT an intracellular signal 
generated in the T cell? - Answer️️ -intracellular signal from MHC 
II 
What signals influence the differentiation of mature naive T cells...
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BIO-320: Cell Biology Exam 1 Practice Questions and Answers
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©SOPHIABENNET@2024/2025 Wednesday, August 21, 2024 12:13 PM 
STONY BROOK UNIVERSITY & ARIZONA UNIVERSITY 
5 
What are some major categories of proteins? - Answer️️ -1. 
Enzymes - selective catalysis. 
2. Structural Proteins - support of cellular structures. 
3. Motility Proteins - movement of cells and cell parts. 
4. Regulatory Proteins - regulation of cellular functions. 
5. Transport Proteins - transport substances across membranes. 
6. Hormonal Proteins - communication between distant p...
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BIO 320 Pathogenesis and Immunity Quiz with 100% Correct Answers
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BIO 320 Pathogenesis and Immunity 
Quiz with 100% Correct Answers 
Cytotoxic T cells (Tc; CD8) attack cells with non-self MHCs. 
True 
False - Answer️️ -True 
In Type I hypersensitivities 
IgG bind to mast cells after the second exposure 
IgG bind to T cells after the second exposure 
IgG bind to mast cells after the first exposure 
IgG bind to T cells after the first exposure 
IgE bind to mast cells after the second exposure 
IgE bind to T cells after the second exposure 
IgE bind to mast c...
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bio 320 exam 2 practice questions and answers (100% pass)
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bio 320 exam 2 practice questions and 
answers (100% pass)
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BIO 320 Exam 2 Study Guide 2024/2025
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BIO 320 Exam 2 Study Guide 2024/2025 
Gene - Answer️️ -a unit of heredity that is transferred from a 
parent to offspring and is held to determine some characteristic of 
the offspring 
Genome - Answer️️ -the complete set of genes or genetic material 
present in a cell or organism 
Introns - Answer️️ -non-coding sections of the RNA that are spliced 
out before the RNA is translated into a protein 
Exons - Answer️️ -coding sections of the RNA that will not be 
spliced out and will...
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