Bio 1201 exam 2 Study guides, Class notes & Summaries
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LSU Bio 1201 Exam 2 Study Questions and Answers Graded A 2024
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why are membranes called phospholipid bilayers? - phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers 
 
what is meant by fluid mosaic? - Mosaic of proteins drifting laterally in fluid bilayer of phospholipids 
 
how are membranes adjusted for different temperatures? - membrane fluidity adjusted by changing the ratio of unsaturated to saturated fatty acids 
 
how do the relative amounts of saturated and unsaturated fats change? - if you are i...
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Bio 1201 exam 2 gregg Questions With 100% Correct Answers
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Bio 1201 exam 2 gregg Questions 
With 100% Correct Answers 
transport proteins - answerare responsible for controlling passage across the membrane 
fluid mosaic model - answerThe membrane is a mosaic of protein molecules bobbing in a 
fluid bilayer of phospholipids 
fatty acid tails - answernonpolar, hydrophobic 
fatty acid heads - answerhydrophilic, polar 
periphial proteins - answerbound to the surface of the membrane 
integral proteins - answerpenetrate the hydrophobic core (ones that span th...
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Bio 1201 exam 2 gregg Exam Questions With 100% Correct Answers
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Bio 1201 exam 2 gregg Exam Questions With 
100% Correct Answers 
transport proteins - answerare responsible for controlling passage across the membrane 
fluid mosaic model - answerThe membrane is a mosaic of protein molecules bobbing in a 
fluid bilayer of phospholipids 
fatty acid tails - answernonpolar, hydrophobic 
fatty acid heads - answerhydrophilic, polar 
periphial proteins - answerbound to the surface of the membrane 
integral proteins - answerpenetrate the hydrophobic core (ones that sp...
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LSU BIO 1201 EXAM 2 WITH QUESTIONS AND WELL DETAILED ANSWERS [ACTUAL EXAM 100%]
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LSU BIO 1201 EXAM 2 WITH 
QUESTIONS AND WELL DETAILED 
ANSWERS [ACTUAL EXAM 100%] 
why are membranes called phospholipid bilayers? - CORRECT 
ANSWER-phospholipids have hydrophilic head and hydrophobic tail, 
hydrophobic face inside of cell making 2 layers 
what is meant by fluid mosaic? - CORRECT ANSWER-Mosaic of 
proteins drifting laterally in fluid bilayer of phospholipids 
how are membranes adjusted for different temperatures? - CORRECT 
ANSWER-membrane fluidity adjusted by changing the...
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LSU Bio 1201 exam 2 |108 Questions and Answers(A+ Solution guide)
- Exam (elaborations) • 11 pages • 2023
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why are membranes called phospholipid bilayers? - phospholipids have hydrophilic head and 
hydrophobic tail, hydrophobic face inside of cell making 2 layers 
what is meant by fluid mosaic? - Mosaic of proteins drifting laterally in fluid bilayer of 
phospholipids 
how are membranes adjusted for different temperatures? - membrane fluidity adjusted by 
changing the ratio of unsaturated to saturated fatty acids 
how do the relative amounts of saturated and unsaturated fats change? - if you are in a...
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Exam 3: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
- Exam (elaborations) • 23 pages • 2024
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Exam 3: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
Q: how do different alleles occur 
 
 
Answer: 
through mutation 
 
 
 
Q: what 3 things contribute to genetic variation 
 
 
Answer: 
crossing over, independent assortment, random fertilization 
 
 
 
Q: when does independent assortment occur? 
 
 
Answer: 
metaphase I of meiosis 
 
 
 
Q: random fertilization 
 
 
Answer: 
any sperm can fertilize any egg 
 
 
 
Q: the ...
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Exam 2: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
- Exam (elaborations) • 21 pages • 2024
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Exam 2: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
Q: what is active transport? 
 
 
Answer: 
work must me done; must use supplied energy; employs carrier molecule 
 
 
 
Q: for which transport processes are carrier molecules involved? 
 
 
Answer: 
facilitated diffusion and active transport 
 
 
 
Q: which transport processes require the input of additional energy? 
 
 
Answer: 
active transport 
 
 
 
Q: what is a semi...
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LSU Bio 1201 Exam 2 Questions With Verified Answers
- Exam (elaborations) • 8 pages • 2024
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LSU Bio 1201 Exam 2 Questions With 
Verified Answers 
why are membranes called phospholipid bilayers? - answerphospholipids have hydrophilic 
head and hydrophobic tail, hydrophobic face inside of cell making 2 layers 
what is meant by fluid mosaic? - answerMosaic of proteins drifting laterally in fluid bilayer 
of phospholipids 
how are membranes adjusted for different temperatures? - answermembrane fluidity adjusted 
by changing the ratio of unsaturated to saturated fatty acids 
how do the rela...
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Exam 2: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
- Exam (elaborations) • 24 pages • 2024
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Exam 2: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
Q: transport proteins 
allow passage of hydrophilic substances across the membrane 
 
 
 
Q: carrier proteins 
 
 
Answer: 
bind to molecules and change shape to shuttle them across the membrane 
 
 
 
Q: passive transport 
 
 
Answer: 
the diffusion of a substance across a membrane with no energy investment 
 
 
 
Q: Diffusuion 
 
 
Answer: 
Spreading out of partic...
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Bio 1201 exam 2 gregg Questions With 100% Correct Answers
- Exam (elaborations) • 8 pages • 2024
- Available in package deal
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Bio 1201 exam 2 gregg Questions 
With 100% Correct Answers 
transport proteins - answerare responsible for controlling passage across the membrane 
fluid mosaic model - answerThe membrane is a mosaic of protein molecules bobbing in a 
fluid bilayer of phospholipids 
fatty acid tails - answernonpolar, hydrophobic 
fatty acid heads - answerhydrophilic, polar 
periphial proteins - answerbound to the surface of the membrane 
integral proteins - answerpenetrate the hydrophobic core (ones that span th...
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