Lsu bio 1201 exam 2 Study guides, Class notes & Summaries

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

Exam 1: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: Nucleolus: nonmembranous structure involved in production of ribosomes; a nucleus has one or more nucleoli Q: Chromatin Answer: material consisting of DNA and proteins; visible in a dividing cell as individual condensed chromosomes Q: cell wall Answer: outer layer that maintains cell's shape and protects cell from mechanical damage; ma...