Bio 1201 Study guides, Class notes & Summaries
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Bio 1201 gregg Exam 2 (100% correct and graded A+)
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transport proteins - are responsible for controlling passage across the membrane 
fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of 
phospholipids 
fatty acid tails - nonpolar, hydrophobic 
fatty acid heads - hydrophilic, polar 
periphial proteins - bound to the surface of the membrane 
integral proteins - penetrate the hydrophobic core (ones that span the membrane are 
transmembrane protiens 
How do cells recognize each other? - by binding to molec...
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bio 1201 gregg exam 3 Questions With 100% Correct Answers.
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the units of heredity and are made up of segments of DNA - Answer-genes 
how many chromosomes do humans have in the nucleus of their somatic cells? - Answer-46 
chromosomes (23 pairs) 
the two chromosomes in each pair are called... - Answer-homologous chromosomes/homologs 
each pair of homologous chromosomes includes... - Answer-one chromosome from each parent 
what does meiosis result in - Answer-4 haploid daughter cells 
what does meiosis 1 do - Answer-separates homologous chromosomes 
when do...
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Bio 1201 Bundled Exams All Versions 2024/2025 with complete solutions
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Bio 1201 Bundled Exams All Versions 2024/2025 with complete solutions
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LSU Bio 1201 exam 2 Questions With 100% Correct Answers.
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why are membranes called phospholipid bilayers? - Answer-phospholipids have hydrophilic head and 
hydrophobic tail, hydrophobic face inside of cell making 2 layers 
what is meant by fluid mosaic? - Answer-Mosaic of proteins drifting laterally in fluid bilayer of 
phospholipids 
how are membranes adjusted for different temperatures? - Answer-membrane fluidity adjusted by 
changing the ratio of unsaturated to saturated fatty acids 
how do the relative amounts of saturated and unsaturated fats chan...
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Exam 3: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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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 1: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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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...
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Final Exam: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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Final Exam: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
Q: Where does the most energy production occur in cellular respiration? 
 
 
Answer: 
Oxidative phosphorylation 
 
 
 
Q: What are the properties of a proton compared to neutrons and electrons? 
 
 
Answer: 
Heavy, positive 
 
 
 
Q: Which molecules can cross the membrane the easiest? 
 
 
Answer: 
Nonpolar, small 
 
 
 
Q: Which isomer has a carbon-carbon double bond? 
 
 ...
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Exam 1: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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Exam 1: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
Q: T/F: A compound has characteristics different from those of its elements 
 
 
Answer: 
True 
 
 
 
Q: An element's properties depend on the structure of its ______. 
 
 
Answer: 
Atom 
 
 
 
Q: An ____________ is the smallest unit of matter that still retains the properties of an element. 
 
 
Answer: 
Atom 
 
 
 
Q: Atoms can be broken down into smaller particles like ____...
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Exam 4: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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Exam 4: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU 
 
 
Q: what makes a specific locus homozygous? 
 
 
Answer: 
if both homologous chromosomes carry the same allele at a given gene locus (also called true-breeding) 
 
 
 
Q: what makes a specific locus heterozygous? 
 
 
Answer: 
if 2 homologous chromosomes carry different alleles at a given gene locus (also called hybrid) 
 
 
 
Q: what is the punnett square method? 
 
 
Answer:...
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Exam 2: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU
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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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