Bio 1201 Study guides, Class notes & Summaries

Bio 1201 exam 2 Gregg latest update graded A+ 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 ...

Exam 3: BIO1201/ BIO 1201 (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: How are genes coordinately controlled in eukaryotic cells? Coordinately controlled genes in eukaryotic cells share a set of control elements. Coordinately controlled genes in eukaryotic cells are activated by the same chemical signals. Coordinately controlled genes in eukaryotic cells are located together on the same chromosome. Answer: Coordinately controlled...

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...

Final Exam: BIO1201/ BIO 1201 Review (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: ligand: Signal molecule that binds to the receptor Q: three main types of membrane receptors Answer: -G protein-coupled receptors -Receptor tyrosine kinases -Ion channel receptors Q: G protein-coupled receptors (GPCRs) Answer: cell-surface transmembrane receptors that work with the help of a G protein Q: Receptor Tyrosine Kina...

Bio 1201 Exam 1 Gregg Questions and Answers Graded A+ Matter consists of chemical elements in pure form and in combinations called ______________. Compounds ______________ consists of chemical elements in pure form and in combinations called compounds. Matter Matter consists of ________________ in pure form and in combinations called compounds. Chemical elements Organisms are composed of _____________. Matter _______________ is anything that takes up space and has mass. Matt...

BIO 1201 - MORONEY - EXAM 1 SAMPLE/QUIZ 1 WITH COMPLETE SOLUTIONS Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron B...

LSU Bio 1201 Exam 4 Licata course requirement solution

LSU Bio 1201 exam 2 Questions and Answers 100% Pass 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 o...

Bio 1201 Gregg exam 3 questions and answers rated A+ the units of heredity and are made up of segments of DNA genes how many chromosomes do humans have in the nucleus of their somatic cells? 46 chromosomes (23 pairs) the two chromosomes in each pair are called... homologous chromosomes/homologs each pair of homologous chromosomes includes... one chromosome from each parent what does meiosis result in 4 haploid daughter cells what does meiosis 1 do separates homologous chrom...

LSU Bio 1201 exam 2 gregg actual update