Biology 1201 exam - Study guides, Class notes & Summaries

Biology 1201 Exam 1 (Gregg Questions and answers latest update

What makes up organisms? - ANSWER matter What is matter? - ANSWER anything that takes up space and has mass What is matter made up of? - ANSWER elements What is an element? - ANSWER a substance that cannot be broken down to other substances by chem reactions

SJ Singer and G Nicolson - 1972- proposed that membrane proteins are dispersed, individually inserted into phospholipid bilayer with their hydrophilic regions protruding Fluid Mosaic Model - -behaves like liquid -contains numerous diff. types of proteins -not held in one place, constantly moving Proteins - embedded in the membrane need to have amino acids that interact with water/ repel water to be inside the membrane Membrane Fluidity - -membranes are locked in place -held together by h...

LSU Biology 1201 Moroney Exam 1 obvious exam questions with correct answers

Biology 1201 Exam 1 Questions With Verified Answers About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living matter? - answerCarbon, Hydrogen, Nitrogen, Oxygen What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? - answer6 Which of these refers to atoms with the same atomic number but different atomic masses? - answerIsotopes Fluorine's atomic number is 9 and its atomic ma...

LSU Biology 1201 Final Exam by Moroney questions and answers

Biology 1201 Final Exam Gregg with Complete Solutions subatomic particles protons, neutrons, electrons Proton charge and location positive, nucleus neutron charge and location neutral, nucleus Electron charge and location negative (-) and outside nucleus in electron cloud valence electrons electrons in the outermost shell incomplete valence shells atoms can share or transfer electrons with other atoms, or make chemical bonds Atoms valence Bonding capacity = the number of...

Biology 1201 Final Exam Moroney LSU Questions and Answers Graded A+ An element has 8 protons, 9 neutrons, and 8 electrons. What are its atomic number and mass? 8 and 17 How many and what type of bonds does sulfur usually form in biology? 2 covalent A molecule that has all non polar covalent bonds would be________. hydrophobic What substance makes up the interior of a potato tuber? starch What is an example of a lipid? triglyceride One characteristic shared by sucrose, lactose, and maltos...

Biology 1201 Final Exam LSU Questions and Answers Gregg