Biology 1201 exam Study guides, Class notes & Summaries

Biology 1201 exam 1 with correct answers

Biology 1201 Exam 2 Questions and answers latest update

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...

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...

LSU Biology 1201 Exam 2 Chapter 7 solution update

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? - Carbon, Hydrogen, Nitrogen, Oxygen What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? - 6 Which of these refers to atoms with the same atomic number but different atomic masses? - Isotopes Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have? - 10 An uncharged a...

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...

Centromeres - ANSWER area of attachment between two sister chromatids Kinetochores - ANSWER structures of proteins and specific sections of chromosomal DNA at the centromere; point of attachment for microtubules of the spindle Chromatids - ANSWER two copies of duplicated chromosome Spindle apparatus - ANSWER formed from microtubules extending from the two centromeres; as centrosomes move away from each other the microtubules lengthen

Biology 1201 Exam 1 (Gregg Questions and answers latest update