Biol 1201 Study guides, Class notes & Summaries

LSU BIOL 1201 Exam 1 –Pomarico practice exam update questions and answers

A substance that cannot be broken down into other substances by ordinary chemical procedures is a(n) _____. - element Organisms are largely composed of __ elements. - 11 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, and oxygen What determines solubility? - "like dissolves like" Atom - Smallest unit of matter that retains all the properties of that eleme...

LSU Biol 1201 Moroney Exam 1 written update questions and answers

Hypothesis - a small statement that you can test Theory - broader in scope than a hypothesis and can lead to a new testable hypothesis; supported by a large body of evidence in comparison to a hypothesis Deductive - Testing what you think is true; Design, Test, Conclusion Inductive - making observations and solution from that observation; All observations have the same result. Valence - Outer shell of electrons; the number of unpaired electrons in the valence shell of an atom is generally...

Cell theory - -All organisms are made of cells -The cell is the simplest collection of matter that can be alive -Cells are near the middle of the biological size range scanning electron microscope - Focus electrons onto the surface of a specimen, providing images that look 3-D Transmission Electron Microscopes - focus a beam of electrons through a specimen cell fractionation - Takes cells apart and separates the major organelles from one another centrifuges fractionate cells into their co...

LSU BIOL 1201 Exam 1 -Pomarico practice questions and answers new solution update

plasma membrane - The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition. Ribosomes - complexes that make proteins; free in cytosol or bound to rough ER or nuclear envelope Golgi apparatus - active in synthesis, modification, sorting, and secretion of cell products Lysosome - digestive organelle where macromolecules are hydrolyzed, and autophagy Mitachondrion - organelle where cellular respiration occurs and mo...

Biol 1201 Exam 1 (gregg) Questions With Verified Answers plasma membrane - answerThe membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition. Ribosomes - answercomplexes that make proteins; free in cytosol or bound to rough ER or nuclear envelope Golgi apparatus - answeractive in synthesis, modification, sorting, and secretion of cell products Lysosome - answerdigestive organelle where macromolecules are hydrolyzed, and...

BIOL 1201: Exam 1 Questions With 100% Correct Answers A substance that cannot be broken down into other substances by ordinary chemical procedures is a(n) _____. - answerelement Organisms are largely composed of __ elements. - answer11 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, and oxygen What determines solubility? - answer"like dissolves like" A...

Cell theory - -All organisms are made of cells -The cell is the simplest collection of matter that can be alive -Cells are near the middle of the biological size range scanning electron microscope - Focus electrons onto the surface of a specimen, providing images that look 3-D Transmission Electron Microscopes - focus a beam of electrons through a specimen cell fractionation - Takes cells apart and separates the major organelles from one another centrifuges fractionate cells into thei...