Biology 120 - Study guides, Class notes & Summaries

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

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

how do animals cells communicate through direct contact? - ANSWER cell junctions connecting the cytoplasms or cell - cell recognition from molecules protruding from surface of cell attaching to one another describe paracrine signaling - ANSWER -The transmitting cell secretes the local regulator (chemical signal) into the fluid surrounding the cells of a tissue. -The local regulator diffuses across the liquid. -The local regulator binds to protein receptors at the cell surface of the target...

organisms are composed of _______________ matter anything that takes up space and has mass matter a substance that cannot be broken down to other substances by chemical reactions example: hydrogen element a substance consisting of two or more elements in a fixed ratio example: water (H2O) compound the smallest unit of matter that still retains the properties of an element atom

LSU Biology 1201 Final Exam by Moroney questions and answers

Heredity the transmission of traits from one generation to the next Variation __________ is demonstated by the diffferences in appearance that offspring show from parents and siblings genetics ________ is the scientific study of heredity and variation genes __________ are the units of heredity and are made up of segments of DNA gametes genes are passed to the next generation via reproductive cellls called ________ (sperm and eggs) somatic cells humans have 46 chromosomes in the nucl...

How many quarters of the planet is covered with water? - ANSWER Three-quaters What is the average depth of the ocean? For every ___ meters depth increase, pressure increases___ atm - ANSWER 3800 meters. 10; 1 The deep sea is characterized by: - ANSWER Defined as the ocean below either 200 or 1000 meters. Low temperature, high hydrostatic pressure, and no sunlight. 2-4 degrees celsius What doesn't penetrate to the deep sea for photosynthesis? - ANSWER Sunlight

accessory pigments - Pigment that absorbs light at different wavelengths and then pass energy onto chlorophyll a activation energy - the minimum amount of energy required to start a chemical reaction active site - the site on an enzyme that attaches to a substrate aerobic respiration - the process in which pyruvic acid is broken down and NADH is used to make a large amount of ATP; the part of respiration that is carried out in the presence of oxygen allosteric site - A site on an enzyme ot...

Biology 1108 Unit 1 EXAM LATEST 2024 WITH 120+ EXPERT CERTIFIED QUESTIONS AND ANSWERS I ALREADY GRADED A+

Biology 1201 Final Exam LSU Questions and Answers Gregg