Biol 120 Study guides, Class notes & Summaries

LSU BIOL 1201 Exam 1 Steven Pomarico written exam questions and answers

Biol 1201 Final – Gregg Latest Update Graded A+ local signaling animal cells may communicate by direct contact, or cell-cell recognition (paracrine and synaptic signaling) cell junctions Animal and plant cells; directly connect the cytoplasm of adjacent cells paracrine signaling the target cells lie near the secreting cells synaptic signaling a nerve cell releases neurotransmitter molecules into a synapse, stimulating the target cell endocrine (hormonal) signaling Specializ...

BIOL 1201: Final Exam Questions with Verified Solutions What are the three types of cell signaling? 1. Direct Contact 2. Local 3. Distant Describe direct contact cell signaling and some examples. One cell actually physically touches another i.e. Gap Junctions (diffusion of signals through a plasma membrane), Plasmodesmata (diffusion of signals through a plasma membrane), and Cell-Cell Recognition (one cell have a type of signal molecule while the other cell has a receptor, and t...

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

BIOL 1201 TEST 1: LICATA; CH. 1-5 ALREADY GRADED A Evolution the process of change that has transformed life on Earth from its earliest beginnings to the diversity of organisms living today. Evolution Fundamental organizing principle of biology and the core theme of this book Biology Scientific study of life Organization, Energy Use, Development, Reproduction, Evolve, Respond to the Environment Characteristics of a living system Emergent Properties result from the arrangement...

BIOL 1201: Exam 1 Questions and Answers Graded A+ 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 mat...

BIOL 1202 - CH 25 Questions With Complete Solutions

Biol 1201 Exam 1 (Gregg) with Complete Solutions 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 org...

LSU BIOL 1202| Biology for Science Majors II |Pomarico| Final Exam bank actual practice questions and answers Louisiana State University What is not a good support of evolution? - ANSWER Fossils Who placed fossils in an evolutionary context? - ANSWER Lamarck ________ traits can be passed along to the next generation - ANSWER Acquired Adaptation by _________, not by individual - ANSWER Population

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 element Wh...