Polymers and life - Study guides, Revision notes & Summaries

coacervate droplets (1)cluster of colloidal molecules surrounded by a shell of water, tends to absorb and incorporate substances from environment - precursors to first cells protoplasmthe substance of life carbohydratesCHO in 1:2:1 ratio energy storage or structural molecules disaccharides and polymers formed by dehydration synthesis, broken down by hydrolysis lipids1 glycerol bonded to 3 fatty acids do NOT form polymers, used for food storage Derivatives: phospholipids, waxes, steroids...

HESI A2 BIOLOGY QUESTIONS AND ANSWERS Hierarchic Organizational system for nomenclature Kingdom Phylum Class Order Family Genus Species (Least) "Keep Penguins Cool Or Find Good Shelter" Scientific Method Observation Hypothesis Experiment Conclusion Water All life, and therefore biology , occurs in water. Properties of Water 2 Hydrogen bonds Covalently bonded to Oxygen. Hydrogen Bonding between molecules. - High specific heat - Large bodies or water stabilize...

Molecules that are composed of carbon and hydrogen atoms and provide energy for life processes are called - organic nutrients The term ___________________ describes the loss of organization, as described by the Second Law of Thermodynamics. - entropy Based on the First Law of Thermodynamics, select all of the following that apply to energy. - Energy can be transferred. Energy can be transformed. the __________________ Law of Thermodynamics states that energy cannot be created or destroyed...

Lecture presented possible scenarios for the origin of the chemicals necessary for the evolution of early life on Earth. The 3 major hypotheses of the origins of life and cells are? correct answers 1 .Chemical Evolution 2. Astrobiological 3.Supreme Being (non-testable) Radioisotope dating using 235U decay indicates that the Earth is around______________________________old and that life originated between correct answers 4.0 and 4.5 billion years old life originated about 3.5 billion year...

Test Bank for Chemistry, 6th Edition, Thomas R Gilbert, Rein V Kirss (Author, Northeastern University), Stacey Lowery Bretz (Author Miami University) Chemistry 6th Edition Gilbert Test Bank .Test Bank for Chemistry 6th Edition Thomas R Gilbert, Rein V Kirss Chemistry 6th Edition Gilbert Test Bank. Test Bank for Chemistry 6th Edition Thomas r Gilbert Test Bank for Chemistry 6th Edition Thomas R Gilbert Rein V Kirss ISBN 9780393674033 View all 4 notes for Chemistry, written by Thomas R. Gilbert, R...

Macromolecules can be large and most are polymers: - correct answer Molecules made of repeated simpler units (monomers) connected by covalent bonds Electron sharing to - correct answer Build larger subunits The processes of life depend on 4 major carbon based organic molecules: - correct answer Proteins, nucleic acids, carbohydrates, and lipids End product of gene expression - correct answer proteins Function of a protein - correct answer Preform critical reactions in the cell (...

biology - Study of life Properties of life - order, energy processing, regulations, response to the environment, reproduction, growth and development, and evolutionary adaptation Types of prokaryotes - bacteria and archaea Kingdoms of eukaryotes - Animalia, protis, fungi, and plants What makes an animal an animal - eukaryote, multicellular has tissues no stiff cell walls gets nutrition from other organisms motility specific developmental patterns Covalent bonds - sharing of electrons...

UVIC Biology 186 Exam Study Guide |Question and Answer| 100% Correct four major classes in the molecules of life *Ans* 1. Lipids 2. Carbohydrates 3. Proteins 4. Nucleic Acids monomers *Ans* "building block" molecules of a polymer polymers *Ans* many monomers covalently linked together dehydration *Ans* how polymers are synthesized hydrolysis *Ans* how polymers are broken homopolymers *Ans* polymers composed of identical monomers heteropolymers *Ans* polymers composed of different m...

Biology 1001 MUN Section 2 Questions and Answers 100% Pass **1. What is the fundamental structural component of all large molecules in living organisms?** - Carbon. **2. What significant contribution did Friedrich Wöhler make to organic chemistry?** - He synthesized urea without using kidneys, which paved the way for creating more complex organic compounds. **3. What characterizes a cis isomer of an alkene?** - In a cis isomer, the hydrogen atoms attached to the double bond...

Tissue Engineering Questions and Answers Rated A+ Tissue Engineering An interdisciplinary field that applies the principles of engineering and life sciences toward the development of biological substitutes that restore, maintain, or improve tissue function. Stem Cells A cell that has the ability to self renew and differentiate into various other specialized cell types. Cells in Tissue Engineering Cell Location (based on tissue types): - Skin cells for skin tissue engineering - C...