Polar hydrophilic - Study guides, Class notes & Summaries

Explain the properties of water, including cohesion, adhesion, polarity, heat of vaporization and solvent properties? - Answer - water attracts to itself - water attracts to anything charged - most important - uneven sharing valence electrons, partial negative charge near oxygen atom + 2 partial positive charge near hydrogen atom - large amount of heat to change from liquid to gas, evaporating off skin to cool - polar makes good solvent for ionic and polar substances, hydrophilic attracts ...

AP Biology Unit 1 Test 100% solved water -polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds -opposite ends of the molecule have opposite charges cohesion -H bonding between H2O creates it (sticky) -allows for the movement of water against gravity -high surface tension -water moves up a tree by transpiration (helped by ____) adhesion -H2O molecules form H bonds with other s...

IB Biology Topic 2: Molecular Biology Latest Update Graded A+ How many bonds can carbon make carbon can make four covalent bonds Four most common compounds - carbon -hydrogen -nitrogen -oxygen what is life based on carbon compounds metabolism metabolism- chemical processes in the body, synthesis & breakdown of substances in living organisms. anabolism- the synthesis of complex molecules (simple to complex) (condensation reaction) catabolism- the breakdown of complex molecu...

Bio 264 Final Review Questions And Answers Captain Jack Sparrow is in a sword fight with an evil skeleton pirate. If Jack were to cut off the skeleton's head, his sword would be following which body plane: - CORRECT ANSWER transverse Which of these statements about positive feedback is the MOST correct? - CORRECT ANSWER Birth is an example of a normally occurring positive feedback mechanism. Which of the following is NOT an example of a negative feedback loop? - CORRECT ANSWER ...

water CORRECT ANSWER -polar molecule -polar colvalent bonds -oxygen end is partial negative and the hydrogens have a partially positive end -cohesive polar covalent bonds CORRECT ANSWER -opposite ends of the molecule have opposite charges cohesion CORRECT ANSWER -H bonding between H2O creates it (sticky) -allows for the movement of water against gravity -high surface tension -water moves up a tree by transpiration (helped by ____) adhesion CORRECT ANSWER -H2O molecules form H bond...

Valence Ans- number of e- in outermost shell, determines number of bonds the atom can form 4 types of bonds Ans- covalent, ionic, hydrogen, van der waals Hydrogen bonding Ans- electrostatic attraction between partially positive hydrogen atom and a partially negative, highly electronegative atom van der Waals forces Ans- weak attractive/repulsive forces resulting from the movement of electrons, creating temporary regions of partial pos. and neg. charge if difference in EN between to...

Which of the following corrctly matches the amino acid with its three-letter abbreviation? A) tryptophan: try B) isoleucine: iso C) cysteine: cys D) asparagine: asn E) valine: van correct answer: C) cysteine: cys Which hydrophobic amino aicd containes sulfur in its side chain? A) alanine B) valine C) phenlyalanine D) proline E) methionine correct answer: E) methionine Which amino acid is achiral (not chiral)? A) alanine B) valine C) glycine D) proline E) methionine c...

Bio 227 Lecture Exam 1 Questions and Answers Already Passed 4 most common elements in the human body oxygen, carbon, nitrogen hydrogen 6 major classes of enzymes 1. Oxidoreductases- oxidizes or reduces eg moves electron around 2. Transferases- transfers a functional group eg phosphate/hydroxyl 3. Hydrolases- does a hydrolysis reaction by ripping apart molecules using water 4. Lyases-breaks bonds but without water 5. Isomerases-makes one isomer into another by changing shape 6. Lig...

Test Bank For Vander’s Human Physiology 14th Edition A Descriptive Test Bank for Vander’s Human Physiology 14th Edition By Eric P. Widmaier Dr., Hershel Raff, Kevin T. Strang Dr. What is this product? Test Bank for Vander’s Human Physiology 14th Edition is not a textbook, instead, this is a test bank or solution manual as indicated on the product title. Test Bank: This is a supplement to the textbook created by experts to help you with your exams. It is a collection of exam questions based...

Bios 1108 Module 3 Exam Questions and Answers 100% Pass Cell Signaling Pathway - Correct Answer ️️ -"RaceCAR" - Reception of signaling molecule (ligand) to specfiic receptor - protein-to-protein Communication (transduction); ex: receptor-to-enzyme, kinase-to- target -signal Amplification typically with second messengers (cAMP, etc) -sgnal response nuances: tissue/cell-type specific responses, signal crosstalk Direct Signaling - Correct Answer ️️ -communication between adjacent...