Polar area Study guides, Class notes & Summaries
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OCR A LEVEL ORGANIC CHEMISTRY YEAR 12 WITH VERIFIED QUESTIONS AND ANSWERS
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OCR A LEVEL ORGANIC CHEMISTRY YEAR 12 WITH VERIFIED 
QUESTIONS AND ANSWERS 
 
What is the melting and boiling points of alkanes like? - ANSWER--as chain length 
increases so does the strength of the intermolecular forces as there is greater 
surface area for contact between molecules and hence stronger london forces 
and therefore the melting/boiling points are highr for longer chain. 
What is a structura/chain isomer? - ANSWER--Same molecular formula but a 
different structural formula 
Wh...
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Bio 1201 exam 2 Gregg latest update graded A+
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Bio 1201 exam 2 Gregg latest update 
 
graded A+ 
 
transport proteins are responsible for controlling passage across the membrane 
 
fluid mosaic model The membrane is a mosaic of protein molecules bobbing in a fluid 
bilayer of phospholipids 
 
fatty acid tails nonpolar, hydrophobic 
 
fatty acid heads hydrophilic, polar 
 
periphial proteins bound to the surface of the membrane 
 
integral proteins penetrate the hydrophobic core (ones that span the membrane are 
transmembrane protiens 
 
How ...
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MCAT entrance exam all subjects combined questions & answers latest update
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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Biol 1201 Exam 2 Gregg Latest Update Already Passed
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Biol 1201 Exam 2 Gregg Latest Update 
 
Already Passed 
 
Plasma membrane A selectively-permeable phospholipid bilayer forming the boundary of the 
cells. Hydrophilic heads and hydrophobic tails 
 
peripheral proteins Bound to the surface of the membrane 
 
Integral proteins penetrate the hydrophobic core 
 
Transport proteins Span membrane. Allow passage of hydrophilic substances 
 
functions of plasma membrane transport, enzymatic activity, signal transduction, cell-cell 
recognition, intercel...
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FiST Cert Questions and Answers Already Passed
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FiST Cert Questions and Answers 
 
Already Passed 
 
What are the six elements in the Call for Fire? Observer ID, Warno, Target Location, Target 
description, Method of engagement, Method of fire and control 
 
What are the six methods of engagement? Type of Adjustment, Danger Close, Mark, 
Trajectory, Ammunition, Distribution 
 
What are the fourteen methods of control? Fire when ready, at my command, cannot 
observe, time on target, time to target, continuous illum, coordinated illum, cease lo...
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UCSB CHEM 6AL Final Exam Questions With 100% Correct Answers.
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Intermolecular forces and how they affect physical properties /purification techniques: dipole-dipole, 
electrostatic, hydrogen, ion, london, - Answer-*dipole-dipole*: polar covalent molecules such as 
aldehydes and ketones. positive and negative end. polar molecules must be close together for force 
to be significant. weaker than ion-dipole forces; increase with polarity of molecule. 
*electrostatic*: occur between charged species, cations and anions, and are responsible for very high 
MP and B...
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Bio-105 Exam 1 Latest Version Already Graded A
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Bio-105 Exam 1 Latest Version Already 
 
Graded A 
 
biology The study of living organisms and their interactions with one another and their 
environmnets 
 
cell smallest fundamental unit of structure and function in living thiings 
 
biosphere collection of all living things on earth 
 
community set of populations inhabiting a particular area 
 
ecosystem all living things in a particular area together with the abiotic parts 
 
homeostasis ability of an organism to maintain constant internal ...
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PCAT Pearson Biology Section Exam 2023
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Cell Theory - ANSWER-Discovered in the 17th century 
1. All living things are composed of cells 
2. The cell is the basic unit of life 
3. The chemical reactions of life take place inside the cell 
4. Cells arise from only preexisting cells 
5. Cells carry genetic information in the form of DNA. This genetic material is passed from parent cell to daughter cell 
 
6 Kingdoms - ANSWER-Bacteria, Archaea, Protista, Fungi, Plantae, and Animalia 
 
Prokaryotic - ANSWER-"before nucleus", lacks a memb...
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BIO 203 final exam(2024 Latest Update)
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List the 3 different fluid compartments of the body. - ANSWER Intracellular Fluid, Interstitial Fluid, Plasma 
 
What is the definition of homeostasis? - ANSWER The regulation of the body's internal environment in a narrow range 
 
Describe the difference between intrinsic and extrinsic regulation - ANSWER Intrinsic is local to the regulated area. 
Extrinsic is regulating an area from somewhere else usually the nervous or endocrine system. 
 
Describe the difference between a feedback and feed-...
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Science Olympiad Meteorology Latest Update Graded A+
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Science Olympiad Meteorology Latest 
 
Update Graded A+ 
 
air mass a huge body of air that has similar temperature, humidity, and air pressure at any 
given height and a source region. Remember cP, cT, mP, mT, cA 
 
continental polar (cP) cold, dry stable air mass that forms over land 
 
continental tropical (cT) unstable, warm, dry air mass that forms over land 
Winter - warm and dry 
Summer - Hot and dry 
 
maritime polar (mP) unstable cold, moist air mass that forms over cold oceans-- 
Winte...
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