Polar covalent bond co Study guides, Class notes & Summaries
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ATI TEAS 7 SCIENCE (ACTUAL SCREENSHOT AND Q&A EXAMS) 2024 UPDATE
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d. Movement of sodium and potassium across the cell membrane against their concentration gradients. 
2. 
 
B. A hypothesis 3. 
 
 
 
 
This study source was downloaded by from CourseH on :33:46 GMT -06:00 
 
 
 
D. urea 4. 
 
 
 
 
5.	Carbon has an atomic number of 6. Which of the following is true about isotope c-12? a. C-12 possesses 6 neutrons and 6 protons in its nucleus 
b.	C-12 possesses 7neutrons and 5 protons in its nucleus 
c.	C-12 possesses 7 neutrons and 5 protons in its nucleus 
...
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PORTAGE LEARNING CHEM 210 exams 1-8 and final exam
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Portage Learning CHEM 210 exams 1-8 and final exam 
 
Question 1 
3 / 3 pts 
 
True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. 
 
 
 
True Correct! 
False Question 2 
3 / 3 pts 
True or False: Biomolecules can have only two functional groups. 
 
True Correct! 
False Question 3 
3 / 3 pts 
 
True or False: The following functional group is an alcohol. 
 
 
 
 
 
True Correct! 
False Question 4 
3 / 3 pts 
 
True or False: In ...
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IB Chemistry SL: Topic 4 Latest Version Graded A
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IB Chemistry SL: Topic 4 Latest Version 
 
Graded A 
 
Ionic Bond Electrostatic attraction between oppositely charged ions 
 
Covalent Bond Electrostatic attraction between a pair of electrons and positively charged 
nuclei, formed as a result of electron sharing 
 
Metallic Bond Electrostatic attraction between a lattice of positive ions and delocalized 
electrons 
 
Polyatomic ions ions with more than one element 
 
e.g. CaCO3, Al(OH)3, Mg(NO3)2, (NH4)2SO4, Ba3PO4, LiHCO3 
 
Lattice ions arran...
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WGU Biochemistry OA (Latest 2022/2023) Verified Answers
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WGU Biochemistry OA (Latest 2022/2023) Verified Answers 
Bohr Effect chart (low pH) 
C- High CO2 
H- High H+ 
A- Acidic 
R-Release of O2(rt. Shift) 
T- tense state (in tissues) 
 
 
Primary structure 
Sequence of amino acids that make up a protein 
 
 
Secondary Structure 
Sequence of amino acids fold. 
 
 
Tertiary Structure 
-more folding in a 3D shape. 
-R groups (side chains) 
 
 
Quaternary Structure 
Protein has more than 1 polypeptide chain. 
 
 
Chemical reaction 
-absorb and release en...
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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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Test Bank-Lehninger Principles of Biochemistry 8th Edition by David L. Nelson - Complete, Elaborated and Latest Test Bank. ALL Chapters (1-28) Included and Updated
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Test Bank - Lehninger Principles of Biochemistry 8th Edition by David L. Nelson - Complete, Elaborated and Latest Test Bank. ALL Chapters (1-82) Included and Updated 
 
 
#BiochemistryFoundations 
#ProteinStructure 
#EnzymeFunction 
#NucleicAcids 
#LipidsAndMembranes 
#MetabolismIntro 
#Glycolysis 
#CitricAcidCycle 
#OxidativePhosphorylation 
#Photosynthesis 
#AminoAcidBiosynthesis 
#GeneExpression 
#BiochemistryTestBank 
#Bioenergetics 
#BiochemicalSignaling 
 
 
Chapter: 1. The Foundations of...
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Anatomy and Physiology I Final exam 2024 test bank 20242025 (questions and answers) GRADED A UPDATE
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Question 1 Correct 1.00 points out of 1.00 Flag question Question text In an ecosystem, energy Select one: a. comes ultimately from bacteria b. cycles along with chemical nutrients c. typically flows from producers through a series of consumers d. typically flows from consumers to producers to decomposers Question 2 Correct 1.00 points out of 1.00 Flag question Question text Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least in...
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Module Two Chem 101 Problems Exam Questions And Answers 100% Solved 2024
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Module Two Chem 101 Problems Exam 
Questions And Answers 100% Solved 2024 
Carbon dioxide is a _____ compound composed two types of _____ atoms. 
A. Molecular, metal 
B. ionic, metalloid 
C. molecular, nonmetal 
D. ionic, metal - answerC. molecular, nonmetal 
Carbon dioxide is a molecular compound composed of two oxygen atoms with covalent double 
bonds to a central carbon atom. Both C and O are to the right of the "staircase" on the periodic 
table, as nonmetals. 
Classify the following compo...
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Edexcel iGCSE Chemistry, question and answer with rated solution
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Edexcel iGCSE Chemistry, question and answer with rated solution 
Experiment for Diffusion? 
1) HCl placed at one end of the test tube, ammonia solution at the other. 
2) Where they meet, a ring of Ammonium Chloride appears. 
3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. 
 
 
 
Experiment for Dilution? 
1) Put a coloured substance in a solvent e.g food colouring in water. 
2) Over the time, the colour le...
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AQA AS level Chemistry exam 2024 questions with 100% correct answers
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AQA AS level Chemistry exam 2024 questions 
with 100% correct answers 
Nucleons - ANSWERS Protons and neutrons 
Electrons (location) - ANSWERS Surrounding the nucleus 
Relative mass of an electron - ANSWERS 1/1840 
Strong nuclear force - ANSWERS The way protons and neutrons are held together in 
the nucleus 
Electrostatic forces - ANSWERS The attraction between protons and electrons that 
hold them together in the atom 
Atomic Number (Z) - ANSWERS The number of protons in the nucleus 
Mass nu...
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