Ionic bonds Study guides, Class notes & Summaries
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![Biochem Module 6 (Portage Learning), CHEM 210 Biochemistry Questions and Answers 100% Graded A+ Updated 2024](/docpics/4647704/65e366a6b9614_4647704_121_171.jpeg)
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Biochem Module 6 (Portage Learning), CHEM 210 Biochemistry Questions and Answers 100% Graded A+ Updated 2024
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Biochem Module 6 (Portage Learning), CHEM 210 Biochemistry Questions and Answers 100% Graded A+ Updated 2024 
 
In DNA, adenine always pairs with ________. 
 
- Thymine 
- Guanine 
- Uracil 
- Cytosine - CORRECT ANSWER-- Thymine 
 
DNA is built from which of the following? 
 
- Nucleosides 
- Genes 
- Purines 
- Nucleotide 
- Codons - CORRECT ANSWER-- Nucleotide 
 
The double helix of DNA is stabilized mainly by __________. 
 
- Ionic bonds 
- Covalent bonds 
- Ion-dipole bonds 
- Hydroge...
![CHEM 120 Week 3 Exam 1 (Units 1 & 2)](/docpics/3963969/656eb56133052_3963969_121_171.jpeg)
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CHEM 120 Week 3 Exam 1 (Units 1 & 2)
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1.	You re conducting a study on the effects of carrot consumption on blood pressure. you will be giving carrots to participants in your study and monitoring their blood pressure over several months 
2.	Which of the following substances contain ionic bonds? 
3.	What is the name of the compound N 
4.	Which of the following species would you expect form intermolecular hydrogen bonds? 
5.	In an experiment you calculate that 6.50 gram of liquid has a volume of 2.50 ml…. What is the mass of a 160 l...
![Biology 180 Final Exam BYUI | 70 Questions with 100% Correct Answers | Updated & Verified](/docpics/63f6bc7660ea0_2401303.jpg)
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Biology 180 Final Exam BYUI | 70 Questions with 100% Correct Answers | Updated & Verified
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The longer the wavelength the higher the energy of an electromagnetic wave - False 
Which of the following elements has a valence of two? - Oxygen and Sulfur 
What type of bond is formed by the equal sharing of valence electrons? - A non-polar 
covalent bond 
Polar molecules, such as water, will commonly participate in which of the following 
intermolecular interactions - Hydrogen bonding with polar molecules. 
Electrostatic interaction with ionic compounds. 
Which of the following compounds wou...
![WGU Biochemistry OA (Latest 2022/2023) Verified Answers](/docpics/62b9a217e8fc2_1818086.jpg)
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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...
![PORTAGE LEARNING CHEM 210 exams 1-8 and final exam](/docpics/6447cdad8d56f_2653832.jpg)
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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 ...
![OCR A LEVEL CHEMISTRY B (SALTERS) H433/01 FUNDAMENTALS OF CHEMISTRY 2024 ACTUAL EXAM WITH 100% CORRECT ANSWERS. CHECK THE LAST PAGE FOR ANSWERS.](/docpics/3943401/656a12bcce417_3943401_121_171.jpeg)
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OCR A LEVEL CHEMISTRY B (SALTERS) H433/01 FUNDAMENTALS OF CHEMISTRY 2024 ACTUAL EXAM WITH 100% CORRECT ANSWERS. CHECK THE LAST PAGE FOR ANSWERS.
- Exam (elaborations) • 53 pages • 2023
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OCR A LEVEL CHEMISTRY B (SALTERS) H433/01 FUNDAMENTALS OF CHEMISTRY 
2024 ACTUAL EXAM WITH 100% CORRECT ANSWERS. 
CHECK THE LAST PAGE FOR ANSWERS. 
1	Which feature of the structure of the atom was deduced from the Geiger and Marsden experiment? 
 
A	Atoms consist of electrons, protons and neutrons. 
 
B	The nucleus is small and dense. 
 
C	Electrons exist in energy levels/shells. 
 
D	Electrons exist in atomic orbitals. 
 
Your answer	[1] 
 
 
2	Which row gives the correct trends for the followi...
![Biology 1610 FINAL USU 2022/2023 (Questions And A nswers)](/docpics/632c32626e269_1977526.jpg)
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Biology 1610 FINAL USU 2022/2023 (Questions And A nswers)
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The most common isotope of hydrogen has one proton, no neutrons, and one electron. An isotope of hydrogen with 1 neutron would have: 
an atomic number of 1 and a mass number of 2 
 
 
In a covalent bond: 
electrons are shared between atoms so that all atoms have full outer shells 
 
 
 
A property of a system that is present at one level of organization but absent at the levels below is called: 
an emergent property 
 
 
An ionic bond is 
weaker than a covalent bond 
 
 
Modern taxonomy attempts...
![WGU Biochemistry OA 2022/2023 Questions With Answers.](/docpics/63cfd692a55cc_2294011.jpg)
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WGU Biochemistry OA 2022/2023 Questions With Answers.
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WGU Biochemistry OA 2022/2023 Questions With Answers. Amino Acid backbone consists of Ans - 1. amino group 
2. carboxyl group 
3. alpha carbon 
4. R group 
Amino group: looks likes/consists of Ans - NH3+ 
Carboxyl group looks like/consists of Ans - cooAlpha carbon looks like/consists of Ans - CH 
The three Amino acid categories Ans - 1. hydrophobic (nonpolar) 
2. polar 
3. charged 
Hydrophobic Amino Acids Ans - non polar 
afraid of h20 
usually in the middle/core of the protein 
contains H + C...
![ANATOMY AND PHYSIOLOGY 101 FINAL EXAM IVY TECH|2023 LATEST UPDATE|GUARANTEED SUCCESS](/docpics/2974925/649b6098a15b4_2974925_121_171.jpeg)
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ANATOMY AND PHYSIOLOGY 101 FINAL EXAM IVY TECH|2023 LATEST UPDATE|GUARANTEED SUCCESS
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What is the difference between anatomy and physiology 
anatomy- study of structure 
physiology- study of function 
 
 
 
what are the levels of organization 
subatomic particle- protons, electrons, neutrons 
atom 
molecule 
macromolecule 
organelle 
cell 
tissue 
organ 
organ system 
organism 
 
 
 
what are the characteristics of life? 
movement 
responsiveness 
respiration 
absorption 
secretion 
digestion 
assimilation- changing of absorbed substances into chemically different forms 
circulat...
![Biochemistry Final Exam - Portage Learning 2023](/docpics/2997794/64a1140c055a2_2997794_121_171.jpeg)
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Biochemistry Final Exam - Portage Learning 2023
- Exam (elaborations) • 5 pages • 2023
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True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. 
False 
 
 
 
True or False: Biomolecules can have two or more different functional groups. 
True 
 
 
 
True or False: The following functional group is an amine. 
 
C2H5NH2 
True 
 
 
 
True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules. 
False 
 
 
 
True or False: Carbon dioxide has a linear molecular shape AN...
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