Hydrogen bond Study guides, Class notes & Summaries
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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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Chem 219: Module 2 Exam Questions With 100% Correct Answers
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Chem 219: Module 2 Exam 
Questions With 100% Correct Answers 
What are hydrocarbons? - answerMolecules composed of only the elements carbon and 
hydrogen 
What are the two major classes of hydrocarbons? - answerAromatic (benzene) and aliphatic 
(alkanes, alkenes, alkynes) 
What is the main source of hydrocarbons? - answerFossil fuels like coal, petroleum, and 
natural gas obtained by mining and drilling. 
What are Alkanes? - answerThey are saturated hydrocarbons because their skeleton is only 
c...
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BLG1501 Assignment 1 2024 Semester1 (Solutions)
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BLG1501 Assignment 1 2024 Semester1 (Solutions) 
 
Question 1 
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What is the basic unit of life? 
a. 
Cells 
b. 
Nuclei 
c. 
Organelles 
d. 
DNA 
Question 2 
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RNA is an example of a _____. 
a. 
polysaccharide 
b. 
fat 
c. 
polypeptide 
d. 
nucleic acid 
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What is the chemical composition of fats? 
a. 
fatty acid...
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Bio WGU study for OA c190 QUESTION AND CORRECT ANSWER Latest update 2023
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Adaptation- - correct answersThe adjustment or changes in behavior, physiology, and structure of an organism to become more suited to an environment. 
 
Aerobic- - correct answersA process that requires oxygen. 
 
Allele -An alternative form of a gene. An example would be genes that encode eye color—some encode blue eyes (one allele), while others encode brown, green, or hazel eye colors (other alleles). - correct answers 
 
amino acids - - correct answersA small organic molecule with the stru...
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Chem 219 Unit 5 Exam with Correct Solutions
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Chem 219 Unit 5 Exam with Correct Solutions 
Generic formula for alcohols - Answer -R-OH 
phenol - Answer -hydroxy-substituted aromatic molecules (any compound with an -OH attached to a 
benzene ring) 
IUPAC system rules for naming organic alcohols - Answer -- organic alcohols are named by replacing the 
suffix of the parent chain of the molecule with the suffix -ol 
- The parent chain is numbered so as to give the hydroxyl group the lowest possible number. (examples: 
1-propanol, and cyclohexan...
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NBDHE Review| 667 QUESTIONS| WITH COMPLETE SOLUTIONS
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What is a benefit of resin-based sealants? 
 
A.) Fluoride is released from material to inhibit decay 
B.) When placed correctly, retention is excellent 
C.) Bond strength is improved in a moist environment 
D.) No polymerization shrinkage occurs Correct Answer: B.) When placed correctly, retention is excellent 
 
Which is the most common desensitizing agent found in over-the-counter dentifrices? 
 
A.) Potassium 
B.) Glutaraldehyde 
C.) Hydrogen Peroxide 
D.) Triclosan Correct Answer: 
 ...
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2022 HESI A2 BIOLOGY V2
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2022 HESI A2 BIOLOGY V2 
1. Which of the following statements is true if a molecule has adhesion? 
A. Two molecules of the same substance have the ability to stay 
bonded to one another 
B. The molecule has the ability to bond to or attract other molecules 
B. A molecule has the ability to increase its heat when necessary 
C. The molecule has the ability to form hydrogen bonds 
2. Which of the following statements is most accurate regarding the 
transcription of DNA? 
A. RNA uses reverse transcr...
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C190 WGU Biology exam 2023 with 100% correct answers
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Biological macromolecules 
formed when atoms of carbon, hydrogen, oxygen, nitrogen, phosphorus, and other elements bond with each other in unique and varied ways 
 
 
 
Atom 
building blocks of all matter 
 
 
 
four classes of biological macromolecules 
carbohydrates, lipids, proteins, and nucleic acids 
 
 
 
cell 
fundamental, basic unit of life 
 
 
 
Matter 
anything that occupies space and has mass 
 
 
 
Subatomic Particles of Atom 
protons, neutrons, and electrons 
 
 
 
Electrons 
Subat...
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ANATOMY AND PHYSIOLOGY TEST 1/2/3/4/5/6/7 QUESTIONS AND ANSWERS LATEST UPDATED 2023
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ANATOMY AND PHYSIOLOGY TEST 1/2/3/4/5/6/7 QUESTIONS AND ANSWERS LATEST UPDATED 2023. How can such a weak bond like hydrogen bond work to make DNA such a stable molecule? - 
ANSWER hydrogen bonds bond DNA into its double-helix structure by holding together the 
base pairs in the middle; they cause molecules to fold and coil into precise threedimensional shapes 
which elements are found in organic molecules? - ANSWER carbon, hydrogen, and oxygen 
acid - ANSWER proton donor 
base - ANSWER proton ac...
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MCB: All Exam Questions and Answers 2023 with complete solution;(MCB test bank)
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MCB: All Exam Questions and Answers 2023 with complete solution;(MCB test bank) 
 
50 multiple choice questions, covering all the topics we've taught you over the course of the semester. The exam will be split into 4 sections: 1) Proteins (10 points) 2) DNA (10 points), 3) Transcription & Translation (10 points) , and 4) Energy & Metabolism (20 points). The best way to prepare for this exam is to review your old exams and focus on the "big pictures" of each lecture using the "specifics to kn...
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