Proton gradient Study guides, Class notes & Summaries
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SFSU Biology 230 Final Exam with complete solutions
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SFSU Biology 230 Final Exam with complete solutions 
What are the two components of the proton-motive force? 
a. pH gradient and equilibrium 
b. pH gradient and voltage 
c. voltage and ATP 
d. voltage and lipid-soluble agents - ️️ b. pH gradient and voltage 
Which molecule is responsible for unwinding DNA supercoils before replication in E. 
coli? 
a. DNA helicase 
b. DNA ligase 
c. DNA polymerase III 
d. Gyrase 
e. Topoisomerase I/II - ️️ a. DNA helicase 
What is the likely cause of an ...
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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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BioChem C785 WGU Module 4
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The polysaccharide cellulose is composed of sugar monomers linked through beta 
linkages, with their CH2OH groups in opposite direction relative to the neighboring 
monomer. 
 True 
Nutrient that can not be broken down to a substance that can participate in the 
production of ATP via aerobic cellular metabolism 
 Vitamin E 
Glycolysis produces 2 ATP molecules, through what process are these ATP molecules 
made? 
 Substrate level phosphorylation 
What product of beta oxidation is able to enter th...
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AQA A-Level Biology Comprehensive Exam || All Questions & Answers (Graded A+)
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AQA A-Level Biology Comprehensive Exam || All Questions & Answers (Graded A+) 
AQA A-Level Biology Comprehensive Exam || All Questions & Answers (Graded A+) 
 
Describe the role of a ribosome in the production of a polypeptide. /3 - ANSWER - 1. mRNA binds to ribosome; 
2. Idea of TWO codons/binding sites; 
3. tRNA with ANTICODONS binds; 
4. (Catalyses) formation of PEPTIDE bond between AMINO ACIDS (held by tRNA molecules); 
5. Moves along (mRNA to the next 
codon); 
 
Describe the structure of g...
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BIOLOGY MAJOR FIELD TEST STUDY SET 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED
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BIOLOGY MAJOR FIELD TEST STUDY SET 2024 
QUESTIONS WITH CORRECT ANSWERS ALREADY 
PASSED AND VERIFIED 
"4 Biomolecules and Monomers - CORRECT ANSWER Protein (amino acids) 
Carbohydrates (simple sugars) Lipids (glycerol and fatty acids) Nuclei acids 
(nucleotides)" 
dipeptides - CORRECT ANSWER two amino acids bonded together 
what is the general fatty acid formula - CORRECT ANSWER CH3(CH2)nCOOH 
where n= an even number between 12 and 24 
explain identifying saturated vs. unsaturated fats - ...
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Bio Sci 93 Midterm 2 Practice Questions with Verified Answers
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Bio Sci 93 Midterm 2 Practice Questions 
 
with Verified Answers 
 
Catabolism is to anabolism as ___________________ is to ___________________. 
 
a.) exergonic; spontaneous 
b.) exergonic; endergonic 
c.) free energy; entropy 
d.) work; energy b 
 
Most cells cannot harness heat to perform work because 
 
a.) heat does not involve a transfer of energy. 
b.) cells do not have much thermal energy; they are eventually cool. 
c.) temperature is usually uniform throughout a cell. 
d.) heat can neve...
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BCH210 Final exam (CYCLES) Questions With Complete Solutions
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What does Rotenone and amytal do? correct answer: Inhibit electron flow from complex I to CoQ 
 
What does antimycin A do? correct answer: blocks complex III 
 
What does Cyanide, azide and Co do? correct answer: Inhibit complex IV 
 
what does oligomycin do? correct answer: inhibits ATP synthase, by binding to c subunit of ATP synthase blocking the flow of protons 
 
What are uncouplers? correct answer: disconnect ATP synthesis from electron flow, have ability to transport protons across i...
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Final BIOS 251 week 8 tested and verified questions and answers
- Exam (elaborations) • 8 pages • 2024
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Final BIOS 251 week 8 tested and 
verified questions and answers 
Components of the homeostatic control loop - CORRECT ANSWER-receptor, control 
center, effector 
Negative feedback - CORRECT ANSWER--works to oppose change 
-brings condition back to a set point 
Positive feedback - CORRECT ANSWER--works to enhance change 
-brings condition further away from a set point 
Tonicity - CORRECT ANSWER-relates to how the solution influences the shape of body 
cells 
Hypotonic solution - CORRECT ANSWE...
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BIO 2120 Exam 3 - Questions and Answers
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BIO 2120 Exam 3 - Questions and Answers What is the key to maintaining the functional organization of a cell? The selectivity of vesicular transport- vesicles must recognize and fuse only with the appropriate target membrane Transport vesicles from the ER are coated with ___. Cytosolic coat proteins- coats assemble as the vesicle buds off and are removed in the cytosol before it reaches its target. The vesicles fuse with the target membrane, empty their cargo, and their membrane proteins diffus...
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Biology 1406: Exam 3 | 71 Questions and Answers(A+ Solution guide)
- Exam (elaborations) • 9 pages • 2023
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autotrophs - an organism able to build all the complex organic molecules that it requires as its own 
food source 
heterotroph - an organism that cannot derive energy from photosynthesis or inorganic chemicals , 
and so must feed on other plants and animals, obtaining chemical energy by degrading their organic 
molecules 
cellular respiration - the oxidation of organic compounds to extract energy from chemical bonds 
dehydrogenation - chemical reaction that involves the loss of a hydrogen atom, ...
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