Proton gradient Study guides, Class notes & Summaries
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PORTAGE LEARNING | BIOD 171 FINAL EXAM 2022
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BIOD 171 FINAL EXA M 2022 
Portage Learning 
FINAL EXAM 
1.	True or False: A virus is considered a microorganism. 
 
False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 
 
2.	What is the smallest biological unit of life? 
 
A cell. 
 
3.	At a generalized level, all cells are comprised of what? 
 
Macromolecules* 
*A student ma...
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NUSCTX 10 Midterm 1 - UC Berkeley Latest Update Already Graded A
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NUSCTX 10 Midterm 1 - UC Berkeley 
Latest Update Already Graded A 
 
Anabolism Uses energy to construct components of cells. 
 
Catabolism Breaks down organic matter, for example, to harvest energy. 
 
Nutrient Density A measure of the nutrient a food provides compared to its energy content. 
 
Trace Minerals Needed only in tiny amounts. 
 
These minerals participate in most chemical reactions in the body. 
 
These include iron, zinc, iodine, copper, manganese. 
 
Protein Complementation The act...
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025.
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025. The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse 
Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX 
Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their natural e...
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MRI-ARRT study guide Questions with 100% Correct Answers | Updated & Verified | 2024
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The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse 
Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX 
Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - 
Ra...
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NAS 2 Challenge Exam (2023/2024) | Grade A| More than 100 Questions and Verified Answers
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NAS 2 Challenge Exam (2023/2024) | Grade 
A| More than 100 Questions and Verified 
Answers 
QUESTION 
 Describe The Krebs cycle, its location in the prokaryotic and eukaryotic cell, name the three 
organic molecules it can use to make ATP, and name the waste product it produces 
 
 
Answer: 
- Eukaryotic cells.: The matrix of the mitochondria 
- Prokaryotic cells: Cytoplasm 
- Pyruvate, Fatty acids, and Amino acids 
- CO2 and H2O 
 
 
 
QUESTION 
 Describe the electron transport chain,...
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Biology 1406: Exam 3 Latest Version Graded A+
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Biology 1406: Exam 3 Latest Version 
 
Graded A+ 
 
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 r...
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Mod7,8, Medical Biochemistry Unit 1 Exam, Week 2 Evaluation, Pre-Evaluation Question Bank 1with Verified Answers| 100% Correct| 100% Score
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Mod7,8, Medical Biochemistry Unit 1 Exam, Week 2 Evaluation, 
Pre-Evaluation Question Bank 1with Verified Answers| 100% 
Correct| 100% Score 
Succinate is a substrate for which complex in the ETC? - Complex II 
In the case of an exothermic reaction: - deltaG0 (spontaneous reaction) would be negative 
Last cytochrome in ETC, cytochrome oxidase, passes electrons to O2. Cytochrome oxidase is able to do 
this because it has: - lower Km for oxygen then hemoglobin 
The lower Km for oxygen allows cytoc...
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BIOS 251 Final Exam Latest Update Graded A+
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BIOS 251 Final Exam Latest Update 
 
Graded A+ 
 
Components of the homeostatic control loop receptor, control center, effector 
 
Negative feedback -works to oppose change 
-brings condition back to a set point 
Positive feedback -works to enhance change 
-brings condition further away from a set point 
Tonicity relates to how the solution influences the shape of body cells 
 
Hypotonic solution RBC undergoes hemolysis (swelling) 
 
Hypertonic solution RBC undergoes crenation (shrinki...
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GENERAL BIOLOGY Exam Guide 2| Questions Answered 100% Correct/Verified Solutions
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protonema (protonemata) - ANSWER a mass of green, branched, one-cell-thick filaments 
produced by germinating moss spores 
protonephridium (protonephridia) - ANSWER an excretory system, such as the flame bulb 
system of flatworms, consisting of a network of tubules lacking internal openings 
proton-motive force - ANSWER the potential energy stored in the form of a proton 
electrochemical gradient, generated by the pumping of hydrogen ions (H+) across a biological 
membrane during chemiosmosis
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WGU C785 Biochemistry Final Exam Latest 2022
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WGU C785 Biochemistry Final Exam Latest 2022. Which of the following enzymes is part of both the TCA cycle and the electron transport 
chain? 
ATP synthase (Complex I) 
NADH oxidoreductatase 
Cytochrome c 
Succinate dehydrogenase (Complex II) – 
Succinate dehydrogenase 
ATP is used to carry energy within the cell. The majority of energy in ATP is stored 
within which of the following bonds indicated on the image below? 
3 
1 
2 
4 - 1 
In the case of a deficiency in phenylalanine hydroxylase w...
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