Proton gradient Study guides, Class notes & Summaries

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 ...

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...

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...

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 ...

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...

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 - ...

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...

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...

BIOL 101 Quiz Energy and Information Liberty University Lynchburg Question 1 3.2 / 3.2 pts Which of the following phrases best describes the role of NADPH in photosynthesis? It absorbs light energy. It allows protons across membranes. It carries electrons from one stage of photosynthesis to the other. It converts useless wavelengths of light into more useful ones for photosynthesis. It prevents electron flow when no further energy is needed. Question 2 3.2 / 3.2 pts Each wavelength ...

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...