Photosystem i Study guides, Class notes & Summaries

Which term most precisely describes the cellular process of breaking down large molecules into smaller ones? correct answer: catabolism Whenever energy is transformed, there is always an increase in the correct answer: entropy of the system Which of the following is an example of kinetic energy rather than potential energy? correct answer: light flashes emitted by a firefly Which of the following is true for all endergonic reactions? correct answer: the products have more total ener...

What happens when a suitable substrate binds to an enzyme? - ANSWER-The active site amino acids bond with the substrate Cyanide binds to cytochrome oxidase at a site where the substrate oxygen would normally bind. This is an example of - ANSWER-competitive inhibition an example of a catabolic reaction is - ANSWER-lactate fermentation what is an anabolic process that is endergonic and endothermic? - ANSWER-CH₄ +2O₂ → CO₂ + 2H₂O ATP yields 7.3 kcal/mol of free energy and it i...

AQA A-level BIOLOGY (7402/1) Paper 1 PREDICTION QUESTIONS AND ANSWERS 2024 SPECIMEN VI Question 1: (a) Describe what is meant by the term 'metabolic rate'. [2] (b) Explain how the control of body temperature is an example of homeostasis. [4] Answer 1: (a) 'Metabolic rate' refers to the rate at which chemical reactions occur within an organism's cells. It's a measure of the amount of energy expended by an organism per unit of time. (b) The control of body temperature is...

Bio 101 Exam Questions with Correct Answers What equation best summarizes photosynthesis? - Answer-6 CO2 + 6 H2O → C6H12O6 + 6 O2 Where does the Calvin cycle occur? - Answer-in the stroma of a chloroplast The light reactions of photosynthesis use _____ and produce _____. - Answer-water.... NADPH _____ has a longer wavelength than _____. - Answer-red...green What enzyme phosphorylates ADP to make ATP? - Answer-ATP synthase _____ releases energy that is used to pump hydrogen i...

Campbell Biology Chapter 10 Final Exam 2024. E - ANSWER If photosynthesizing green algae are provided with CO2 synthesized with heavy oxygen (18O), later analysis will show that all but one of the following compounds produced by the algae contain the 18O label. That one is A) PGA. B) PGAL. C) glucose. D) RuBP. E) O2 E - ANSWER Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle? A) CO2 and glucose B) H2O and O2 C) ADP, Pi, an...

AQA A-level BIOLOGY (7402/1) Paper 1 MARKING SCHEME QUESTIONS AND ANSWERS 2024 SPECIMEN VI Question 1: (a) Describe what is meant by the term 'metabolic rate'. [2] (b) Explain how the control of body temperature is an example of homeostasis. [4] Answer 1: (a) 'Metabolic rate' refers to the rate at which chemical reactions occur within an organism's cells. It's a measure of the amount of energy expended by an organism per unit of time. (b) The control of body temperature is ...

Biology 1108 final exam Questions and Answers 100% Pass Monophyletic Group - Correct Answer ️️ -includes all the descendants of a common ancestor, and its considered a natural grouping of organisms based on a shared ancestry. Paraphyletic Group - Correct Answer ️️ -some (not all) of descendants of a common ancestor Polyphyletic Group - Correct Answer ️️ -organisms from distinct lineages based on shared characters, but no common ancestor Homologies - Correct Answer ️️ -si...

What is a metabolic pathway? - Answer-A pathway that a molecule goes through, resulting in a specific product. What is metabolism? - Answer-The totality of an organisms chemical reactions Gibbs free energy - Answer-Portion of a system that can perform work when temp and pressure are uniform throughout the system. What does a negative Delta G mean? - Answer-A process that is spontaneous/exergonic What does spontaneous mean? - Answer-Means that a process will occur. What happens to the ener...

Ultimate Study Guide for Science Bowl— Biology Rated A+ Ether Lipid Lipids in which one or more of the carbon atoms on glycerol in bonded to an alkyl chain via an ether linkage, as opposed to the usual ester linkage. Ethers (plasmalogens) Class of organic compounds that contain an ether group--an oxygen atom connected to two alkyl or aryl groups-- of general formula R--O--R'. Peroxisome (Microbodies) Organelles found in all eukaryotic cells--they are involved in the catabolism ...

BIOL 1P91 Prep Test Questions Answered Correctly | LATEST UPDATE 2 reactions that make up photosynthesis - ANSWER Light reactions Calvin cycle light reaction - ANSWER - Uses light energy - Occurs in the thylakoid membrane - Produces ATP, NADPH and O2 Calvin Cycle - ANSWER - Occurs in stroma - Uses ATP and NADPH to incorporate CO2 into carbohydrate Equation for photosynthesis - ANSWER 6CO2 + 6H2O + light energy = C6H12O6 + 6O2 Where CO2 is reduced and H2O is oxidized Photosynthe...