1. Define energy and state where livingthings get the energy they need.2. What is an autotroph? Give anexample.3. How does photosynthesis changeenergy?4. How do heterotrophs obtain food?5. What are the stages ofphotosynthesis? Which stage occursfirst?6. Describe the chloroplast and its rolein photosynthesis.7. Summarize what happens duringthe light reactions of photosynthesis.

Energy, a quantifiable attribute, manifests itself in the execution of work and the emission of heat…

Answered: 1. Define energy and state where living…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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SECTION 4: FACTORS AFFECTING ENZYME RATE You now know that enzymes have a very specific shape and they must retain their shape in order to function properly. There are many factors that can change the shape of an enzyme and/or change the rate at which it works. Concentration of enzyme or substrate, temperature and pH are just a few factors that have the potential to change the rate of a chemical reaction. 16. With the knowledge that a lot of enzymes work within the human body, hypothesize what temperature and pH might be optimal for enzymes to work properly. Analyze the experiment below to determine the effects of temperature and pH on enzymatic activity. H₂O2 is produced as a byproduct of many metabolic processes, but it is toxic to most living organisms. Many organisms are capable of enzymatically destroying the H₂O2 before it can do much damage. H₂O₂ can be converted to oxygen and water, as follows: 2 H₂O2 → 2 H₂O + O₂ Although this reaction occurs spontaneously, enzymes increase…
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1. Which of the following forms of energy is correctly paired with its definition? a. Thermal energy - the energy in a system due to its temperature b. Potential energy - the energy associated with an object's motion c. Kinetic energy - the stored energy of an object due to its position d. Chemical energy - the energy contained within a system that is responsible for its temperature 2. Which of the following summarizes the first law of thermodynamics? a. Energy cannot be created or destroyed. b. Energy cannot be transferred or transformed. c. The total entropy of a system increases over time. d. Two systems that are in equilibrium with a third system are in equilibrium with one another 3. Which of the following is a thermodynamic quantity that combines enthalpy and entropy? a. Maximum enthalpy b. Minimum enthalpy c. Grand entropy d. Free energy 4. The Δ G value for the formation of gaseous water at 25°C and 1.0 atm is −228 kJ/mol. Given this…
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1. Define energy and state where living things get the energy they need.