IMG1838
.png
School
Mustang Hs**We aren't endorsed by this school
Course
SCIENCES DON'T KNOW
Subject
Biology
Date
Dec 18, 2024
Pages
1
Uploaded by PresidentPonyMaster1236
o~ ~ P e 1 | @ drive.google.com = (, ‘*m Unit 3 AP ... w KEY.pd o e 16. Cellular processes that release energy may be coupled with cellular processes that require energy A. Describe ATP hydrolysis and EXPLAIN why ATP hydrolysis is needed ATP hydrolysis(exergonic reaction) breaks the bond between the 27 and 3 phosphate releasing the energy. ATP hydrolysis is coupled(linked) with an endergonic reaction since the energy that is released from the breakdown of ATP is used to power endergonic reactions B. Which graph would represent ATP hydrolysis and JUSTIFY your answer Graph A Graph B AT T v S 7 Reaction Coordinate Reaction Coordinate Graph B would be ATP hydrolysis since it is an exergonic reaction. The product is lower than the reactant so energy was released. The energy released in graph B (ATP hydrolysis) will be used to power graph A (endergonic reaction) C. EXPLAIN why ATP hydrolysis is often coupled with other reactions and STATE a reaction that would be coupled with ATP Endergonic reactions require energy and the energy that is released from ATP hydrolysis (exergonic reaction)will be used to power the endergonic reactions such as protein synthesis and the sodium/ potassium pump 17. Organisms capture and store energy for use in biological processes DESCRIBE how photosynthesis is involved in capturing energy Chlorophylls( found in both photosystem I1 and I) and accessory pigments absorb the suns energy and boost electrons to a higher energy level and through process of photosynthesis the energy is stored in sugar B. Explain the dependence of organisms on the process of photosynthesis Organisms that are unable to convert suns energy to chemical energy, rely on photosynthesis to do the process. The organisms have to then consume the photosynthetic organism to obtain the stored energy C. Describe the relationship between cellular respiration and Photosynthesis Photosynthesis converts solar energy into chemical energy and cellular respiration converts the chemical energy into the usable ATP energy 18. The light-dependent reactions of photosynthesis in eukaryotes involve a series of coordinated reaction pathways A. Describe the structure of the chloroplast and state where the light dependent reaction and the Calvin cycle take place The chloroplast has a double membrane on the outside with thylakoids stacked on the inside which compartmentalize the organelle. The light dependent reaction occurs in the thylakoid membranes and the calvin cycle occurs in the stroma. B. Explain the importance of the light reaction Produces ATP and NADPH which is used to power the calvin cycle C. Describe the importance of pigments such as chlorophylls and accessory pigments and EXPLAIN why it is beneficial to a plant to have all types not just one Pigments are able to absorb the photons of light from the sun and boost electrons to a higher energy state. Different pigments absorb different wavelengths of light allowing more photons of light to be absorbed making it more efficient D. Explain how chlorophyll is used in the light reaction Absorb photons of light to boost electrons to a higher energy state E. Describe the involvement i 1 1 Photolysis occurring splitti F. Describe how the high The high energy electrons membrane. The energy prov hydrogens into the thylakoid spate G._Explain the importance of thvlakoid membrane in the production on ATP < (h d to . ectrons lost to NADPH S Q <l DR 1 (e thylakoid s to actively transport
