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Part I: Question 1 Light dependent reactions are carried out both on and in between photosystems. This process is like the last stage of aerobic respiration in that both Question 2 In the chloroplast, light dependent reactions take place in the __________________ while light independent reactions take place in the […]

O-acetyl serine has the following structure: O OII IIC—C—O—C—C—C—OHINH2It can can be hydrolyzed to acetic acid and serine by O-acetyl serine acetylase. A reactio mixture containing 20 mM O-acetly serine, 50 mM NaCl, 50 mM HEPES buffer (pH 7.6), and O-acetyl serine is incubated at 37 C until the O-acetyl […]

Why Do Tropical Birds Lay Fewer Eggs? Introduction to the Activity You learned that trade-offs among life history traits are commonly observed in nature. Remember that trade-offs arise when a change in one trait that leads to an increase in fitness is counter-balanced by change in another trait that leads […]

1. Explain how regular exercise reduces the risk of heart disease. 2. Define stroke volume and discuss how stroke volume can be altered. Explain the effect of changes in stroke volume on cardiac output using the appropriate formula for determining cardiac output. 3. Trace the path of one drop of […]