The thylakoid membranes of a chloroplast is an internal system of interconnected membranes, that carry out the light reactions of photosynthesis. They are arranged into stacked and unstacked regions called grana and stroma thylakoids, respectively, that are differentially enriched in photosystem I and II complexes.
1 Broil 4- to 5-ounce boneless, skinless chicken breasts 12 to 15 minutes, turning over about halfway through the cooking time and brushing with sauce or seasoning if desired. 2  Remove chicken when it reaches 170 degrees F and is no longer pink.
Place the chicken breasts on a baking sheet. Bake the chicken breasts for 15 to 25 minutes. Remove the chicken from the oven when the internal temperature reaches 160 degrees Fahrenheit, the juices run clear and the meat does not appear pink. Test the chicken breast's temperature with a meat thermometer. Allow the chicken to cool for 5 minutes.