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.
Thick chicken breasts will need about 20 minutes, while thinner, flatter pieces and smaller chicken breast halves will only need about 15 minutes. 2. Boil bone-in chicken breasts for 30 minutes. The skin and bone adds thickness to the chicken breasts, essentially doubling the amount of time they need to cook.