These medical condition or symptom topics may be relevant to medical information for Orchialgia: 1  Pain (6458 causes) 2  Pain symptoms (6458 causes) 3  Pain disorder.  Pain 1  syndrome. Testis.  Testis symptoms (247 1  causes) Testis disorder.  SYN. Orchalgia.
The innermost matrix of chloroplasts, called the stroma, contains metabolic enzymes and multiple copies of the chloroplast genome. Chloroplasts also have a third internal membrane called the thylakoid membrane, which is extensively folded and appears as stacks of flattened disks in electron micrographs.
Chloroplasts are plastids (Small organelles which contain pigment or food) which contain chlorophyll where photosynthesis occurs. Chlorophyll is the green pigment present in â¦ the chloroplast responsible for the absorption of sunlight to provide energy for photosynthesis.hlorophyll is the green pigment present in â¦ the chloroplast responsible for the absorption of sunlight to provide energy for photosynthesis.