Chloroplasts , Biology

Chloroplasts

Like mitochondria, chloroplasts are also distinctive organelles of eucaryotic cell. But they are found only in plant cells. Chloroplasts contain membranes forming a system of thin srs or larnellae stacked on top of each other. These membranes contain the pigment chlorophyll whose function is to trap light energy required to make organic molecules particularly sugars. This process is called photosynthesis. It is worth mentioning that chloroplasts resemble the present day cyanobacteria in size and structural organisation of chlorophyll bearing membranes. Chloroplasts also contain DNA and reproduce by self-replication. In fact a number of present day eucaryotic cells do contain cyanobacteria in them (Figure shown below).

 

1301_cholloroplasts.jpg

Posted Date: 12/10/2012 12:04:51 AM | Location : United States







Related Discussions:- Chloroplasts , Assignment Help, Ask Question on Chloroplasts , Get Answer, Expert's Help, Chloroplasts Discussions

Write discussion on Chloroplasts
Your posts are moderated
Related Questions
Biotolerant Metals :- Co- Cr Alloys, Stainless Steel, Gold,  niobium, tantalum Polymers:-  Polyethylene, polytetrafluorethylene, polyamide, polymethylmethacrylate, polyureth

Applications :  The first operation conducted was ligation of a patent ductus arteriosus through a left thoracotomy. Same approach is used for repair of coarctation of the aorta,

Septa prevent oxygenated and deoxygenated blood. Give reason

Canine distemper Canine distemper, a highly contagious disease of dogs, is caused primarily by air- borne virus which belongs to the genus Morbillivirus in family Paramyxoviri

How can the excretory system of annelids be described? In each segment (metamere) of the being a pair of complete excretory structures called metanephridium exists. The metanep

Determine the Symptoms of Shigellosis Symptoms:  Pathogenicity involves the release of lipopolysaccharide endotoxin, which infects the intestinal mucosa. Shigellosis ranges fro

a well lablled diagram of a tilapia

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

What is meant by saturation or unsaturation of oils and fats? When it is said that a triglyceride is saturated it means that in its molecule the carbon chain is bound in its ma

Infectious canine hepatitis The disease is caused by type-1 canine Adenovirus in the family Adenoviridae. The disease appears in pups as peracute, acute, and mild. The clinica