Plastids, Biology

Assignment Help:

Plastids

  1. The term plastid first used by Haeckel (1865).
  2. These are present in plants and few protists (Euglena).
  3. On the basis of function plastids are of three types - Leucoplast, Chloroplast and Chromoplast. All types of plastids have common origin from proplastids, sac like non-lamellar structures. Different types of plastids may transform from one form to another. But chromoplasts never transform to chloroplasts.

1825_plastids.png


Related Discussions:- Plastids

How the average number of offspring raised to adulthood, Researchers (Helle...

Researchers (Helle et al., 2004) analyzed rates of twin births in the Sami population of Northern Scandinavia during the eighteenth and nineteenth centuries. They found that (1) a

Pneumonia, Pneumonia Pneumonia is an inflammatory process in which th...

Pneumonia Pneumonia is an inflammatory process in which there is consolidation in lung caused by exudates filing the alveolar spaces. Gas exchange cannot take place in the c

What is the autotrophic hypothesis on the origin of life, What is the autot...

What is the autotrophic hypothesis on the origin of life? The autotrophic hypothesis on the origin of life asserts that the first living beings on earth were producers of thei

Animal nutrition - zoology, Anima l Nutrition Nutrition is the procu...

Anima l Nutrition Nutrition is the procurement of substances necessary for growth, maintenance and activities of a living body. The substances used for nutrition are called

Obelia, Obelia is considered to be of special interest in zoology as an ani...

Obelia is considered to be of special interest in zoology as an animal showing an intermediate grade of organization?

Causes of gastro oesophageal reflux disease, Q. Causes of gastro oesophagea...

Q. Causes of gastro oesophageal reflux disease? GERD may develop due to any of the following reasons: • decreased muscle tone or abnormal relaxation of the LES, • reduced st

Which hormones secreted by the adenohypophysis, Q. What are the hormones se...

Q. What are the hormones secreted by the adenohypophysis? What are their respective functions? The ACTH (adrenocorticotropic hormone), adenohypophisys secretes GH (growth hormo

Bomb calorimeter, Bomb calorimeter is used to determine the calorific value...

Bomb calorimeter is used to determine the calorific value of solid and liquid fuels. Construction          It consists of following parts 1.      Stainless steel bomb:

Explain food applications of curdlan, Food Applications of Curdlan Curd...

Food Applications of Curdlan Curdlan has a variety of food applications as enumerated herewith: a)  Meat and Poultry Curdlan makes meat and poultry products juicier and

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd