Hemerythrins - respiratory pigments, Biology

Assignment Help:

Hemerythrins - Respiratory Pigments

The Hemerythrins are rather rare. They take place in some animals belonging to the minor phyla like the sipunculid worms, some brachiopods, priapulids and in the polychaete Magelona. Hemerythrins are situated intra-cellularly, usually in Cells of the coelomic fluid or in blood cells as in Magelona. In spite of their name, Hemerythrins do not contain haee groups. Though they, contain ferrous iron, bound directly to the protein. They have molecular weights of about 75,000. These pigments are colorless while deoxygenated but turn reddish violet when oxygenated.


Related Discussions:- Hemerythrins - respiratory pigments

Explain phylum rhodophyta, Phylum Rhodophyta (Red algae) 1) The photosy...

Phylum Rhodophyta (Red algae) 1) The photosynthetic pigments include red pigments (phycoerythrin) and blue pigment (phycocyanin) apart from chlorophyll, of which red pigment pr

Explain precautions for gram staining of bacterial cultures, Explain Precau...

Explain Precautions for Gram Staining of Bacterial Cultures? 1. The dilutions should be chosen on the basis of expected counts in the food sample. 2. Food should be kept in

From which structures is the nuclear membrane composed, Eukaryotic cells ha...

Eukaryotic cells have nucleus delimited by two juxtaposed membranes that start with the membrane of the endoplasmic reticulum. The nuclear membrane, or karyotheca, represents pores

Explain alkaline butt -carbohydrate utilization pattern test, Explain Alkal...

Explain Alkaline Butt -carbohydrate utilization pattern test? Alkaline slant (red) and alkaline butt (red) or no change (orange-red) butt- Instead of carbohydrates, peptone in

Define functions of organic phosphorus, Define functions of Organic Phospho...

Define functions of Organic Phosphorus? It is involved in the following reactions/components: a) Structural component of nucleic acids: It is important component of DNA and

Explain the character of pulse, Explain the Character of Pulse ? A norm...

Explain the Character of Pulse ? A normal pulse wave has an upstroke and down stroke. Dicrotic notch present on direct arterial traces is impalpable. Figure: Arterial

Define poverty and ignorance - cause of anaemia is dietary, Define Poverty ...

Define Poverty and ignorance - cause of anaemia is dietary? Low purchasing power of the communities and their consequent inability to meet the nutrient requirements, even after

Hypothesis - nursing research, Hypothesis: The  spelling of hypothesis...

Hypothesis: The  spelling of hypothesis when written  as  "hypotheses"  indicate plural. The hypothesis is a statement or declaration of  the expected outcome of a research st

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