Euglena, Biology

Assignment Help:

Take the prepared slide of Euglena and focus it first under low power and next under the high power of tlie microscope. Observe tlie following characteristics:

i) Euglena is an oval spindle shaped organism with a blunt anterior end and a pointed posterior end.

ii) Body is externally covered with a pellicle.

iii) Underneath the pellic le the cytoplasm is clearly differentiated into an outer ectoplasm and an inner endoplasm.

iv) Anterior end of the body bears an opening cytostome, which continues illternally as a tubular cytopharynx. The cytopllarynx leads into a large splier ical reservoir.

v) From the base of the reservoir a single whip-like flagellum arises.

vi) A single large spherical nucleus is located towards the posterior region of the body.


Related Discussions:- Euglena

State the amount of micronutrients in fertilizers, State the amount of micr...

State the amount of micronutrients in fertilizers The amount of micronutrients in fertilizers must be much more carefully controlled than the macronutrients. The difference be

Formation of double bonds, In eukaryotes  the SER has enzymes  able to begi...

In eukaryotes  the SER has enzymes  able to begin  double  bonds into fatty acyl CoA molecules  in an oxidation  reaction  which uses molecular  oxygen.  This reaction is catalyzed

What are the two divisions of the autonomic nervous system, Q. What are the...

Q. What are the two divisions of the autonomic nervous system? The autonomic nervous system is divided into the parasympathetic nervous system and the sympathetic nervous syste

An experiment to determine which seed is best for lawn, Assume that your ya...

Assume that your yard has many tall trees that result in about fifty percent of the yard being shaded and fifty percent of the yard being exposed to full sun. The shaded areas and

What is meant by terminal electron acceptor, What is meant by terminal elec...

What is meant by terminal electron acceptor? Give examples of e acceptors for aerobic and anaerobic respiration.

What are the reasons of food processing, What are the reasons of Food Proce...

What are the reasons of Food Processing? The reasons for food processing may vary, but the main objectives are to: Preserve the nutritive quality of food by preventing th

How is a disease-resistant plant selected for breeding, How is a disease-re...

How is a disease-resistant plant selected for successful breeding? Why is the process of fertilisation in a flowering plant referred to as double fertilisation? Explain. Nam

Molecular biology on which dna fingerprint is based, What is the fact of Mo...

What is the fact of Molecular Biology on which DNA fingerprint is based? The DNA fingerprint, the method of individual identification using DNA, is based on the fact that the D

Acyanotic congenital heart disease, Acyanotic Congenital Heart Disease   ...

Acyanotic Congenital Heart Disease   In this infant has no cyanosis because there is no abnormal communication between pulmonary and systemic circulation or there  is no mixing

Molluscs., what are the economic and ecological importance of molluscs

what are the economic and ecological importance of molluscs

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