Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
EMBRYONIC MEMBRANES -
Such animals are called amniota. Embronic membranes are of 4 types -
(i) Yolk sac -
It is formed below the embryo. It contains fluid (no yolk)
It is double layered, made up of outer mesoderm and inner endoderm. First organ to form R.B.C.
(ii) Amnion -
It encloses a fluid filled space amniotic cavity. It surrounds complete embryo.
The embryo is suspended in the amniotic cavity by an umbilical cord.
The main b.v. from the placenta reach the foetus through the umbilical cord.
Amniotic fluid is derived from the foetal kidneys & bladder i.e. it is foetal urine.
Amniocentosis is method to detect sex of foetus & chromosomal defects.
(iii) Allentoise -
A small sac., consists of endoderm inside & mesoderm outside. It is excretory in nature, stores nitrogenous waste.
(iv) Chorion -
It completely surrounds embryo, outerly made up of ectoderm & inner of mesoderm.
What is a burette and how is it used? A burette is a uniform-bore glass tube with fine gradations and a stopcock at the bottom, used particularly in laboratory procedures for a
negative and positive feedback
Explain the Competitive behaviour of social animal group dominance behaviours removal of individuals to other groups which minimises inbreeding eg lions, apes.
If a person is heterozygous for the 32 allele of the CCR5 gene, how many of the four daughter cells produced by meiosis will have the 32 allele?
What are trends of the gametophyte in the evolution of plants? The tendency of the gametophyte evolution in plants has been towards the formation of gametes that are self-dete
Define Food Intake and Energy Requirements for Humans? Many studies have shown that the subjects loose significant amounts of body mass; fat mass, as well as, fat free mass du
Consequences of Air Pollution The physiological effects of toxic pollutants on living beings can be of two types: Acute effects and Chronic effects. Acute effec
Define Etiology and Clinical Features that causes neurological disorder? The cause of this neurological disorder can be mechanical or paralytic. The mechanical cause is primari
Archaeological data provide valuable information about the uses of plants in the past. Information comes from a number of sources, including fossil plant and human remains as well
Bacteria have a region known as a nucleoid, in which their genetic material is located. Why, then, are bacteria classify as prokaryotes? The nucleoid is not surrounded by a mem
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd