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!
Meroblastic or partial cleavage
The egg does not divide totally because divisions are restricted to only a part of the egg where as the rest of the egg remains completely uncleaved. It is of two types:
A. Discoidal meroblastic cleavage: It occurs in the heavily yoked macrolecithal and highly telolecithal eggs, as for instance in cephalopod molluscs, reptiles, birds and monotremes (egg laying mammals). The cleavage is restricted to the cytoplasmic germinal disc located at the animal pole. Even the germinal disc divides incompletely where as the entire yolk mass remains undivided.
B. Superficial meroblastic cleavage: This takes place in the centrolecithal eggs of insects. Cell divisions are restricted to the peripheral cytoplasmic layer whereas the centrally located yolky is left undivided.
Dissolved oxygen - Aquatic Habitats Oxygen in the terrestrial ecosystems occurs in the atmosphere along with other gases in a certain fixed concentration however, in aquatic e
Explain the Clinical manifestations for Obesity? You must have observed that your overweight friends and colleagues seem to have less energy which makes them an easy prey for f
What are the main gas exchange organs of the plants? How is the process accomplished? In the covering of the leaves and of the primary structure of the stem gas exchange is mad
What is the inactivation of the X chromosome? What is a Barr body? The Inactivation of the X chromosome is a phenomenon that occurs in women. Ever since women have two X chromo
Define risk of stress fracture among Athletes? There is an increased risk of stress fracture among athletes which is associated with lower calcium intake and lower bone density
Explain the carrying capacity in ecology? Carrying Capacity : We have seen that natural populations do not normally achieve the maximum intrinsic rate of natural increase, o
What are the Risks of migration Eg Getting lost (blown off course or similar) and the effect of this when there is a limited fuel supply. Insufficient food to build
Can you give me an explanation on the osmoregulation of the Phyla Cnidaria, Ctenophora, Porifera and the Protozoa?
Blunt Injury Closed penumothorax Tension pneumothorax Tracheobronchial injury Fracture ribs and flail chest Mediastinal injury
Explain Systolic Murmurs in heart diease details? Definition: Murmurs is a series of auditory vibrations that are more prolonged than a sound. Causes: High-energy turbulence ca
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