Function of vitellus
Specify the function of vitellus within the vertebrate egg? Classify these eggs in accordance with the amount of vitellus within them?
Expert
Vitellus (yolk) is defined as the nutritive material which accumulates within the cytoplasm of the egg (zygote) with function of nourishing the embryo. In accordance with the amount of vitellus within them, the vertebrate eggs are classified as
a) Oligolecithal (little yolk),
b) Centrolecithal, or heterolecithal (more yolk diffusely distributed) and
c) Telolecithal (more yolk concentrated in one end of the egg).
As compared to mammals do birds absorb less or more water in their digestive system? Why is this phenomenon an adjustment to flight?
Define antigensity? Answer: The capability of an antigen to join particularly with the final products of immune response is termed as antigensity. <
The feminization of the workforce has increased substantially. Though women's participation in the workforce is increasing, their share of the rewards of participation is not increasing commensurately.
Which are the cell organelles which participate in cell division and in the making of cillia and flagella of certain eukaryotic cells?
In ancient Greece the father of Medicine, Hypocrates, explained a way of diagnosing diabetes mellitus by examining the patient's urine. Explain that what is the physiological description for this archaic technique?
State the major cells of nervous system?
Describe the term melanocytes?
Define the term antigen? Answer: Antigen is any particle, substance or infectious agent identified as foreign to the body. The contact of antigen with the body encou
Successful managers understand the importance of perception as an influencing factor on behavior and they act accordingly. They are aware of perceptual distortions and also know that perceptual differences are likely to exist in any situations. As a result, they true to make decisions and take ac
Concerning the mixture of arterial with venous blood state the difference between the adult circulation and the human fatal circulation?
18,76,764
1935025 Asked
3,689
Active Tutors
1452333
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!