How can endoskeleton of echinoderms be characterized
How can endoskeleton of echinoderms be characterized in the comparison of analogous structures existed in arthropods, vertebrates, and molluscs?
Expert
The echinoderm skeleton is interior that is it is an endoskeleton. It is made up of calcium carbonate (or calcareous).Vertebrates as well contain internal skeleton made up of bones and cartilages. Arthropods contain an external carapace made up of chitin, a chitinous exoskeleton. Various molluscs present a calcareous shell which works as exoskeleton.
Name the cellular structure to which mRNA molecules join to begin the protein synthesis?
Explain the notochord? Also explain the formation of this structure?
There are four theories, which explain why the groups are formed. These include: 1) Propinquity theory: quite often, individuals affiliate with one another because of spatial or geo-graphical proximity. In an organization, employees who work in the
Elaborate name given to conditions in which the own immune system of the Individual is the agent of diseases? Give some illustrations of these conditions?
Define the term radula? What is the main function of this organ?
Define the term mycorrhizas? How does each and every participant benefit in this ecological interaction?
Where does hematopoiesis take place?
Write down some factors which can lead to the protein denaturation?
This will be one of the major challenges, on the one hand, there is the challenge to meet the expectation of the highly educated with shrinking opportunities for promotion because of the downsizing and flattening so organizations, and on the other hand, there is the challenge of bringing employee
Specify the number of cellular nuclei does the pollen tube of the angiosperms have? Specify the ploidy of each of these nuclei?
18,76,764
1942760 Asked
3,689
Active Tutors
1446965
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!