Phylum of animal kingdom
Name the other phylum of animal kingdom present species with exoskeleton?
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Arthropods present exoskeleton made up of chitin. Echinoderms do not contain exoskeleton but they present a calcareous endoskeleton. Various chordates also contain an external carapace.
What are some illustrations of structural function of the organic molecules?
What do you mean by the term primary or central lymphoid organs? Briefly illustrate it.
In sickle cell anemia, a genetic disease, there is replacement of one amino acid by other in one of the four polypeptide chains of hemoglobin. In this situation are all structural levels of the protein altered?
Where in the mitochondria does the procedure called respiratory chain take place? Which are products of Krebs cycle employed in that final phase of aerobic respiration?
In which period of meiosis, the pairing of homologous chromosomes take place?
Homologues identification: This is the first step in homology the homologues will be unknown. We have many protein databases such as PROSITE, where we modeling. We have to get the homologues to the sequence we have. There will be several number of hom
Give a brief explanation of primary consumers. Can food chain offering quaternary consumers without comprising secondary or tertiary consumers? Can a tertiary consumer of one chain be a primary or secondary consumer of another chain?
Explain the formation of mesoderm (third germ layer) of triploblastic in animals?
In the arthropods why is not gas exchange completed by cutaneous diffusion?
What are the main kinds of endocytosis?
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