Explain the notochord
Explain the notochord? Also explain the formation of this structure?
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The notochord is as a rod structure which forms the supporting axis of embryo and gives birth to vertebral column in vertebrates. It is produced by separation of mesodermal cells.
How respiratory system in the aquatic molluscs typify?
Write down the respective functions of proteins, phospholipids and carbohydrates of cell membrane.
Write the three major limiting factors of photosynthesis?
Illustrate the two main groups into which fishes are classified?
What do you mean by the neurotransmitter of neuromuscular junction? Explain, how the nervous system triggers the muscle contraction?
How can denaturation be categorized concerning its reversibility?
Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?
Name the external rigid carapace of arthropods? From which substance is it made? Which kind of organic molecule is that substance?
Describe the way of life of sponges?
Why is it significant for chromosomes to be condensed throughout mitosis and de-condensed all through interphase?
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