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Cleavage - Development Biology
Cleavage or segmentation is a series of cell divisions of the fertilized .egg through which it is converted into a multicellular structure, called blastula. The main characteristics of cleavage include:
The cell divisions in the somatic cells are mitotic. The daughter cells or blastomeres or cleavage cells are also derived as a result of mitotic divisions of the zygote. We may ask whether there are any differences between mitotic divisions of somatic cells and, of the zygote and the blastomeres derived from it during cleavage.
a) List the a variety of modes of heterotrophic nutrition in plants. b) Define any two modes giving one example of each.
Fertilization is the fusion of the two gametes (sperm and ovum) to produce a zygote which develops into the new individual with a genetic heritage derived from both the parents. S
Nerve Cell - The Basic Unit The basic unit of the nervous system is the nerve cell or neuron. A neuron is to the nervous system what a brick is to the building. It has a cell
How sugar is used in Meringues? Egg whites beaten for a meringue hold air bubbles as the mechanical action of the beaters partly coagulates the egg protein. Sugars make the pro
Q. What does the formula DPD = SF - TP signify? DPD is the short form of diffusion pressure deficit, SF (suction force) is the vacuolar osmotic pressure and TP is the turgor pr
You are studying how proteins are targeted to the mitochondria. MIP1 is in the mitochondrial inner membrane, whereas MIP2 is targeted to the matrix. You are most interested in how
What type of athlete would have a above average reaction time please explain.
Determine about the nervous tissues The nervous tissues throughout the body, including the visual nervous system, are continuously active. Electrical reactions can only be indu
Amino Acids and Peptide Bonds, Protein Structure - The graduate can construct models of the structure and function of amino acids and peptide bonds, predict ionization of an amin
Why are calcium carbonate and carbon dioxide and carbon monoxide considered inorganic compounds? "The name "organic" is a historical name, dating back to 19th century, when it
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