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Effect of Temperature
Certain plants such as the winter rye (Secale cereale) and the biennial strain of henbane (Hyoscyamus Niger) require exposure to low temperature conditions before they start flowering. A phenomenon known as 'vernalization' or 'Yaronization' was noted by the Russian Plant physiologist Gustav Gussner in 1915. Here also embryo or shoot apex seems to be the site of perception and the role of a hormone 'Vernalin" is suggested. Unfortunately like florigen, vernalin has been still elusive. Gibberellin treatment is known to substitute for cold treatment.
Define Functions of Vitamin D? Vitamin D is required to maintain normal blood levels of calcium and phosphate, which are in turn needed for the normal mineralization of bone, m
Phytoflagellates – Protozoan Phytoflagellates are autotropbs that possess chlorophyll or other related pigments, and store food as fats, oils and starches (other than glycogen
Q. First type of rheological model? This method establishes relation between the pressure gradient and the volume rate of flow. Here, the piston measurement is used to measure
In high altitudes is it necessary for the blood to have more or less hemoglobin? In high altitudes the air is rarefied and oxygen concentration is lower than in low altitudes.
You ran both a body temperature and room temperature test for each enzyme you tested. Did the two temperatures seem to have an effect on the enzyme Exercise? Why or why not?
An element playing significant role in nitrogen fixation is : 1. Molybdenum 2. Copper 3. Manganese 4. Zinc An element playing significant role in nitrogen fixation
Krebs Cycle The acetyl group of acetyl co A is now completey degraded stepwise into carbon and hydrogen atoms in the mitochondria by a cyclic sequence of eight ma
Advantages of Autonomous Transactions An autonomous transaction, once started is fully independent. It shares no locks, resources, or commit-dependency with the main transacti
Where in the cell can ribosomes be found? What is the main biological function of ribosomes? Ans) Ribosomes can be found free in the cytoplasm, adhered to the outer side of the
What is the karyotype found in Down syndrome? Down syndrome is the aneuploidy that is a numeric alteration of chromosomes within the cells compared to the normal number of chro
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