ploidy s phase

It lasts for about 3 - 5 days and extends from the 1 s t - 4 t h day of the menstrual cycle. When fertilisation of ovum does not take place, the corpus luteum starts degenerating. The level of progesterone in the blood starts decreasing. The uterine tissues fail to be maintained. Then the..

A molecule of water consists of two hydrogen atoms joined to an oxygen atom by covalent bonds...

>In S - shaped or sigmoid growth the population show an initial gradual increase in population size, followed by an exponential increase and then a gradual decline to near constant level. Sigmoid growth curve is formed of five phases. a) Lag phase b) Positive accelerat..

Growth Curve - The curve can be shown appearing slowly along the line and stabilizing. During the initial stage, i.e., during the lag phase, the rate of plant growth is slow. Rate of growth then increases rapidly during the exponential phase. After some time the growth rate slow..

S is a narrow slit illuminated by a monochromatic source of light. Two fine slits A and B are placed symmetrically parallel to S. When a screen is placed at a large distance from A and B, alternate bright and dark bands parallel to the slits appear on the scr..

DNA contains the information required for the synthesis of cells specific proteins. DNA is located in the nucleoid (prokaryotes) or nucleus (eukaryotes) and protein synthesis occurs in the cytoplasm. DNA does not move to the site of protein synthesis (ribosomes) to directly guide the process. Inst..

It is the process of division of the cytoplasm to result in the formation of daughter cells. fig. 17.1 - The Cell Cycle Phase Events within cell G 1 Intensive cellular synthesis, mitochondria, chloroplasts (in plants), ER, lysosomes, golgi complex, vacuoles and ve..

Basic Terms Connected to Waves - The four important terms used in the study of waves are Wavelength, Amplitude, Frequency and Wave velocity. Wavelength ' l ' is the distance between two consecutive points on the wave which are in the same phase. (same phase means same state of v..

>, exists as dimer in the vapor phase, which dissociates into the linear monomer at 1200 ..

Compounds such as AgCl, AgBr, AgI, BaSO 4 etc., when placed in a polar solvent such as water, dissolve to a very limited extent to produce ions in the solution. These sparingly soluble ionic substances (salts) establish an equilibrium between the solid phase and the ions in the solution. ..