The movement of food from the stomach into the esophagus is usually prevent by the sphincter
ATP or adenosine tri phosphate is the cell's main source of energy. It is hydrolyzed by the cell and the energy released is used in cellular activities like muscle movement
First, ISA means Industry Standard Architecture. it is a standard bus architecture that is associated with the IBM AT motherboard. The Industry Standard Architecture has three key functions. first is it is informative, the second is it is directional and the last one is it is locational.
Through a series of experiments the duo conducted in 1952, Alfred Hershey and Martha Chase discovered that genetic material is found in DNA. Prior to their discovery, most scientists believed that genetic material was found in proteins due to their diversity and prevalence in cells.
P: WWDD x wwdd
Formed gametes are WD and wd
F1 generation: WwDd all phenotypes are white and disc-shaped (dominant traits are expresed)
F2 generation: 9 : 3 : 3 : 1 are ratios of phenotypes (white and disc-shaped : white sphere-shaped : yellow disc-shaped : yellow sphere shaped). <span> <span><span> <span>
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