Osmosis involves which of the following processes 1) movement of water up a concentration gradient 2)movement of water across a cell membrane 3)movement of solute up a concentration gradient 4)movement of solute across a cell membrane

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy? 

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?