1.) How would you make 100mL of a 20% EtOH solution starting with 100% EtOH and water? 2.) How would you make 100mL of 0.25M solution of NaCl? 3.) Explain how you would make 500mL of a solution containing 0.20M of NaCl (58g/m) 0.005M EDTA (342g/m) and 0.10M Tris (121g/m) starting with solids and water.

answer; ///the correct answer to the above statement is (cytoskeleton);

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

a- all cells come from pre-existing cells