Practice Exam Questions And 100% Correct Answers

What happens to sister chromatids in meiosis II? {Ans: They separate.}The diffusion of water across a semi-permeable membrane is called? {Ans: osmosis}When the concentration of solute molecules outside the cell is equal to that inside the cell is called a(n) ___________ environment. {Ans: isotonic}When yeast ferments the sugar in bread dough, what is produced that causes the bread dough to rise? {Ans: Carbon Dioxide}Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode? {Ans: DNA is negatively charged so attracted to the positive end of the unit}This diagram represents which process? {Ans: meiosis}What does PCR stand for? {Ans: Polymerase chain reaction}Which of these carbohydrates is a reducing sugar? {Ans: glucose}Which of the following phases of mitosis is represented by the diagram? {Ans: metaphase}Which blood type would not be possible for children of a type AB mother and a type A father? {Ans: O}The thickness of the leg of an ant is 0.035 centimeters. How many millimeters is this? {Ans: 0.35 mm}Enzymes speed up chemical reactions by _________________________. {Ans: decreasing the activation energy}Which of the following molecule(s) can be detected by ELISA? {Ans: