An enzyme is a Catalyst in a chemical reaction. Which of the following statements is true about an enzyme function?

In this experiment, a cotton ball saturated with Hydrogen chloride was placed in the left side of the glass tube and a cotton ball saturated with Ammonia was placed in the right side of the glass tube.  When the Hydrogen chloride and Ammonia gases met in the tube, a visible white ammonium chloride cloud formed in the tube.  Which gas traveled faster?   diffusion of a gas ammonium results.PNG

Name the part of the microscope at the pointer:                                                             Microscope pointer 4.PNG

When a cell is preparing for Mitosis cell division, the DNA molecule is duplicated during what phase?

Look at the cell at the pointer. What stage of mitosis does this represent?                             Mitosis 3.PNG

Which of the following is not true about Monosaccharides?

Use the following illustration to answer the question.                                              Osmosis worksheet picture(1).PNG Water will ________________ the cell, resulting in ___________________.

Which of the following best describes the DNA molecule?

What stage of mitosis do the duplicated chromosomes line up at the equator of the cell?

Which of the following is described as a tough fibrous polysaccharide that is found in the cell wall of plants?