16. Which of the following organelles modifies and packages for secretion the materials produced by the ribosomes?

28. Cells which require a large amount of ATP will contain a large number of mitochondria. 

32. You are examining two eukaryotic cells. One cell is spherical and has a surface area to volume ratio of 4:1. The second cell is flat and has a surface area to volume ratio of 7:1. Identify which of these cells will be most efficient in diffusing materials throughout the cell and explain your answer in terms of the SA:V ratio. 

29. Match the organelle to its function within a eukaryotic cell. 

26. Synaptic signaling is most often used by cells when a message must travel long distances within the body. 

15. All of the components are found in prokaryotic cells except

42. Which of the following is not one of the observations made by Charles Darwin as he developed his theory of natural selection and the evolution of organisms?  

4. The diagram below represents a typical rod-shaped bacterium. Which of the following best describes a feature shown in the diagram that is unique to archaea and bacteria?

25. Which of the following represents correctly paired DNA nucleotides? A) Adenine with Thymine B) Adenine with Guanine C) Cytosine with Thymine D) Cytosine with Adenine

28. Which of the following properties of water is directly related to water’s ability to form weak hydrogen bonds with other water molecules? A) Property of expansion upon freezing B) Property of cohesion C) Property of water as a universal solvent D) Property of water as a regulator of temperature