Bio 107 Practice Exam 1-Chap 4

2. The maximum size of a cell is limited by _____. a. its need for enough surface area to make exchanges with its environment b. the amount of flexibility it needs to be able to move c. the materials needed to build it d. the number of organelles that can be packed inside

a. its need for enough surface area to make exchanges with its environment

6. Bacterial cells are prokaryotic; unlike a typical eukaryotic cell, they _____. a. lack a nucleus b. have a smaller nucleus c. lack a plasma membrane d. have more internal membranous compartments

a. lack a nucleus

10. The rough endoplasmic reticulum is considered to be in which general functional category of organelle? a. breakdown b. manufacturing c. support between cells d. energy-processing

b. manufacturing

7. Which of these is a function of the endomembrane system? a. cell shape b. molecule export c. control center d. cell movement

b. molecule export

4. Phospholipid bilayer membranes are semipermeable. Which of the following can move across the membrane without assistance? a. starch b. glucose c. O2 d. H+

c. O2

8. Which cellular organelle is required for photosynthesis to occur in eukaryotic cells? a. nucleus b. Golgi apparatus c. chloroplast d. lysosome

c. chloroplast

9. The internal skeleton of a cell is composed of _____. a. microfilaments b. cellulose, microtubules, and centrioles c. microtubules, intermediate filaments, and microfilaments d. cellulose and intermediate filaments

c. microtubules, intermediate filaments, and microfilaments

5. Which of the following structures is/are found in prokaryotic cells? a. mitochondria b. nucleus c. ribosomes d. endoplasmic reticulum

c. ribosomes

1. The term resolving power refers to _____. a. the source of the illumination b. the depth of focus c. the apparent increase in the size of an object d. the clarity of the image in showing two objects as separate

d. the clarity of the image in showing two objects as separate

2. The maximum size of a cell is limited by _____. a. its need for enough surface area to make exchanges with its environment b. the amount of flexibility it needs to be able to move c. the materials needed to build it d. the number of organelles that can be packed inside

d. the number of organelles that can be packed inside