BIOS 100 MIDTERM EXAM
1. For good health, it is important to include in our diets.:
Polysaccharides
2. Which of the following is an example of a polysaccharide?: Starch
3. Animals store carbohydrates as .: Glycogen
4. Cellulose is an example of .: Fiber
5. Sometimes when I have my morning coffee, which I drink black with no sugar, I notice a
thin film floating on top of the coffee. Since I have just readChapter 3 of the text, I now realize
the nature of this substance and so I
run to my friend screaming, "Look at this in my coffee!": Hydrophobic
Substance
6. Which theory states that all living things are composed of cells?: CellTheory
7. Which of the following is a feature of prokaryotic cells but not eukaryoticcells?: Pili
8. When using a light microscope to view a cell you obtained from scraping under your
fingernails, you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be
a type of cell.: Prokaryotic
9. One difference between eukaryotic and prokaryotic cells is that eukary- otic cells
prokaryotic cells.: Have membrane-enclosed structures calledorganelles, which are
lacking in.
10. In eukaryotic cells, what name is given to the region between the nucleusand the plasma
membrane?: Cytoplasm
11. Which of the following is a function of the plasma membrane?: Regulatethe traffic of
chemicals into and out of the cell.
12. are the major lipids of plasma membranes.: Phospholipids
13. When mixed with water, phospholipids spontaneously form membranesbecause they .:
Have hydrophilic phosphate groups that are attracted towater and hydrophobic fatty acid tails
that avoid water.
14. The concept of a membrane as a fluid mosaic reflects the ability of .-
: Phospholipids and most proteins to drift about in the plane of the membrane.
15. The extracellular matrix of animal cells .: Protect and support
cells.
16. The structural combination of DNA and protein forms .:
Ribosomes
17. Most human cells contain chromosomes.: 46
1. For good health, it is important to include in our diets.:
Polysaccharides
2. Which of the following is an example of a polysaccharide?: Starch
3. Animals store carbohydrates as .: Glycogen
4. Cellulose is an example of .: Fiber
5. Sometimes when I have my morning coffee, which I drink black with no sugar, I notice a
thin film floating on top of the coffee. Since I have just readChapter 3 of the text, I now realize
the nature of this substance and so I
run to my friend screaming, "Look at this in my coffee!": Hydrophobic
Substance
6. Which theory states that all living things are composed of cells?: CellTheory
7. Which of the following is a feature of prokaryotic cells but not eukaryoticcells?: Pili
8. When using a light microscope to view a cell you obtained from scraping under your
fingernails, you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be
a type of cell.: Prokaryotic
9. One difference between eukaryotic and prokaryotic cells is that eukary- otic cells
prokaryotic cells.: Have membrane-enclosed structures calledorganelles, which are
lacking in.
10. In eukaryotic cells, what name is given to the region between the nucleusand the plasma
membrane?: Cytoplasm
11. Which of the following is a function of the plasma membrane?: Regulatethe traffic of
chemicals into and out of the cell.
12. are the major lipids of plasma membranes.: Phospholipids
13. When mixed with water, phospholipids spontaneously form membranesbecause they .:
Have hydrophilic phosphate groups that are attracted towater and hydrophobic fatty acid tails
that avoid water.
14. The concept of a membrane as a fluid mosaic reflects the ability of .-
: Phospholipids and most proteins to drift about in the plane of the membrane.
15. The extracellular matrix of animal cells .: Protect and support
cells.
16. The structural combination of DNA and protein forms .:
Ribosomes
17. Most human cells contain chromosomes.: 46
