Biology Finals Review
A plant cell is placed in a hypotonic solution. What will happen to the plant cell? a. it will swell b. it will shrink c. it will stay the same d. it will wilt
A
What is the main purpose of the cycle showing in Figure 8-3? (Calvin Cycle) a. sugar production b. destruction of CO₂ c. production of ADP d. production of NADP⁻
A
What would happen to the structure in Figure 7-4 if part D is completely removed? a. it would become more rigid b. it would disintegrate c. it would have holes in it d. it would collapse in on itself
A
What is major difference between facilitate diffusion and active transport? a. active transport moves substances against the concentration gradient b. active transport uses proteins in the process c. facilitated diffusion moves molecules through the plasma membrane d. facilitated diffusion requires large amounts of energy
A.
What types of materials are expelled from cells during exocytosis? a. large molecules such as hormones b. positive and negative ions c. small molecules such as carbon dioxide d. water and glycerol
A.
Where does the oxygen used in cellular respiration end up? a. water b. ATP c. NADH d. glucose
A.
Which substance on the plasma membrane helps identify chemical signals from outside the cell? a. carbohydrate chain b. cholesterol c. membrane protein d. transport protein
A.
What statement is true about bacterial cells? a. the cells are very large b. the cells have no nucleus c. they are eukaryotes d. they have organelles
B
Chloroplasts are organelles that convert light energy to sugars. These organelles are found only in plants. Which organelles are found only in animals? a. golgi apparatus b. lysosomes c. mitochondria d. ribosomes
B.
Cholesterol is repelled by water and can be found between the layers of the phospholipids in the plasma membrane. What can be concluded from this information? a. a high cholesterol diet should be avoided b. cholesterol is non-polar c. cholesterol is polar d. cholesterol is repelled by the polar tails
B.
Cilia and flagella are used to move cells through watery environments. What role do these cell parts play on stationary cells? a. they hold neighboring cells in a fixed position b. they move substances along the surface of the cell c. they protect the cell by whipping at harmful cells d. they transmit waste materials away from the cell
B.
What results from the removal of a phosphate group of ATP? a. the production of mechanical energy b. the release of energy c. the creation of energy d. the absorption of energy by chlorophyll
B.
Which organelle convert sugars into energy? a. lysosome b. mitochondrion c. nucleus d. ribosome
B.
Which of the following is an example of passive transport? a. endocytosis b. exocytosis c. facilitated diffusion d. Na⁺/K⁺ ATPase pump
C
A scientist at the polar ice cap was studying an ice sample from hundred of metes below the surface. While examining the ice, the scientist found some cells from many years ago. Using an electron microscope, the scientist identified these cell structures: a cytoskeleton, mitochondrion, nucleus, cell wall, and ribosome. What kind of organism did the scientist find? a. animal b. bacteria c. plant d. he did not have enough information
C.
What statement is a fundamental principle of the cell theory? a. all cells have a plasma membrane. b. eukaryotic cells have larger than prokaryotic cells. c. living organisms are composed of cells. d. the genetic material in cells is DNA.
C.
Where are you least likely to find water in the structure shown in Figure 7-4? a. A b. B c. C d. E
D
At what point in the process of diffusion is dynamic equilibrium reached? a. when the movement of the molecules stops being random b. when the molecules are mixed and stop moving c. when the rate of change in the solution slows by one half d. when there is continuos movement but no change
D.
Which is present only in eukaryotic cells? a. cell membrane b. chromosomes c. DNA d. nucleus
D.
Which types of organisms does the process shown in Figure 8-4 take place? (glycolysis) a. plants only b. animals only c. neither plants nor animals d. both plants and animals
D.
