Bio 2 Warm-up Quiz #9
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- 1.Which of these supports the cell theory as it is stated today?
- A.
New cells are produced by division of existing cells.
- B.
All organisms are composed of more than one cell.
- C.
Cells must contain a nucleus.
- D.
Not all cells are alive.
- 2.Cells are able to remove large amounts of material using __.
- A.
Endocytosis
- B.
Exocytosis
- C.
Phagocytosis
- D.
Osmosis
- 3.What gives water many properties that are important to living things?
- A.
Temperature
- B.
Density
- C.
Hydrogen bonds
- D.
Specific heat
- 4.
In the lock-and-key model of enzyme function shown in Figure 2.2, what is happening in step 2?- A.
The catalyzed reaction is releasing a product.
- B.
The active sites are restructuring the enzyme.
- C.
The enzyme is creating bonds between the substrates.
- D.
The substrates are beginning to separate from each other.
- 5.
What is the function of the structure shown in the diagram?
- A.
Make cytoplasm
- B.
Regulate what goes in/out of a cell
- C.
Manufacture lipids
- D.
Produce proteins
- 6.When graphing experimental results, you should place the ______ onto the y axis.
- A.
Constant
- B.
Independent variable
- C.
Dependent variable
- D.
Bar
- 7.
The structures labeled B would be made up of ___.
- A.
Cellulose
- B.
Lipid
- C.
Protein
- D.
Fatty acids
- 8.Transport proteins play a role in both ___.
- A.
Passive and active transport.
- B.
Exocytosis and endocytosis.
- C.
Diffusion and vesicle transport.
- D.
Phagocytosis and passive transport.
- 9.Scientists found that, over a period of 200 years, a mountain pond was transformed into a meadow. During that time, several communities of organisms were replaced by different communities. Which of these best explains why new communities were able to replace older communities?
- A.
The original species became extinct.
- B.
Species in the older community died from old age.
- C.
The abiotic characteristics of the habitat changed.
- D.
Diseases that killed the older organisms disappeared.
- 10.During the last part of M phase in an animal cell, the ___ would begin developing.
- A.
Signs of decomposing
- B.
Spindle fibers
- C.
Cell plate
- D.
Cleavage furrow
- 11.The electron transport chain produces water and ATP. Where do the hydrogen atoms come from that are used to form water?
- A.
Oxygen
- B.
Carbon dioxide
- C.
NADH and FADH2
- D.
The Calvin Cycle
- 12.
In membranes, phospholipids are arranged with their polar heads to the outside and their nonpolar tails to the inside. With this arrangement, where would you MOST likely find water molecules?
- A.
A only
- B.
B only
- C.
C only
- D.
A and C only
- 13.
Which of the following correctly lists the phases of the cell cycle starting with interphase?
- A.
4,1,6,3,5,2
- B.
4,6,1,5,2,3
- C.
4,1,2,3,6,5
- D.
4,1,5,6,3,2
- 14.What provides the electron transport chain in cellular respiration with the energy it needs to function?
- A.
Krebs Cycle
- B.
Glycolysis
- C.
ATP synthesis
- D.
Chlorophyll
- 15.Which of the following types of organisms uses cellular respiration for their cellular energy needs?
- A.
Eukaryotes
- B.
Prokaryotes
- C.
Animals only
- D.
Plants only
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