Biology Chapter 4 Test File
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Biology chapter test file questions
- 1.
- A.
Obtain and process energy
- B.
Convert genetic information into proteins
- C.
Keep certain biochemical reactions separate from one another
- D.
Both a & b
- E.
All of above
- 2.The surface area-to-volume ratio of an object can be decreased by:
- A.
Cutting it into smaller pieces
- B.
Flattening it
- C.
Stretching it
- D.
Making it sperical
- E.
All of the above
- 3.Members of the domains Bacteria and Archaea:
- A.
Have nuclei
- B.
Have chloroplasts
- C.
Are multicellular
- D.
Are prokaryotes
- E.
Have flagella
- 4.Which of the following is not a characteristic of a prokaryotic cell?
- A.
A plasma membrane
- B.
A nuclear envelope
- C.
A nucleoid
- D.
Ribosomes
- E.
Enzymes
- 5.Which of the following is (are) found in prokaryotic cells?
- A.
Mitochondria
- B.
Chloroplasts
- C.
Nuclear membrane
- D.
Ribosomes
- E.
Endoplasmic reticulum
- 6.What is the major distinction between a prokaryotic and a eukaryotic cell?
- A.
A prokaryotic cell does not have a nucleus, whereas a eukaryotic cell does
- B.
A prokaryotic cell does not have DNA, whereas a eukaryotic cell does
- C.
A prokaryotic cell is smaller than a eukaryotic cell
- D.
Prokaryotic cells have not prospered, whereas eukaryotic cells are evolutionary "successes"
- E.
A prokaryotic cell cannot obtain energy from its environment
- 7.A prokaryotic cell does not have a _____ or _____
- A.
Nucleus; organelles
- B.
Nucleus; DNA
- C.
Nucleus; ribosomes
- D.
Nucleus; membranes
- E.
Cell wall; membranes
- 8.How does the surface area-to-volume ratio of a 1-mm cube compare to the surface area-to-volume ratio of a 3-mm cube?
- A.
The 3 mm cube has a higher ratio
- B.
The ratio increases as the cube becomes larger
- C.
Increasing the volume increases the ratio
- D.
The ratio decreases as the cube becomes larger
- E.
The ratio does not change
- 9.You would not expect to find RNA in which of the following structures?
- A.
Nucleus
- B.
Mitochondrion
- C.
Vacuole
- D.
Ribosome
- E.
Prokaryotic cell
- 10.The DNA of prokaryotic cells is found in the
- A.
Plasma membrane
- B.
Nucleus
- C.
Ribosome
- D.
Nucleoid region
- E.
Mitochondria
- 11.Ribosomes are not visible under a light microscope, but they can be seen with an electron microscope because:
- A.
Electron beams have more energy than light beams
- B.
Electron microscopes focus light with magnets
- C.
Electron microscopes have more resolving power than light microscopes
- D.
Electrons have such high energy that they pass through biological samples
- E.
Living cells can be observed under the electron microscope
- 12.A general function of all cellular membranes is to
- A.
Regulate which materials can cross the membrane
- B.
Support the cell and determine its shape
- C.
Produce energy for the cell
- D.
Produce proteins for the cell
- E.
Move the cell
- 13.The cytosol:
- A.
Is a static region of the cell
- B.
Contains DNA
- C.
Is composed largely of water
- D.
Supports the cell and determines its shape
- E.
Chemically modifies proteins and other molecules
- 14.A specialized structure found in some prokaryotes is the:
- A.
Cell wall
- B.
Ribosome
- C.
Cytosol
- D.
Mitochondrion
- E.
Chloroplast
- 15.Specialized cellular appendages of prokaryotes that help bacteria adhere to one another when they exchange genetic material are called:
- A.
The golgi apparatus
- B.
Cilia
- C.
Flagella
- D.
Pili
- E.
B, c, and d
- 16.In some prokaryotic organisms the plasma membrane folds to form an internal membrane system that is able to:
- A.
Carry on photosynthesis
- B.
Engulf and phagocytize bacteria
- C.
Synthesize proteins
- D.
Propel the cell
- E.
Hydrolyze carbohydrates to ATP
- 17.17. Some bacteria are able to propel themselves through liquid by means of a structure called the
- A.
A. flagellum.
- B.
B. pilus.
- C.
C. cytoplasm.
- D.
D. cell wall.
- E.
E. peptidoglycan molecule.
- 18.18. If you removed the pili from a bacterial cell, which of the following would you expect to happen?
- A.
A. The bacterium would no longer be able to swim.
- B.
B. The bacterium would not adhere to other cells as well.
- C.
C. The bacterium would no longer be able to regulate the movement of molecules into and out of the cell.
- D.
D. The bacterium would dry out.
- E.
E. The shape of the bacterium would change.
- 19.
- A.
A. Prokaryotes have more diverse energy sources.
- B.
B. Prokaryotes have a capsule that limits cell growth.
- C.
C. The rigid cell wall found in prokaryotes limits cell size.
- D.
D. Prokaryotes lack the genetic material needed for protein synthesis.
- E.
E. Eukaryotes have compartmentalization, which allows for specialization.
- 20.20. The membrane surrounding each organelle
- A.
A. is composed of hydrophobic proteins.
- B.
B. regulates traffic into and out of the cell.
- C.
C. is studded with ribosomes.
- D.
D. allows for interactions among molecules.
- E.
E. is perforated with pores.
- 21.21. Which statement about the nuclear envelope is true?
- A.
A. It contains pores for the passage of large molecules.
- B.
B. It is composed of two membranes.
- C.
C. It contains ribosomes on the inner surface.
- D.
D. Both a and b
- E.
E. All of the above
- 22.22. The roles of biological membranes in eukaryotic cells include which of the functions listed below?
- A.
A. Separating a cell from its environment
- B.
B. Selecting what goes into and out of the cell
- C.
C. Maintaining a constant internal environment
- D.
D. Communicating with adjacent cells
- E.
E. All of the above
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