CAMPBELL-BIOLOGY CHAPTER 6
EXAM Q’S AND A’S
Movement of vesicles within the cell depends on what cellular structures?
A) microtubules and motor proteins
B) actin filaments and microtubules
C) actin filaments and ribosomes
D) centrioles and motor proteins
E) actin filaments and motor proteins - answer- A) microtubules and motor proteins
If an individual has abnormal microtubules, due to a hereditary condition, in which
organs or tissues would you expect dysfunction?
A) limbs, hearts, areas with a good deal of contraction
B) microvilli, alveoli, and glomeruli: cellular projections that increase surface area
C) all ducts, such as those from salivary or sebaceous glands, that transport fluids
D) sperm, larynx, and trachea: cells and tissues that contain flagella or cilia
E) phagocytic cells and white blood cells that exhibit amoeboid movement - answer-
D) sperm, larynx, and trachea: cells and tissues that contain flagella or cilia
A primary objective of cell fractionation is to
A) view the structure of cell membranes.
B) sort cells based on their size and weight.
C) determine the size of various organelles.
D) separate the major organelles so that their particular functions can be determined.
E) separate lipid-soluble from water-soluble molecules. - answer- D) separate the
major organelles so that their particular functions can be determined.
What do the cell walls of plants and the extracellular matrix of animal cells have in
common?
A) They are largely composed of phospholipids and glycoproteins.
B) Their proteins are made by free cytoplasmic ribosomes.
C) They form rigid structures that provide structural support for cells but limit their
expansion.
D) They limit the passage of small molecules.
E) They have functional connections with the cytoskeleton inside the cell - answer-
E) They have functional connections with the cytoskeleton inside the cell
Which structure-function pair is mismatched?
A) nucleolus; production of ribosomal subunits
B) lysosome; intracellular digestion
C) ribosome; protein synthesis
D) Golgi; protein trafficking
E) microtubule; muscle contraction - answer- E) microtubule; muscle contraction
A mutation that disrupts the ability of an animal cell to add polysaccharide
modifications to proteins would most likely cause defects in its
A) nuclear lamina and nuclear matrix.
, B) nuclear matrix and extracellular matrix.
C) mitochondria and Golgi apparatus.
D) Golgi apparatus and extracellular matrix.
E) nuclear pores and secretory vesicles. - answer- D) Golgi apparatus and
extracellular matrix.
A cell with a predominance of free ribosomes is most likely
A) producing primarily proteins for secretion.
B) producing primarily cytoplasmic proteins.
C) constructing an extensive cell wall or extracellular matrix.
D) digesting large food particles.
E) enlarging its vacuole. - answer- B) producing primarily cytoplasmic proteins.
How does the cell multiply its peroxisomes?
A) They bud off from the Golgi.
B) They are brought into the cell from the environment.
C) They are built de novo from cytosol materials.
D) They split in two after they become sufficiently large.
E) The cell synthesizes hydrogen peroxide and encloses it in a membrane. - answer-
D) They split in two after they become sufficiently large.
Which of the following contains hydrolytic enzymes?
A) lysosome
B) vacuole
C) mitochondrion
D) Golgi apparatus
E) peroxisome - answer- A) lysosome
Which structure is not part of the endomembrane system?
A) nuclear envelope
B) chloroplast
C) Golgi apparatus
D) plasma membrane
E) ER - answer- B) chloroplast
The Golgi apparatus has a polarity or sidedness to its structure and function. Which
of the following statements correctly describes this polarity?
A) Transport vesicles fuse with one side of the Golgi and leave from the opposite
side.
B) Proteins in the membrane of the Golgi may be sorted and modified as they move
from one side of the Golgi to the other.
C) Lipids in the membrane of the Golgi may be sorted and modified as they move
from one side of the Golgi to the other.
D) Soluble proteins in the cisternae (interior) of the Golgi may be sorted and modified
as they move from one side of the Golgi to the other.
E) All of the above correctly describe polar characteristics of the Golgi function. -
answer- E) All of the above correctly describe polar characteristics of the Golgi
function.
EXAM Q’S AND A’S
Movement of vesicles within the cell depends on what cellular structures?
A) microtubules and motor proteins
B) actin filaments and microtubules
C) actin filaments and ribosomes
D) centrioles and motor proteins
E) actin filaments and motor proteins - answer- A) microtubules and motor proteins
If an individual has abnormal microtubules, due to a hereditary condition, in which
organs or tissues would you expect dysfunction?
A) limbs, hearts, areas with a good deal of contraction
B) microvilli, alveoli, and glomeruli: cellular projections that increase surface area
C) all ducts, such as those from salivary or sebaceous glands, that transport fluids
D) sperm, larynx, and trachea: cells and tissues that contain flagella or cilia
E) phagocytic cells and white blood cells that exhibit amoeboid movement - answer-
D) sperm, larynx, and trachea: cells and tissues that contain flagella or cilia
A primary objective of cell fractionation is to
A) view the structure of cell membranes.
B) sort cells based on their size and weight.
C) determine the size of various organelles.
D) separate the major organelles so that their particular functions can be determined.
E) separate lipid-soluble from water-soluble molecules. - answer- D) separate the
major organelles so that their particular functions can be determined.
What do the cell walls of plants and the extracellular matrix of animal cells have in
common?
A) They are largely composed of phospholipids and glycoproteins.
B) Their proteins are made by free cytoplasmic ribosomes.
C) They form rigid structures that provide structural support for cells but limit their
expansion.
D) They limit the passage of small molecules.
E) They have functional connections with the cytoskeleton inside the cell - answer-
E) They have functional connections with the cytoskeleton inside the cell
Which structure-function pair is mismatched?
A) nucleolus; production of ribosomal subunits
B) lysosome; intracellular digestion
C) ribosome; protein synthesis
D) Golgi; protein trafficking
E) microtubule; muscle contraction - answer- E) microtubule; muscle contraction
A mutation that disrupts the ability of an animal cell to add polysaccharide
modifications to proteins would most likely cause defects in its
A) nuclear lamina and nuclear matrix.
, B) nuclear matrix and extracellular matrix.
C) mitochondria and Golgi apparatus.
D) Golgi apparatus and extracellular matrix.
E) nuclear pores and secretory vesicles. - answer- D) Golgi apparatus and
extracellular matrix.
A cell with a predominance of free ribosomes is most likely
A) producing primarily proteins for secretion.
B) producing primarily cytoplasmic proteins.
C) constructing an extensive cell wall or extracellular matrix.
D) digesting large food particles.
E) enlarging its vacuole. - answer- B) producing primarily cytoplasmic proteins.
How does the cell multiply its peroxisomes?
A) They bud off from the Golgi.
B) They are brought into the cell from the environment.
C) They are built de novo from cytosol materials.
D) They split in two after they become sufficiently large.
E) The cell synthesizes hydrogen peroxide and encloses it in a membrane. - answer-
D) They split in two after they become sufficiently large.
Which of the following contains hydrolytic enzymes?
A) lysosome
B) vacuole
C) mitochondrion
D) Golgi apparatus
E) peroxisome - answer- A) lysosome
Which structure is not part of the endomembrane system?
A) nuclear envelope
B) chloroplast
C) Golgi apparatus
D) plasma membrane
E) ER - answer- B) chloroplast
The Golgi apparatus has a polarity or sidedness to its structure and function. Which
of the following statements correctly describes this polarity?
A) Transport vesicles fuse with one side of the Golgi and leave from the opposite
side.
B) Proteins in the membrane of the Golgi may be sorted and modified as they move
from one side of the Golgi to the other.
C) Lipids in the membrane of the Golgi may be sorted and modified as they move
from one side of the Golgi to the other.
D) Soluble proteins in the cisternae (interior) of the Golgi may be sorted and modified
as they move from one side of the Golgi to the other.
E) All of the above correctly describe polar characteristics of the Golgi function. -
answer- E) All of the above correctly describe polar characteristics of the Golgi
function.
