BIOLOGY 107 EXAM 1 QUESTIONS
WITH CORRECT ANSWERS
Which of the following cellular processes require ATP?
A. Osmosis
B. Diffusion
C. Facilitated transport
D. Active Transport
E. Both C & D - Correct Answers -D
Which numbered part of the animal life cycle (above) corresponds to mitosis or division
of somatic cells?
A. 1
B. 2
C. 3
D. Both 1&3
E. Both 2&3 - Correct Answers -A
which would be the most accurate route through which a protein is secreted from a cell?
A. golgi-lysosome-vesicle-plasma membrane
B. nuclear envelope-vesicles-golgi-plasma membrane
C.lysosome-plasma membrane-nuclear envelope-smooth ER
D. rough ER-lysosome-vesicle-plasma membrane
E. rought ER-golgi-vesicle-plasma membrane - Correct Answers -E
The major drawback of asexual reproduction is
A. it requires cytokinesis
B. the lack of variation in the off spring
C. that it takes to little time
D. the variation generated
E. it promotes change - Correct Answers -B
Bulldog ants have 2 chromosomes in each of their somatic Cells (2n=2). how many
chromosomes would be found in bulldog ant sperm? - Correct Answers -C
the cell pictured above is ___ because ___ (#6)
a. eukaryotic, it has ribosomes
, b. eukaryotic; it has a plasma membrane
c. prokaryotic; it has ribosomes
d. prokaryotic; it lacks internal membranes
e. prokaryotic; it has a cell wall. - Correct Answers -D
Why must the life cycle of sexually reproducing species alternate between haploid and
diploid stages?
A) Meiosis must occur at some point during the life cyle to prevent doubling of
chromosomes in each
generation.
B) Mitosis must occur at some point during the life cycle to prevent a reduction of
chromosomes in each
generation.
C) The diploid stage allows for genetic recombination.
D) Meiosis must occur at some point in the life cycle to prevent reduction of
chromosomes in each
generation.
E) Haploid cells cannot grow independently of diploid cells. - Correct Answers -A
8) Which of the following cytoskeletal elements primarily serves a structural support role
in the cell?
A) actin filaments
B) intermediate filaments
C) microtubules
D) cilia
E) spindle fibers - Correct Answers -B
9) Which is NOT a characteristic of cell membranes?
A) The current model for cell membrane structure is referred to as the fluid-mosaic
model.
B) Cellular membranes regulate movement of molecules in and out of the cell.
C) Cellular membranes of organelles have a different molecular composition than the
plasma
membrane.
D) Cellular membranes form compartments to separate cell components in the
cytoplasm.
E) Cellular membranes are composed of a lipid bilayer with proteins embedded. -
Correct Answers –C
36) There are two primary phases in the cell cycle. The name of the cell cycle involving
nuclear division is
_______. The name of the cell cycle in which the cell grows and prepares for cellular
division is ________.
A) interphase; meiosis
B) mitosis; interphase
C) S phase; G1 phase
D) interphase; M phase
WITH CORRECT ANSWERS
Which of the following cellular processes require ATP?
A. Osmosis
B. Diffusion
C. Facilitated transport
D. Active Transport
E. Both C & D - Correct Answers -D
Which numbered part of the animal life cycle (above) corresponds to mitosis or division
of somatic cells?
A. 1
B. 2
C. 3
D. Both 1&3
E. Both 2&3 - Correct Answers -A
which would be the most accurate route through which a protein is secreted from a cell?
A. golgi-lysosome-vesicle-plasma membrane
B. nuclear envelope-vesicles-golgi-plasma membrane
C.lysosome-plasma membrane-nuclear envelope-smooth ER
D. rough ER-lysosome-vesicle-plasma membrane
E. rought ER-golgi-vesicle-plasma membrane - Correct Answers -E
The major drawback of asexual reproduction is
A. it requires cytokinesis
B. the lack of variation in the off spring
C. that it takes to little time
D. the variation generated
E. it promotes change - Correct Answers -B
Bulldog ants have 2 chromosomes in each of their somatic Cells (2n=2). how many
chromosomes would be found in bulldog ant sperm? - Correct Answers -C
the cell pictured above is ___ because ___ (#6)
a. eukaryotic, it has ribosomes
, b. eukaryotic; it has a plasma membrane
c. prokaryotic; it has ribosomes
d. prokaryotic; it lacks internal membranes
e. prokaryotic; it has a cell wall. - Correct Answers -D
Why must the life cycle of sexually reproducing species alternate between haploid and
diploid stages?
A) Meiosis must occur at some point during the life cyle to prevent doubling of
chromosomes in each
generation.
B) Mitosis must occur at some point during the life cycle to prevent a reduction of
chromosomes in each
generation.
C) The diploid stage allows for genetic recombination.
D) Meiosis must occur at some point in the life cycle to prevent reduction of
chromosomes in each
generation.
E) Haploid cells cannot grow independently of diploid cells. - Correct Answers -A
8) Which of the following cytoskeletal elements primarily serves a structural support role
in the cell?
A) actin filaments
B) intermediate filaments
C) microtubules
D) cilia
E) spindle fibers - Correct Answers -B
9) Which is NOT a characteristic of cell membranes?
A) The current model for cell membrane structure is referred to as the fluid-mosaic
model.
B) Cellular membranes regulate movement of molecules in and out of the cell.
C) Cellular membranes of organelles have a different molecular composition than the
plasma
membrane.
D) Cellular membranes form compartments to separate cell components in the
cytoplasm.
E) Cellular membranes are composed of a lipid bilayer with proteins embedded. -
Correct Answers –C
36) There are two primary phases in the cell cycle. The name of the cell cycle involving
nuclear division is
_______. The name of the cell cycle in which the cell grows and prepares for cellular
division is ________.
A) interphase; meiosis
B) mitosis; interphase
C) S phase; G1 phase
D) interphase; M phase
