©BRIGHTSTARS EXAM SOLUTIONS
11/16/2024 10:16 AM
MTU BL1020 Exam #1 Questions With
Correct Answers
The semi-fluid matrix that surrounds organelles in a cell is called the:
A. stroma
B. cytoplasm
C. ribosome
D. nucleoplasm - answer✔Cytoplasm
A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA
with proteins into a membrane-bound structure called a:
A. nucleolus.
B. cell.
C. nucleus.
D. plasma membrane. - answer✔Nucleus
The organelle that can collect, package, modify, and transport molecules is called the:
A. mitochondria.
B. plasma membrane.
C. vesicle.
D. Golgi apparatus. - answer✔Golgi apparatus
The evolutionary process that created chloroplasts and mitochondria is:
A. punctuated equilibrium.
B. endosymbiosis.
C. evolution.
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D. symbiosis. - answer✔endosymbiosis
Microfilaments such as actin, microtubules, and the intermediate filaments form the cell-
supporting structure called the:
A. cytoplasm.
B. cytoskeleton.
C. nucleus.
D. plasma membrane. - answer✔cytoskeleton
Small cells function more effectively, because as cells become larger their surface area to
volume ratio:
A. stays the same.
B. is squared.
C. increases.
D. is cubed.
E. decreases. - answer✔decreases
Organelles that breakdown hydrogen peroxide into water and oxygen are:
A. vacuoles.
B. lysosomes.
C. liposomes.
D. peroxisomes.
E. plastids. - answer✔peroxisomes
Who first described cells?
A. Linnaeus
B. Golgi
C. Hooke
D. Leeuwenhoek
E. Darwin - answer✔Hooke
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11/16/2024 10:16 AM
Schleiden and Schwann stated the "cell theory," which in its modern form says:
A. all cells will arise spontaneously, all cells require oxygen and all cells are composed of one or
more cells.
B. all organisms are composed of one or more cells, all cells are the smallest living things and all
cells arise by division of other cells.
C. all organisms are composed of one or more cells, all cells require oxygen and all cells arise by
division of other cells.
D. all organisms are composed of one or more cells, all cells arise spontaneously and all cells
vary in size and shape. - answer✔all organisms are composed of one or more cells, all cells are
the smallest living things, and all cells arise by division of other cells
. The "X" shaped chromosomal hereditary material can be packaged in this organelle in
eukaryotic cells but not in prokaryotic cells. This organelle is the:
A. ribosomes.
B. nucleoid.
C. nucleus.
D. mitochondria.
E. chloroplast. - answer✔Nucleus
Prokaryotic cell movement is attributed to:
A. pili.
B. ribosomes.
C. cytoskeleton proteins.
D. flagella.
E. capsules. - answer✔flagella
Plant cells often have a large membrane-bound sac that is used for storing water and other
substances called a:
A. central vacuole.
B. centriole.
C. nucleus.
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11/16/2024 10:16 AM
D. Golgi body.
E. chloroplast. - answer✔central vacuole
The cytoplasmic space in eukaryotic cells is occupied by many diverse membrane-bound
structures with specific cellular functions called:
A. organelles.
B. cilia.
C. flagella.
D. receptors.
E. chromosomes. - answer✔organelles
Ribosomes are made up of:
A. only protein molecules.
B. only RNA molecules.
C. DNA and RNA.
D. protein and RNA.
E. only DNA molecules. - answer✔protein and RNA
The eukaryotic organelle that is directly involved in the transport of proteins synthesized on the
surface of the rough ER is called the:
A. mitochondrion.
B. vacuole.
C. smooth ER.
D. Golgi body.
E. nucleus. - answer✔Golgi body
In eukaryotes, mitochondria are the organelles primarily involved in:
A. phospholipid assembly.
B. export of enzymes.
C. energy release/capture.
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11/16/2024 10:16 AM
MTU BL1020 Exam #1 Questions With
Correct Answers
The semi-fluid matrix that surrounds organelles in a cell is called the:
A. stroma
B. cytoplasm
C. ribosome
D. nucleoplasm - answer✔Cytoplasm
A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA
with proteins into a membrane-bound structure called a:
A. nucleolus.
B. cell.
C. nucleus.
D. plasma membrane. - answer✔Nucleus
The organelle that can collect, package, modify, and transport molecules is called the:
A. mitochondria.
B. plasma membrane.
C. vesicle.
D. Golgi apparatus. - answer✔Golgi apparatus
The evolutionary process that created chloroplasts and mitochondria is:
A. punctuated equilibrium.
B. endosymbiosis.
C. evolution.
1|Page
, ©BRIGHTSTARS EXAM SOLUTIONS
11/16/2024 10:16 AM
D. symbiosis. - answer✔endosymbiosis
Microfilaments such as actin, microtubules, and the intermediate filaments form the cell-
supporting structure called the:
A. cytoplasm.
B. cytoskeleton.
C. nucleus.
D. plasma membrane. - answer✔cytoskeleton
Small cells function more effectively, because as cells become larger their surface area to
volume ratio:
A. stays the same.
B. is squared.
C. increases.
D. is cubed.
E. decreases. - answer✔decreases
Organelles that breakdown hydrogen peroxide into water and oxygen are:
A. vacuoles.
B. lysosomes.
C. liposomes.
D. peroxisomes.
E. plastids. - answer✔peroxisomes
Who first described cells?
A. Linnaeus
B. Golgi
C. Hooke
D. Leeuwenhoek
E. Darwin - answer✔Hooke
2|Page
, ©BRIGHTSTARS EXAM SOLUTIONS
11/16/2024 10:16 AM
Schleiden and Schwann stated the "cell theory," which in its modern form says:
A. all cells will arise spontaneously, all cells require oxygen and all cells are composed of one or
more cells.
B. all organisms are composed of one or more cells, all cells are the smallest living things and all
cells arise by division of other cells.
C. all organisms are composed of one or more cells, all cells require oxygen and all cells arise by
division of other cells.
D. all organisms are composed of one or more cells, all cells arise spontaneously and all cells
vary in size and shape. - answer✔all organisms are composed of one or more cells, all cells are
the smallest living things, and all cells arise by division of other cells
. The "X" shaped chromosomal hereditary material can be packaged in this organelle in
eukaryotic cells but not in prokaryotic cells. This organelle is the:
A. ribosomes.
B. nucleoid.
C. nucleus.
D. mitochondria.
E. chloroplast. - answer✔Nucleus
Prokaryotic cell movement is attributed to:
A. pili.
B. ribosomes.
C. cytoskeleton proteins.
D. flagella.
E. capsules. - answer✔flagella
Plant cells often have a large membrane-bound sac that is used for storing water and other
substances called a:
A. central vacuole.
B. centriole.
C. nucleus.
3|Page
, ©BRIGHTSTARS EXAM SOLUTIONS
11/16/2024 10:16 AM
D. Golgi body.
E. chloroplast. - answer✔central vacuole
The cytoplasmic space in eukaryotic cells is occupied by many diverse membrane-bound
structures with specific cellular functions called:
A. organelles.
B. cilia.
C. flagella.
D. receptors.
E. chromosomes. - answer✔organelles
Ribosomes are made up of:
A. only protein molecules.
B. only RNA molecules.
C. DNA and RNA.
D. protein and RNA.
E. only DNA molecules. - answer✔protein and RNA
The eukaryotic organelle that is directly involved in the transport of proteins synthesized on the
surface of the rough ER is called the:
A. mitochondrion.
B. vacuole.
C. smooth ER.
D. Golgi body.
E. nucleus. - answer✔Golgi body
In eukaryotes, mitochondria are the organelles primarily involved in:
A. phospholipid assembly.
B. export of enzymes.
C. energy release/capture.
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