Download Lesson Assessment: Cell Specialization

Name: ____________________________________
Class: _____________
Date: _____________
Lesson Assessment: Cell Specialization
1. What is the name of undifferentiated cells within multicellular organisms?
a) stem cells
b) glial cells
c) germ cells
d) sex cells
2. What layer of the embryonic disk will give rise to blood cells?
a) endoderm
b) ectoderm
c) blastocyst
d) mesoderm
3. Cell specialization leads to cells with _____.
a) quicker growth
b) fewer genes
c) specialized functions
d) reduced competition
4. A fertilized egg divides in a process called cleavage, which is characterized by _____.
a) rapid cell division without cell growth
b) cell division without nuclear division
c) rapid cell division with cell growth
d) cell division followed by a long growth phase
5. The process in which single cell becomes a multicellular organisms is known as what?
a) translation
b) specialization
c) transcription
d) differentiation
PAGE 1
Name: ____________________________________
Class: _____________
Date: _____________
Lesson Assessment: Cell Specialization
6. At which point in gene expression do enhancers operate?
a) transcription
b) replication
c) translation
d) post translation
7. Cell specialization is typically irreversible. This property of cells could be determined by which kind of
experiment?
a) observing the development of a mutant embryo
b) observing the normal course of embryonic development in more than one species
c) modifying the environment of a developing embryo
d) moving a cell from one place to another in an embryo and observing development
8. Which of the following is the correct sequence of cell differentiation?
a) Inactive DNA transcription translation specialization
b) Inactive DNA transcription enhancers specialization
c) Inactive DNA enhancers translation transcription specialization
d) Inactive DNA enhancers transcription translation specialization
9. In an early cloning experiment with frogs a nucleus was taken from one cell and implanted in an egg cell
with its own nucleus destroyed. The experiment worked only using nuclei from stomach epithelium cells.
What can be said about the stomach epithelium cells?
a) The cells were more highly specialized.
b) The cells had more DNA.
c) The cells were unspecialized.
d) Any cell specialization was reversible.
10. The digestive tract begins as part of which layer of the embryonic disk?
a) mesoderm
b) plasma membrane
c) ectoderm
d) endoderm
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ANSWER KEY
1. a
2. d
3. c
4. a
5. d
6. a
ANSWER KEY Page 1
7. d
8. d
9. d
10. d