Review for the Cell Test #2: Circle the letter of the best answer.
1. The process by which cells become specialized 6. Which statement is true about all
to perform a particular function in the body is
cells?
known as
a. All cells have nuclei.
a. Differentiation.
b. All cells function similarly.
b. Stem cell development.
c. All cells have cell walls.
c. Growth.
d. All cells are the same size.
d. Metabolism.
7. What organelle is present in the cells
2. Why are chloroplasts not needed in animal
of a tree but not a rat?
cells?
a. Chloroplast
a. Animal cells story DNA in the nucleus and
b. Mitochondrion
plant cells store DNA in the chloroplast.
c. Nucleus
b. Animals get their energy from eating other
d. Ribosome
organisms and plants store energy in their
chloroplasts.
8. The structures that have specific jobs
c. Animal cells have ribosomes for protein
inside the cell are called
synthesis and plant cells use chloroplasts
a. Organs.
for protein synthesis.
b. Organelles.
d. Animals have bones for support and don’t
c. Organisms.
need chloroplasts for support.
d. Cells.
3. Which are examples of cells that are
specialized or differentiated?
a. Chloroplasts and mitochondria
b. Heart cells and lung cells
c. Plant cells and bacterial cells
d. Eukaryotic cells and prokaryotic cells
4. After differentiation, most cells lose their
ability to become other types of cells except
a. Brain cells.
b. Skin cells.
c. Plant cells.
d. Stomach cells.
5. Cell differentiation occurs in what types of
organisms?
a. Unicellular
b. Prokaryotes
c. Bacteria
d. Multicellular
9. The non-living structure made up of
cellulose that provides support for
plant cells is the
a. Nucleus.
b. Cell wall.
c. Cell membrane.
d. Cytoplasm.
10.Which statement is true about the cell
theory?
a. Only plants are composed of cells.
b. Cells can be produced from nonliving matter.
c. Only animals are composed of cells.
d. All living things are made of cells.