Transcript The work of Schleiden and Schwann can be summarized by saying

The work of Schleiden and
Schwann can be summarized by
saying that
a. all plants are made of cells.
b. all animals are made of cells.
c. plants and animals have specialized
cells.
d. all plants and animals are made of
cells.
Which of the following is NOT a
principle of the cell theory?
a.
b.
c.
d.
Cells are the basic units of life.
All living things are made of cells.
Very few cells reproduce.
All cells are produced by existing cells.
You won’t find a cell wall in which of
these kinds of organisms?
a.
b.
c.
d.
plants
animals
fungi
none of the above
Which cell structure contains the cell’s
genetic material and controls the cell’s
activities?
a.
b.
c.
d.
organelle
nucleus
cell envelope
cytoplasm
Which of the following contains a
nucleus?
a.
b.
c.
d.
prokaryotes
bacteria
eukaryotes
organelles
All viruses are made of proteins
and
a.
b.
c.
d.
nucleic acids.
prophages.
bacteriophages.
endospores.
Which organelles help provide cells
with energy?
a.
b.
c.
d.
mitochondria and chloroplasts
rough endoplasmic reticulum
smooth endoplasmic reticulum
Golgi apparatus and ribosomes
Which structure contains the other?
a.
b.
c.
d.
nucleus; cytoplasm
nucleus; genetic material
cell membrane; cell wall
prokaryote; organelles
Which organelle would you expect
to find in plant cells but not animal
cells?
a.
b.
c.
d.
mitochondrion
ribosome
chloroplast
smooth endoplasmic reticulum
The instructions for making new
copies of a virus are
a. a part of a virus’s capsid.
b. coded in surface proteins attached to
the protein coat.
c. coded in either RNA or DNA.
d. found only in bacteriophages.
Which of the following organisms are
prokaryotes?
a.
b.
c.
d.
plants
animals
bacteria
all of the above
Which of the following is a function
of the cytoskeleton?
a.
b.
c.
d.
helps a cell keep its shape
contains DNA
surrounds the cell
helps make proteins
Prokaryotes lack
a.
b.
c.
d.
cytoplasm.
a cell membrane.
a nucleus.
genetic material.
What is the basic structure of a
virus?
a. DNA or RNA surrounded by a protein
coat
b. a capsid surrounded by a protein coat
c. a tail sheath surrounded by tail fibers
d. a tiny cell surrounded by a cell wall
The main function of
the cell wall is to
a.
b.
c.
d.
support and protect the cell.
store DNA.
direct the activities of the cell.
help the cell move.
Which organelle breaks down food
into particles the cell can use?
a.
b.
c.
d.
Golgi apparatus
lysosome
endoplasmic reticulum
mitochondrion
The cell theory applies to
a.
b.
c.
d.
bacteria.
plants and animals.
multicellular organisms.
all of the above
Eukaryotes usually contain
a.
b.
c.
d.
a nucleus.
specialized organelles.
genetic material.
all of the above
Why are viruses NOT considered to
be living?
a. They cannot reproduce on their own.
b. They do not contain DNA or RNA.
c. They are too small.
d. They are really tiny robots sent from
outer space.