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- Multiple ChoicePlease save your changes before editing any questions.
Who was one of the first people to identify and see cork cells?
Anton van Leeuwenhoek
Robert Hooke
Matthias Schleiden
Rudolf Virchow
- Multiple ChoicePlease save your changes before editing any questions.
The work of Schleiden and Schwann can be summarized by saying that
all plants are made of cells.
all animals are made of cells.
plants and animals have specialized cells.
all plants and animals are made of cells.
- Multiple ChoicePlease save your changes before editing any questions.
The cell theory applies to
bacteria.
plants and animals
multicellular organisms.
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
Prokaryotes lack
cytoplasm.
a cell membrane
a nucleus.
genetic material.
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following contain a nucleus?
prokaryotes
bacteria
eukaryotes
organelles
- Multiple ChoicePlease save your changes before editing any questions.
Eukaryotes usually contain
a nucleus.
specialized organelles.
genetic material.
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following organisms are prokaryotes?
plants
animals
bacteria
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is a function of the nucleus?
stores DNA
controls most of the cell’s processes
contains the information needed to make proteins
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is NOT found in the nucleus?
cytoplasm
nucleolus
chromatin
DNA
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following statements explains why the nucleus is important to cells?
Only eukaryotes have nuclei.
Only prokaryotes have nuclei.
The nucleus contains coded instructions for making proteins
The nucleus is surrounded by a nuclear envelope.
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following structures is found in the cytoplasm?
nucleolus
ribosome
chromatin
cell wall
- Multiple ChoicePlease save your changes before editing any questions.
Which organelle breaks down food into molecules the cell can use?
Golgi apparatus
lysosome
endoplasmic reticulum
mitochondrion
- Multiple ChoicePlease save your changes before editing any questions.
Which structure makes proteins using coded instructions that come from the nucleus?
Golgi apparatus
mitochondrion
vacuole
ribosome
- Multiple ChoicePlease save your changes before editing any questions.
Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
chloroplast
Golgi apparatus
endoplasmic reticulum
mitochondrion
- Multiple ChoicePlease save your changes before editing any questions.
Which organelles help provide cells with energy?
mitochondria and chloroplasts
rough endoplasmic reticulum
smooth endoplasmic reticulum
Golgi apparatus and ribosomes
- Multiple ChoicePlease save your changes before editing any questions.
Which sequence correctly traces the path of a protein in the cell?
rough endoplasmic reticulum, Golgi apparatus, released from the cell
ribosome, smooth endoplasmic reticulum, chloroplast
smooth endoplasmic reticulum, lysosome, Golgi apparatus
mitochondria, rough endoplasmic reticulum, cell membrane
- Multiple ChoicePlease save your changes before editing any questions.
Which organelle would you expect to find in plant cells but not animal cells?
mitochondrion
ribosome
chloroplast
smooth endoplasmic reticulum
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is a function of the cytoskeleton?
helps a cell keep its shape
contains DNA
surrounds the cell
helps make proteins
- Multiple ChoicePlease save your changes before editing any questions.
The main function of the cell wall is to
support and protect the cell.
store DNA.
direct the activities of the cell.
help the cell move.
- Multiple ChoicePlease save your changes before editing any questions.
Unlike the cell membrane, the cell wall is
found in all organisms.
composed of a lipid bilayer.
a flexible barrier.
usually made of tough fibers.
- Multiple ChoicePlease save your changes before editing any questions.
You will NOT find a cell wall in which of these kinds of organisms?
plants
animals
fungi
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following structures serves as the cell’s boundary from its environment?
mitochondrion
cell membrane
chloroplast
channel proteins
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is a function of the cell membrane?
breaks down lipids, carbohydrates, and proteins from foods
stores water, salt, proteins, and carbohydrates
keeps the cell wall in place
regulates which materials enter and leave the cell
- Multiple ChoicePlease save your changes before editing any questions.
If a cell contains a nucleus, it must be a prokaryote
True
False
- Multiple ChoicePlease save your changes before editing any questions.
The cell represented in the figure is a eukaryote
True
False
- Multiple ChoicePlease save your changes before editing any questions.
The assembly of ribosomes begins in a small dense structure called the chromatin
True
False
- Multiple ChoicePlease save your changes before editing any questions.
Ribosomes stud the surface of the rough endoplasmic reticulum
True
False
- Multiple ChoicePlease save your changes before editing any questions.
Many membrane proteins are made by the smooth endoplasmic reticulum
True
False
- Multiple ChoicePlease save your changes before editing any questions.
The main function of the cell wall is to provide support and protection
True
False
- Multiple ChoicePlease save your changes before editing any questions.
According to cell theory, all cells come from existing _________
cells
energy
bacteria
forces
- Multiple ChoicePlease save your changes before editing any questions.
Structure D represents the
nucleolus
nucleus
nuclear membrane
mitochondrion
- Multiple ChoicePlease save your changes before editing any questions.
Structure G represents the
Smooth endoplasmic reticulum
Rough endoplasmic reticulum
Golgi
Lysosome
- Multiple ChoicePlease save your changes before editing any questions.
Structure "I" represents the cell wall
True
False
- Multiple ChoicePlease save your changes before editing any questions.
in a eukaryote, the material between the cell membrane and the nucleus is called the ____________
endoplasmic reticulum
golgi
cytoplasm
suspension
- Multiple ChoicePlease save your changes before editing any questions.
Structure "F" represents the _______________.
mitochondrion
the powerhouse of the cell
the site of aerobic cellular respiration
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
The photograph presents _______________
animal cells
plants cells
eukaryotic cells
prokaryotic cells
- Multiple ChoicePlease save your changes before editing any questions.
The diagram and photograph represent
bacteria
prokaryotic cells
viruses
eukaryotic cell
- Multiple ChoicePlease save your changes before editing any questions.
the photograph represents
onion cells
cheek cells
animal cells
eukaryotic cells