Chapter 4 Inside the Cell
Plant we
plasmodesmata
Plants need mitochondria to ________.
produce ATP
Chromosomes are ________.
condensed chromatin
Actin filaments participate in ________.
All of the choices are correct.
Chloroplasts and mitochondria are similar in that they both ________.
All of the choices are correct.
Which of the following is an incorrect match of molecule to location?
All of the choices are correct.
Plant cells have walls but do not have plasma membranes.
False
The nuclear membrane differs from the plasma membrane in that the nuclear membrane is a single layer of phospholipids.
False
Where do the vesicles originate that are involved in secretion?
Golgi apparatus
A cell responds to the binding of a molecule with a receptor protein when the protein changes shape.
True
Polysaccharides can be found in the capsule of bacteria as well as the extracellular matrix of animals.
True
The plasma membrane's hydrophilic part faces the outside of the cell and the cytoplasm.
True
Some proteins within a cell can be viewed with ________.
an electron microscope
Which of the following is not a possible function of the extracellular matrix in animals?
assist in movement of organelles
A bacteria's cytoplasm contains ________.
both DNA and enzymes
Vacuoles differ from vesicles in that vacuoles ________.
both larger and can be specialized
Because eukaryotic cells are so large, movement of organelles via the ___ are critical.
cytoskeleton
A prokaryotic cell ________.
does not have a membrane-bound nucleus
Metabolic reactions are compartmentalized in a cell by the ________.
endomembrane system
Disease-causing bacteria often attach to cells they attack. The bacterial structures used to aid that attachment are ________.
fimbriae
Without tight junctions in certain tissues ________.
fluids may leak out past the barrier the junction would create
A stack of thylakoids is called a ________.
granum
Cell walls function in ________.
maintaining cell shape
Which of the following is an incorrect match?
mitochondria - protein recycling
Without a centrosome, cells would not be able to ________.
move organelles around the cytoplasm
Fig. 4.1 is a diagram of a bacterium. What structure does Y represent? (see picture on document. I can't get the pictures to copy and paste!)
nucleoid
9. Without receptor proteins, a cell would not be able to ________.
receive signals from other parts of the body
Which of the following is the correct sequence for an altered protein that is secreted from the cell?
rough endoplasmic reticulum - Golgi apparatus - plasma membrane
. ___ are bacterial structures involved in the passage of DNA into or out of the cell.
sex pili
Cell size is limited because ___ is critical to a cell's function.
surface area to volume ratio
