WorksheetsCell-Cell Interations and Cell Signaling
Total questions: 20
Worksheet time: 21mins
_________ seals cells together
desmosomes
tight junctions
gap junctions
plasmodesmata
desmosomes contain.........
anchoring proteins
intermediate filaments
cadherins (membrane proteins)
Plasmodesmata are found in both animal and plant cells
true
false, plasmodesmata are only found in animal cells
false, plasmodesmata are only found in plant cells
Peptidoglycan's function is to _________ in __________ cells.
resist tension; plants
ground substance; animal
resist tension; bacteria
resist tension; animal
What is the name of the region indicated by the red square?
proteoglycan
integrin
Laminin
collagen
which of the following cell-cell interactions are used for signaling?
desmosomes
gap junctions
tight junctions
Cellulose is found in __________.
animals
bacteria
plants
none of the above
_______ cells can regulate H2O thanks to the __________.
plant; plasma membrane
animal; cell wall
animal; plasma membrane
plant; cell wall
the extracellular cushioning material found in animals is ____________
pectin
polysaccharides
sugars
none of the above
The primary function of integrin is to
bind to the ECM
seals cells together
provide ground substance
help resist tension
ECM has important roles in
just structure and support
homeostasis
tissue repair
regeneration and cancer
The ECM is made up of
Laminin
Integrin
Collagen
Proteoglycans
all of the above
only small macromolecules can pass through Gap Junctions
true
false
Proteoglycans contain a single ______ with "branches" of ____________.
sugar; proteins
protein; sugars
sugar; nucleotides
lipid; sugars
Cadherins have selective adhesion
true
false
can easily diffuse across the plasma membrane
lipid soluble
lipid insoluble
Generally all ______ are _________, but not all ________ are ____________.
hormones; signaling molecules; signaling molecules; hormones
hormones; hormones; signaling molecules; signaling molecules
signaling molecules; hormones; hormones; signaling molecules
signaling molecules; signaling molecules; hormones; hormones
amplification occurs
outside the cell
inside the cell (cytoplasm)
inside the nucleus
signal transduction converts an ________ signal into a _________ signal.
extracellular; intracellular
intracellular; extracellular
intracellular; intracellular
extracellular; extracellular
Lipid Soluble/Insoluble molecules are transcription activators
true
false
