Biology Ch. 10 Practice Quiz Questions
Our cells use vitamin C to make collagen. People on a vitamin C restricted diet have increased risk of small blood vessels rupturing. Which of the following is the best explanation for this observation?
Collagen is required to strengthen the connective tissue surrounding blood vessels.
Scientists and doctors are interested in using human stem cells cultured in the lab to produce a variety of tissues for transplants. To do this—for stem cells to become specialized blood, skin, muscle or nerve cells—they must go through which process?
Differentiation
Animal cells attach to each other using ____________ proteins.
cell junction
The role of the ECM in sensing the environment is provided by its _______________ function
cell signaling
Plant Cell
cell wall, cellulose, cross-linked glycans, usually thick and rigid
The main component of the cell wall is ____________ .
cellulose
Support in animal cells is provided by _________ tissue.
connective
Leaves are covered by _________ tissue.
dermal
In animals, _________ tissue forms linings and surface coverings.
epithelial
Animal Cell
extracellular matrix, collagen, adhesive proteins, cell signaling role
Cell connections called ____________ help adjacent animal cells communicate.
gap junctions
Plant cell wall polysaccharides are made of repeating ____________ molecules.
glucose
The ____________ provides considerable strength for the plant cell.
secondary cell wall
Plant cells are attached to each other by the ____________ .
middle lamella
Force is generated by _________ tissue in animals.
muscle
The _________ of the ECM allows cartilage to resist compression
strength
The ECM provides ____________ for animal skeletons
structural support
Animal cells form close seals between cells using ____________ .
tight junctions
Plants use ___________ tissue to transport materials between tissues.
vascular
The role of the ECM in the cell _________ is important for the attachment of tendons to bones
organization
In plants, __________ tissue carries out a bulk of the photosynthesis.
parenchyma
Junctions called gap junctions permit communication between plant cells.
plasmodesmata
The ____________ is flexible and allows cells to increase in size.
primary cell wall
Animal cells use ____________ to attach to the extracellular matrix.
hemidesmosomes
Scleroderma is an autoimmune disease in which repeated bouts of inflammation result in fibroblasts depositing excess collagen in the skin. Which of the following would be a symptom of scleroderma?
less flexibility in the skin
In plants, ____________ is a metabolite that hardens the wall.
lignin
