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