Biology 1100 Test 2 Questions with Correct
Answers
Scientists have proposed that chloroplasts and mitochondria arose by a process called
_____, in which a smaller cell comes to live inside a larger cell.
endosymbiosis
Centrosomes, also called ____-organizing centers, are important for cell division in
animals.
microtubule
The eukaryotic cell structure involved in supporting the shape of the cell and anchoring
organelles to fixed locations is the
cytoskeleton
The fibers of the ____provide the scaffolding to hold certain enzymes in place in a cell.
cytoskeleton
The space between the two membranes of a mitochondrion is known as the______space.
intermembrane
Which fiber is involved in cellular crawling?
actin
Eukaryotic flagella are actually outward projections of the cell interior. The
micotubules in the flagella originate from___
a basal body
Which structure is involved in eukaryotic cell division?
, Centrosome
The cell wall of which type of cell is composed of chitin?
Fungal
During the contraction of muscle cells, which fiber is used ?
actin
Which structure forms a protective layer rich in glycoproteins on the surface of animal
cells?
extracellular matrix
Which type of movement is made possible by the arrangement of actin fibers?
cellular crawling
Which of the following junction types is only found in plants
plasmodesmata
The microtubules in a eukaryotic flagellum are derived from an
basal bodies
The cell walls of plants and protist are made of the polysaccharide ___while the cell wall
of fungal cells are made of the _____polysaccharide____
cellulose, chitin
Cells that are part of the same tissue type recognize each other based on
cell-surface markers
Answers
Scientists have proposed that chloroplasts and mitochondria arose by a process called
_____, in which a smaller cell comes to live inside a larger cell.
endosymbiosis
Centrosomes, also called ____-organizing centers, are important for cell division in
animals.
microtubule
The eukaryotic cell structure involved in supporting the shape of the cell and anchoring
organelles to fixed locations is the
cytoskeleton
The fibers of the ____provide the scaffolding to hold certain enzymes in place in a cell.
cytoskeleton
The space between the two membranes of a mitochondrion is known as the______space.
intermembrane
Which fiber is involved in cellular crawling?
actin
Eukaryotic flagella are actually outward projections of the cell interior. The
micotubules in the flagella originate from___
a basal body
Which structure is involved in eukaryotic cell division?
, Centrosome
The cell wall of which type of cell is composed of chitin?
Fungal
During the contraction of muscle cells, which fiber is used ?
actin
Which structure forms a protective layer rich in glycoproteins on the surface of animal
cells?
extracellular matrix
Which type of movement is made possible by the arrangement of actin fibers?
cellular crawling
Which of the following junction types is only found in plants
plasmodesmata
The microtubules in a eukaryotic flagellum are derived from an
basal bodies
The cell walls of plants and protist are made of the polysaccharide ___while the cell wall
of fungal cells are made of the _____polysaccharide____
cellulose, chitin
Cells that are part of the same tissue type recognize each other based on
cell-surface markers
