OpenStax Biology: Chapter 04 Quiz

Which of the following do not play a role in intracellular movement?

• microfilaments and intermediate filaments
• microfilaments and microtubules
• intermediate filaments and microtubules
• only intermediate filaments

Which of the following is found both in eukaryotic and prokaryotic cells?

• nucleus
• mitochondrion
• vacuole
• ribosomes

The ________ is the basic unit of life.

• organism
• cell
• tissue
• organ

Which of the following have the ability to disassemble and reform quickly?

• microfilaments and intermediate filaments
• microfilaments and microtubules
• intermediate filaments and microtubules
• only intermediate filaments

In plant cells, the function of the lysosomes is carried out by __________.

• vacuoles
• peroxisomes
• ribosomes
• nuclei

Which of the following sequences correctly lists in order the steps involved in the incorporation of a proteinaceous molecule within a cell?

• synthesis of the protein on the ribosome; modification in the Golgi apparatus; packaging in the endoplasmic reticulum; tagging in the vesicle
• synthesis of the protein on the lysosome; tagging in the Golgi; packaging in the vesicle; distribution in the endoplasmic reticulum
• synthesis of the protein on the ribosome; modification in the endoplasmic reticulum; tagging in the Golgi; distribution via the vesicle
• synthesis of the protein on the lysosome; packaging in the vesicle; distribution via the Golgi; tagging in the endoplasmic reticulum

Which of the following is not a component of the endomembrane system (which one doesn't work directly with the others)?

• mitochondrion
• Golgi apparatus
• endoplasmic reticulum
• lysosome

When viewing a specimen through a light microscope, scientists use ________ to distinguish the individual components of cells.

• a beam of electrons
• radioactive isotopes
• special stains
• high temperatures

Prokaryotes depend on ________ to obtain some materials and to get rid of wastes.

• ribosomes
• flagella
• cell divison
• diffusion

Which of the following is most likely to have the greatest concentration of smooth endoplasmic reticulum?

• a cell that secretes enzymes
• a cell that destroys pathogens
• a cell that makes steroid hormones
• a cell that engages in photosynthesis