Chapter 4 Review Questions - Bio 2e

Prokaryotes depend on ___________ to obtain some material and to get rid of wastes A. ribosomes B. flagella C. cell division D. diffusion

D. diffusion

Which of the following do not play a role in intracellular movement? A. microfilaments and intermediate filaments B. microfilaments and microtubules C. intermediate and microtubules D. only intermediate filaments

D. only the intermediate filaments

Which of the following is found in both is eukaryotic and prokaryotic cells? A. nucleus B. mitochondrion C. vacuole D. ribosomes

D. ribosomes

Which of the following is surrounded by two phospholipid bilayers? A. the ribosomes B. the vesicles C. the cytoplasm D. the nucleoplasm

D. the nucleoplasm

Bacteria that lack fibrae are less likely to ________ A. adhere to cell surfaces B. swim through bodily fluids C. synthesize proteins D. retain the ability to divide

A. adhere to cell surfaces

Which of the following is not a component of the endomembrane system? A. mitochondrion B. golgi apparatus C. endoplasmic reticulum D. lysosome

A. mitochondrion

In plant cells, the function of the lysosomes is carried out by __________ A. vacuoles B. peroxisomes C. ribosomes D. nuclei

A. vacuoles

The _________ is the basic unit to life A. organism B. cell C. tissue D. organ

B. cell

Which of the following have the ability to disassemble and reform quickly? A. microfilaments and intermediate filaments B. microfilaments and microtubules C. intermediate and microtubules D. only intermediate filaments

B. microfilaments and microtubules

The process by which a cell engulfs a foreign particle is known as: A. endosymbiosis B. phagocytosis C. hydrolysis D. membrane synthesis

B. phagocytosis

Peroxisomes got their name because hydrogen peroxide is: A. used in their detoxification B. produced during their oxidation reactions C. incorporated into their membranes D. a cofactor for the organelles' enzymes

B. produced during their oxidation reactions

Which of the following is most likely to have the greatest concentration of smooth endoplasmic reticulum A. a cell that secrets enzymes B. a cell that destroys pathogens C. a cell that makes steroid hormones D. a cell that engages in photosynthesis

C. a cell that makes steroid hormones

The key components of desmosomes are cadherins and ________. A. actin B. microfilaments C. intermediate filaments D. microtubules

C. intermediate filaments

Which of the following are found only in plant cells? A. gap junctions B. desmosomes C. plasmodesmata D. tight junctions

C. plasmodesmata

When viewing a specimen through a light microscope, scientists use ___________ to distinguish the individual components of cells. A. a beam of electrons B. radioactive isotopes C. special stains D. high temperatures

C. special stains

Which of the following sequences correctly lists in order the steps involved in the incorporation of a proteinaceous molecule within a cell? A. synthesis of the protein on the ribosome; modification in the Golgi apparatus; packaging in the endoplasmic reticulum; tagging in the vesicle B. synthesis of the protein on the lysosome; tagging in the Golgi; packaging in the vesicle; distribution in the endoplasmic reticulum C. synthesis of the protein on the ribosome; modification in the endoplasmic reticulum; tagging in the Golgi; distribution via the vesicle D. synthesis of the protein on the lysosome; packaging in the vesicle; distribution via the Golgi; tagging in the endoplasmic reticulum

C. synthesis of the protein on the ribosome; modification in the endoplasmic reticulum; tagging in the Golgi; distribution via the vesicle