Biology Chapter 4 Pearson Review

Which of the following statements correctly describes a common characteristic of cell walls and the cell extracellular matrix? a. Both are external to the plasma membrane. b. Cell walls and the extracellular matrix are possessed by both plants and animals. c. Both are composed primarily of lipids. d. Both are synthesized in the nucleolus. e. Collagen is a major component of both cell walls and the extracellular matrix.

both are external to the cell membrane

Which structure is not part of the endomembrane system? a. Chloroplast b. Nuclear envelope c. Plasma membrane d. Golgi apparatus e. All listed responses are part of the endomembrane system

chloroplast

Which of the following statements about chloroplasts and mitochondria is true? a. Chloroplasts and mitochondria are components of the endomembrane system. b. Mitochondria but not chloroplasts contain a small amount of DNA. c. Chloroplasts and mitochondria synthesize some of their own proteins. d. Chloroplasts but not mitochondria are completely independent of the cell of which they are a part. e. Chloroplasts and mitochondria have three sets of membranes.

chloroplasts and mitochondria synthesize some of their own proteins

Basal bodies are most closely associated with which of the following cell components? a. Cilia b. Nucleus c. Central vacuole d. Mitochondria e. Golgi apparatus

cilia

Which statement about the cytoskeleton is true? a. Microfilaments are more permanent structures in cells than intermediate filaments and microtubules. b. Microtubules are chains of proteins that resist stretching. c. Intermediate filaments are hollow tubes of protein that provide structural support. d. Components of the cytoskeleton often mediate the movement of organelles within the cytoplasm. e. Plant cells lack a cytoskeleton because they have a rigid cell wall.

components of the cytoskeleton often mediate the movement of organelles within the cytoplasm

Which statement about the cytoskeleton is true? a. Microfilaments are more permanent structures in cells than intermediate filaments and microtubules. b. Microtubules are chains of proteins that resist stretching. Intermediate filaments are hollow tubes of protein that provide structural support. c. Components of the cytoskeleton often mediate the movement of organelles within the cytoplasm. d. Plant cells lack a cytoskeleton because they have a rigid cell wall.

components of the cytoskeleton often mediate the movement of organelles within the cytoplasm.

Which of the following is/are possible site(s) of protein synthesis in a typical eukaryotic cell? a. Mitochondria b. Cytoplasm c. Rough endoplasmic reticulum d. Cytoplasm, rough endoplasmic reticulum, and mitochondria e. Cytoplasm and rough endoplasmic reticulum

cytoplasm, rough endoplasmic reticulum, and mitochondria

A researcher wants to film the movement of chromosomes during cell division. Which type of microscope should she choose, and why is it the best choice? a. Transmission electron microscope because of its high resolving power b. Scanning electron microscope because of its ability to visualize the surface of subcellular objects c. Transmission electron microscope because of its high magnifying power d. Light microscope because of its high resolving power e. Light microscope because the specimen is alive

light microscope because the specimen is alive

Which of the following categories best describes the function of the rough endoplasmic reticulum? a. Manufacturing b. Information storage c. Structural support of cells d. Breakdown of macromolecules e. Energy processing

manufacturing

Cilia and flagella move due to the interaction of the cytoskeleton with which of the following? a. Tubulin b. Actin c. Pseudopodia d. Mitochondria e. Motor proteins

motor proteins

Which type of cell is likely to have the most mitochondria? a. Nondividing cells in the skin on your finger b. Bacterial cells that are growing on sugars c. Inactive yeast cells that are stored for future use d. Muscle cells in the legs of a marathon runner e. Photosynthesis cells in the leaves of a tree

muscle cells in the legs of a marathon runner

Dye injected into a plant cell might be able to enter an adjacent cell through... a. a gap junction b. plasmodesmata c. a microtubule d. a tight junction e. a cell wall

plasmodesmata

Which of the following features do prokaryotes and eukaryotes have in common? a. Ribosomes, nucleus, and plasma membrane b. Mitochondria, cytoplasm, and plasma membrane c. Mitochondria, ribosomes, and cytoplasm d. Ribosomes, plasma membrane, and cytoplasm e. Nucleus, plasma membrane, and ribosomes

ribosomes, plasma membrane, and cytoplasm

You would expect a cell with an extensive Golgi apparatus to... a. make a lot of ATP b. secrete a lot of protein c. absorb nutrients in the GI tract d. move rapidly e. store large quantities of ions

secrete a lot of protein

Cell fractionation... a. is no longer used in modern cell biology b. None of the listed responses is correct. c. requires the use of a scanning electron microscope d. separates cells into their component parts e. uses strong acids to break apart cells

separates cells into their component parts

What is the functional connection between the nucleolus, nuclear pores, and the nuclear membrane? a. The nucleolus passes through the nuclear membrane via the nuclear pores. b. The nuclear pores are connections between the nuclear membrane and the endoplasmic reticulum that permit ribosomes to assemble on the surface of the ER. c. Endoplasmic reticulum membrane is produced in the nucleolus and leaves the nucleus through the nuclear pores. d. The nucleolus contains messenger RNA (mRNA), which crosses the nuclear envelope through the nuclear pores. e. Subunits of ribosomes are assembled in the nucleolus and pass through the nuclear membrane via the nuclear pores.

subunits of ribosomes are assembled in the nucleolus and pass through the nuclear membrane via the nuclear pores.

Your intestine is lined with individual cells that absorb nutrients. No fluids leak between these cells from the interior of the intestine. Why? a. The intestinal cells are bound together by plasmodesmata. b. The intestinal cells are fused together into one large cell. c. The intestinal cells are bound together by gap junctions. d. The intestinal cells are bound together by tight junctions. e. The intestinal cells are bound together by the extracellular matrix.

the intestinal cells are bound together by tight junctions.

A dish of animal cells was grown in the presence of radioactive phosphorous. The phosphorous largely ended up in nucleotides inside the actively growing animal cells. In which cellular structure(s) would you predict the majority of the radioactive phosphorous to accumulate? a. Rough endoplasmic reticulum b. The Golgi apparatus and the nucleus c. The Golgi apparatus d. Rough endoplasmic reticulum and Golgi apparatus e. The nucleus

the nucleus