Campbell Biology in Focus Ch. 4 Practice Questions

Question 1

You want to film the movement of chromosomes during cell division. Which type of microscope should be chosen & why?

Accepted Answer

Light microscope

Question 2

Which is/are most likely to be involved in the process of producing proteins for a chloroplast or mitochondrion?

Accepted Answer

free cytoplasmic ribosomes

Question 3

A MB protein synthesized in the rER differed from embedded protein in plasma membrane. The protein was altered in the __

Accepted Answer

Golgi apparatus

Question 4

Microtubules and microfilaments commonly work with what to perform many of their functions?

Accepted Answer

None of the above

Question 5

Which correctly compares the extracellular matrix (ECM) of animal cells to cell walls of plant cells?

Accepted Answer

Both the ECM and the plant cell wall are composed of varying mixtures of pr

Question 6

Basal bodies are most closely associated with which of the following cell components?

Accepted Answer

cilia

Question 7

Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why?

Accepted Answer

The intestinal cells are bound together by tight junctions.

Question 8

Which structure is found in eukaryotic, but not prokaryotic, cells?

Accepted Answer

mitochondria

Question 9

Which cell type(s) have a nucleus and chloroplast, in addition to a cell's fundamental structures?

Accepted Answer

A protist cell and a plant cell

Question 10

Which group of organelles is primarily involved in synthesizing molecules needed by the cell?

Accepted Answer

ribosomes, rough endoplasmic reticulum, and smooth endoplasmic reticulum

Question 11

Which category best fits the function of the rough endoplasmic reticulum?

Accepted Answer

manufacturing

Question 12

Two cells of same volume butdifferent surf. area. Cell with larger surf. area is likely to _____

Accepted Answer

be involved in the rapid uptake of compounds from the cell's environment

Question 13

What is the functional connection between the nucleolus, nuclear pores, and the nuclear membrane?

Accepted Answer

Ribosomal subunits from nucleo., thru nuc. membrane via nuc. pores

Question 14

Where would you expect to find proteins involved with movement of structures within a cell?

Accepted Answer

cytoskeleton

Question 15

Which statement about chloroplasts and mitochondria is true?

Accepted Answer

Chloroplasts and mitochondria make some of their proteinsns

Question 16

In terms of cellular function, what is the most important difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic compartmentalizatoin

Question 17

Which structures will not proliferate in pancreatic cells that begin to secrete lots of digestive enzyme?

Accepted Answer

free cytoplasmic ribosomes

Question 18

Consider a rER protein. When synthesis of it completes, it is located in the ER membrane. Where else could it be found?

Accepted Answer

In the cellular plasma membrane

Question 19

Which of these is the simplest unit of life?

Accepted Answer

Cell

Question 20

You would expect a cell with an extensive Golgi apparatus to ___________.

Accepted Answer

secrete a lot of protein

Question 21

Which is a possible reason for grouping the peroxisomes with chloroplasts and mitochondria?

Accepted Answer

None of these organelles are part of the endomembrane system.

Question 22

Which statement correctly describes characteristic shared by plant cell walls and an animal cell extracellular matrices?

Accepted Answer

Triangle and Circle

Question 23

Bacterial cells are prokaryotic. Unlike a typical eukaryotic cell they __________.

Accepted Answer

lack membrane-bounded organelles in their cytoplasm

Question 24

The walls of plant cells are largely composed of polysaccharides and proteins that are synthesized __________.

Accepted Answer

in the rough endoplasmic reticulum and in the Golgi apparatus

Question 25

Radioactive phosphorus was added to animal cells and was incorporated into nucleotides. Where would the phos. end up?

Accepted Answer

the nucleus

Question 26

Cell fractionation ______.

Accepted Answer

separates cells into their smallest component parts

Question 27

Which structure is found in animal cells but not in plant cells?

Accepted Answer

centrioles

Question 28

Which statement about the cytoskeleton is true?

Accepted Answer

Components of the cytoskeleton often mediate the movement of organelles wit

Question 29

Which organelle might be found inside other organelles?

Accepted Answer

ribosomes

Question 30

A substance moving from outside the cell into the cytoplasm must pass through __________.

Accepted Answer

the plasma membrane

Question 31

Cilia and flagella move due to the interaction of the cytoskeleton with what?

Accepted Answer

motor proteins

Question 32

Dye injected into a plant cell might be able to enter an adjacent cell through

Accepted Answer

a plasmodesma

Question 33

Which of these is a false statement?

Accepted Answer

Mitochondria contain ribosomes in the intermembrane space.

Question 34

Which is/are likely to limit the maximum size of a cell?

Accepted Answer

All of the above

Question 35

Which of these membranes are likely to have a lipid composition that is most distinct from the others?

Accepted Answer

mitochondrial outer membrane

Question 36

The observation that chloroplasts & mitochondria contain their own DNA and synthesize their own proteins suggests that _

Accepted Answer

must divide each time the cell containing them divides

Question 37

Which feature do prokaryotes and eukaryotes have in common?

Accepted Answer

ribosomes, plasma membrane, cytoplasm

Question 38

A protein that ultimately functions in the plasma membrane of a cell is most likely to have been synthesized __________.

Accepted Answer

in the rough endoplasmic reticulum

Question 39

Which is/are possible site(s) of protein synthesis in a typical eukaryotic cell?

Accepted Answer

All of the above

Question 40

The ribosomes of chlorplasts and mitochondria are most similar to ribosomes found in ____.

Accepted Answer

in bacterial cells

Question 41

Which type of cell will have have the most mitochondria?

Accepted Answer

muscle cells in the legs of a marathon runner

Campbell Biology in Focus Ch. 4 Practice Questions

Questions 41

Campbell Biology in Focus Ch. 4 Practice Questions

Questions 41