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block

In addition to the fundamental structures required to be defined as a cell, a particular cell also has a nucleus and chloroplasts. Based on this information, this cell could be _____.

Select the correct answer(s).  

(0/0)

---

a bacterium

a cell from the intestinal lining of a cow

a cell from a pine tree

a protistal cell and a plant cell

a yeast (fungus) cell

none

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

Select the correct answer(s).  

(0/0)

---

lack chromosomes

have no ribosomes

have a smaller nucleus

have no membrane-bounded organelles in their cytoplasm

lack a plasma membrane

none

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

Select the correct answer(s).  

(0/0)

---

The nucleolus contains messenger RNA (mRNA), which crosses the nuclear envelope through the nuclear pores.

None of the listed responses is correct.

The nuclear pores are connections between the nuclear membrane and the endoplasmic reticulum that permit ribosomes to assemble on the surface of the ER.

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

Endoplasmic reticulum membrane is produced in the nucleolus and leaves the nucleus through the nuclear pores.

none

Which of the following groups is primarily involved in synthesizing molecules needed by the cell?

Select the correct answer(s).  

(0/0)

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rough endoplasmic reticulum, lysosome, vacuole

lysosome, vacuole, ribosome

ribosome, rough endoplasmic reticulum, smooth endoplasmic reticulum

smooth endoplasmic reticulum, ribosome, vacuole

vacuole, rough endoplasmic reticulum, smooth endoplasmic reticulum

none

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

Select the correct answer(s).  

(0/0)

---

the nucleus

a microtubule

the endomembrane system

the plasma membrane

a ribosome

none

Which of the following is the simplest collection of matter that can live?

Select the correct answer(s).  

(0/0)

---

organ

tissue

None of the listed responses is correct.

molecules

cell

none

Consider a protein that is made in the rough endoplasmic reticulum. You observe that when the synthesis of the protein is completed, the protein is located in the ER membrane. Where else in the cell might this protein be found?

Select the correct answer(s).  

(0/0)

---

in the aqueous interior of a lysosome functioning as a digestive enzyme

in a mitochondrion functioning in ATP synthesis

in the internal space of the Golgi apparatus, being modified before the protein is excreted

in the cytoplasm functioning as an enzyme in carbohydrate synthesis

embedded in the plasma membrane functioning in the transport of molecules into the cell

none

Which of the following features do prokaryotes and eukaryotes have in common?

Select the correct answer(s).  

(0/0)

---

ribosomes, nucleus, plasma membrane

mitochondria, ribosomes, cytoplasm

mitochondria, cytoplasm, plasma membrane

ribosomes, plasma membrane, cytoplasm

nucleus, plasma membrane, ribosomes

none

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?

Select the correct answer(s).  

(0/0)

---

scanning electron microscope, because of its ability to visualize the surface of subcellular objects

light microscope, because the specimen is alive

transmission electron microscope, because of its high resolving power

transmission electron microscope, because of its high magnifying power

light microscope, because of its high resolving power

none

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

Select the correct answer(s).  

(0/0)

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Eukaryotic cells are much more successful than prokaryotic cells.

Eukaryotic cells lack many of the organelles found in prokaryotes.

Eukaryotic cells are compartmentalized, which allows for specialization.

Eukaryotic cells are larger than prokaryotic cells.

Eukaryotic cells can synthesize proteins but prokaryotic cells cannot.

none

Which of the following categories best describes the function of the rough endoplasmic reticulum?

Select the correct answer(s).  

(0/0)

---

breakdown of complex foods

energy processing

manufacturing

structural support of cells

information storage

none

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

Select the correct answer(s).  

(0/0)

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make a lot of ATP

secrete a lot of protein

store large quantities of ions

move rapidly

absorb nutrients in the GI tract

none

Which of the following structures is found in eukaryotic but not prokaryotic cells?

Select the correct answer(s).  

(0/0)

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ribosomes

DNA

mitochondria

cytosol

plasma membrane

none

A researcher made an interesting observation about a protein made by the rough endoplasmic reticulum and eventually found in a cell's plasma membrane. The protein in the plasma membrane was actually slightly different from the protein made in the ER. The protein was probably altered in the _____.

Select the correct answer(s).  

(0/0)

---

smooth endoplasmic reticulum

plasma membrane

Golgi apparatus

transport vesicles

rough endoplasmic reticulum

none

Which of the following is false in respect to cells' chromosomes?

Select the correct answer(s).  

(0/0)

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Chromosomes only exist when cells are actively synthesizing proteins.

None of the listed responses is false.

All cells possess one or more chromosomes.

Chromosomes are present throughout a cell's reproductive cycle.

Chromosomes only appear as a cell is about to divide.