Question 1

A cell surrounded by only a plasma membrane but containing a nucleus,mitochondria,Golgi apparatus,both smooth and rough ER,ribosomes,cytoskeleton,and lysosomes would be an example of a typical ________ cell.

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Question 2

Indicate which cell in the figure below is the plant cell and which is the animal cell.Label all cellular structures 1-12 in both cells.Include a brief description of each organelle's function with its label.

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Question 3

The figure below depicts a transport protein in a plasma membrane.The dark blue molecules represent a protein that is being transported out of the cell.Is the transport of the protein active or passive? Support your answer by describing evidence visible in the figure and stating its significance regarding your answer.

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Question 4

The figure below depicts transport proteins in a plasma membrane.Molecules are moving through the plasma membrane.How are the molecules moving across the membrane? Is this movement active or passive? Support your answer by describing evidence visible in the figure and stating its significance regarding your answer.

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Question 5

When scientists such as J.C.Venter and Daniel Gibson engineer a cell constructed with synthetic DNA in the laboratory,do they challenge accepted cell theory? If so,which part of cell theory do they challenge? Briefly explain your answer.

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Question 6

If a white blood cell (WBC)is approximately 18 µm in diameter,which of the cell types or viruses seen in the infographic below would it be large enough to engulf? Describe the process the white blood cell would use to engulf another cell.

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Question 7

Label the plasma membrane below.Use the following terms: cellular environment,external environment,plasma membrane,hydrophilic heads,hydrophobic tails,energy,water,sugar,and transport protiens.

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Question 8

Examine the infographic below.Are all bacteria (prokaryotes)likely to be 3 µm in length and all protozoans (eukaryotes)500 µm in size? Support your answer using information from the infographic.

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Question 9

Examine the photo below.This photo shows low-density lipoprotein (LDL)particles bound to receptors on the outside of a cell membrane.You view the same cell later and notice that the LDL particles are now enclosed in vesicles inside of the cell.What would you propose as the explanation for how the LDL particles arrived in their new location? Support your explanation.

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Question 10

What additional structures would the cell below need to become a plant cell?

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Question 11

A cell that has numerous ________ is a plant cell that plays an important role in photosynthesizing sugars for the entire plant.

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Question 12

There are cells in the human pancreas that produce insulin,a peptide hormone important in the regulation of blood sugar levels by adjusting the metabolism of sugars and fats.Once the pancreas cells have produced the initial peptide (small string of amino acids)component of insulin,it must be finished,packaged,and shipped out of the cell.Which organelles would likely be involved in this process of finishing,packaging,and shipping of a peptide hormone? Include a brief,general description of what happens to the hormone at each organelle and the plasma membrane.

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Question 13

A cell containing a nucleus,mitochondria,Golgi apparatus,both smooth and rough ER,ribosomes,cytoskeleton,a large vacuole,and chloroplasts would be an example of a typical ________ cell.

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Question 14

Explain the process through which cells lining blood vessels bring in pockets of fluids from the bloodstream.Is this process specific or nonspecific?

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Question 15

In your own words,briefly point out the primary difference between prokaryotes and eukaryotes,and then explain what might keep viruses from being included in either of these categories.

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Question 16

Using what you know about cell theory and viruses,explain why viruses are not alive.

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Quiz 4: Life Is Cellular