Q: Which of the following equations correctly represents the size range of prokaryotic cells?

$$0.2\ \mu m \leq \text{diameter} \leq 20\ \mu m$$

Q: Which of the following equations correctly represents the size range of eukaryotic cells?

$$10\ \mu m \leq \text{diameter} \leq 100\ \mu m$$

Question 1

Which of the following statements best describes a key difference between prokaryotic and eukaryotic cells?

Accepted Answer

Prokaryotic cells lack a nuclear membrane, while eukaryotic cells have DNA enclosed in a nuclear membrane.

Question 2

A bacterium is observed to have a thick, organized, and firmly attached layer outside its cell wall. What is this structure called?

Accepted Answer

Capsule

Question 3

Which of the following is NOT a characteristic of prokaryotic cells?

Accepted Answer

Presence of membrane-enclosed organelles

Question 4

A scientist isolates a microorganism with the following features: presence of a Golgi complex, DNA associated with histones, and division by mitosis. To which group does this organism most likely belong?

Accepted Answer

Eukarya

Question 5

Which of the following best describes the arrangement of Streptococci?

Accepted Answer

Remain attached in chainlike pattern

Question 6

Which of the following equations correctly represents the size range of prokaryotic cells?

Accepted Answer

$$0.2\ \mu m \leq 	ext{diameter} \leq 20\ \mu m$$

Question 7

Which of the following is a distinguishing feature of Archaea compared to Bacteria?

Accepted Answer

Archaea are prokaryotic microorganisms with unique membrane lipids.

Question 8

A bacterium is described as 'pleomorphic.' What does this mean?

Accepted Answer

It can have more than one genetically controlled shape.

Question 9

Which of the following best describes the function of the glycocalyx in bacteria?

Accepted Answer

It acts as a sugar coat that can protect bacteria from desiccation and phagocytosis.

Question 10

Which of the following is a correct pairing of bacterial shape and example?

Accepted Answer

Spirillum – helical shape

Question 11

A patient sample contains cells with a simple cell wall, large ribosomes, and division by mitosis. Which type of cell is most likely present?

Accepted Answer

Eukaryotic cell

Question 12

Which of the following is NOT a typical characteristic used to differentiate bacterial species?

Accepted Answer

Presence of a nucleus

Question 13

Which of the following best describes the arrangement of Staphylococci?

Accepted Answer

Form grape-like clusters

Question 14

Which of the following is true regarding the plasma membrane of prokaryotic cells?

Accepted Answer

It generally lacks carbohydrates and sterols.

Question 15

Which of the following equations correctly represents the size range of eukaryotic cells?

Accepted Answer

$$10\ \mu m \leq 	ext{diameter} \leq 100\ \mu m$$

Question 16

Which of the following is a unique feature of eukaryotic cells compared to prokaryotic cells?

Accepted Answer

Presence of membrane-bound organelles such as mitochondria

Question 17

Which of the following best describes the difference in ribosome size between prokaryotic and eukaryotic cells?

Accepted Answer

Prokaryotic cells have smaller ribosomes than eukaryotic cells.

Question 18

Which of the following is an example of a bacterium with an unusual shape?

Accepted Answer

Stella (star-shaped)

Question 19

Which of the following statements about bacterial reproduction is correct?

Accepted Answer

Bacteria reproduce asexually by binary fission and may transfer DNA fragments.

Functional Anatomy of Prokaryotic and Eukaryotic Cells: Study Notes

Study Guide - Practice Questions

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