Question 1

Which of the following provides the strongest evidence supporting the endosymbiotic theory for the origin of mitochondria in eukaryotic cells?

Accepted Answer

Mitochondria contain 70S ribosomes and their own circular DNA.

Question 2

A unicellular organism is observed under a microscope. It has a cell wall made of cellulose and contains chloroplasts. To which kingdom does it most likely belong?

Accepted Answer

Protista

Question 3

Which of the following statements best distinguishes eukaryotic cells from prokaryotic cells?

Accepted Answer

Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.

Question 4

Which of the following is NOT a characteristic of the kingdom Animalia?

Accepted Answer

Carry out photosynthesis

Question 5

Which group of parasitic helminths is characterized by a non-segmented, elongated, cylindrical body and includes hookworms and pinworms?

Accepted Answer

Roundworms (Nematodes)

Question 6

A fungus that can exist as both a yeast and a mold depending on environmental conditions is described as:

Accepted Answer

Dimorphic

Question 7

Which of the following is a function of the eukaryotic glycocalyx?

Accepted Answer

Promoting or preventing adhesion and aiding in cell communication

Question 8

Which of the following transport mechanisms is unique to eukaryotic cells and requires ATP?

Accepted Answer

Endocytosis

Question 9

Which of the following statements about eukaryotic ribosomes is TRUE?

Accepted Answer

They are larger than prokaryotic ribosomes and can be found on the rough endoplasmic reticulum.

Question 10

Which of the following best describes the function of the Golgi apparatus in eukaryotic cells?

Accepted Answer

It modifies, sorts, and distributes proteins and lipids received from the endoplasmic reticulum.

Question 11

Which of the following is a correct pairing of a fungal asexual spore and its description?

Accepted Answer

Conidiospore – not enclosed in a sac

Question 12

Which of the following is NOT a function of the eukaryotic cytoskeleton?

Accepted Answer

Synthesizing DNA

Question 13

Which of the following statements about eukaryotic plasma membranes is FALSE?

Accepted Answer

They are the site of ATP synthesis in eukaryotic cells.

Question 14

Which of the following is a true statement about the cell wall in eukaryotes?

Accepted Answer

It is found in fungi, plants, and some protists, but not in animals.

Question 15

Which of the following is a distinguishing feature of eukaryotic flagella compared to prokaryotic flagella?

Accepted Answer

Eukaryotic flagella move in a wave-like motion.

Question 16

Which of the following is NOT a type of sexual spore produced by fungi?

Accepted Answer

Conidiospore

Question 17

A patient with AIDS develops pneumonia caused by Pneumocystis jirovecii. This is an example of which type of infection?

Accepted Answer

Opportunistic mycosis

Question 18

Which of the following is a function of lysosomes in eukaryotic cells?

Accepted Answer

Digesting cellular waste and foreign material

Question 19

Which of the following best explains why the kingdom Protista is considered a 'catchall' kingdom?

Accepted Answer

It includes a diverse group of eukaryotes that do not fit into the other kingdoms.

Question 20

Which of the following is a correct description of the nucleus in eukaryotic cells?

Accepted Answer

It houses DNA, contains a nucleolus, and is surrounded by a double membrane with pores.

Introduction to Eukaryotic Cells: Structure, Function, and Diversity

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