$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{energy}$$

Question 1

Which of the following is NOT considered evidence supporting the endosymbiotic theory for the origin of mitochondria in eukaryotic cells?

Accepted Answer

Mitochondria possess ribosomes similar to those found in eukaryotic cytoplasm.

Question 2

Which cellular structure is present in both prokaryotic and eukaryotic cells and is responsible for protein synthesis?

Accepted Answer

Ribosome

Question 3

A scientist discovers a unicellular organism with a cell wall, no nucleus, and circular DNA. Which kingdom does this organism most likely belong to?

Accepted Answer

Monera

Question 4

Which of the following best describes the difference between animal and plant cells?

Accepted Answer

Plant cells have a cell wall and chloroplasts, while animal cells lack both.

Question 5

Which of the following pathogens is responsible for causing malaria?

Accepted Answer

Plasmodium species

Question 6

Which structure in eukaryotic cells is primarily responsible for modifying, sorting, and packaging proteins for secretion?

Accepted Answer

Golgi apparatus

Question 7

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

Accepted Answer

Maintaining cell shape and facilitating movement

Question 8

A cell is observed to have flagella composed of microtubules arranged in a '9+2' pattern. What type of cell is this most likely?

Accepted Answer

Eukaryotic cell

Question 9

Which of the following evolutionary developments enabled the emergence of eukaryotic cells?

Accepted Answer

Acquisition of membrane-bound organelles

Question 10

Which of the following is NOT a function of the mitochondrion?

Accepted Answer

Protein synthesis

Question 11

Which equation correctly represents the process of cellular respiration occurring in mitochondria?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{energy}$$

Question 12

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

Accepted Answer

Nucleus

Question 13

Which of the following statements about the genetic material in eukaryotes is correct?

Accepted Answer

Eukaryotic cells have linear chromosomes enclosed within a nucleus.

Question 14

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

Accepted Answer

Digestion of macromolecules and cellular debris

Question 15

Which of the following is a distinguishing feature of the kingdom Plantae compared to the kingdom Animalia?

Accepted Answer

Ability to perform photosynthesis using chloroplasts

Question 16

Which of the following is a correct sequence of events in the endosymbiotic theory for the origin of eukaryotic cells?

Accepted Answer

Engulfment of aerobic bacteria followed by engulfment of photosynthetic bacteria

Question 17

Which of the following structures is involved in the movement of eukaryotic cells?

Accepted Answer

Flagella composed of microtubules

Question 18

Which of the following is a correct function of the Golgi apparatus in eukaryotic cells?

Accepted Answer

Modification and packaging of proteins

Question 19

Which of the following is a correct description of the structure of a eukaryotic plasma membrane?

Accepted Answer

A double layer of phospholipids with embedded proteins

Question 20

Which of the following is a correct function of the vacuole in plant cells?

Accepted Answer

Storage of water and nutrients

Eukaryotic Cell Evolution, Structure, and Comparison: Study Notes for Microbiology

Study Guide - Practice Questions