Q: Which equation correctly represents the process of aerobic cellular respiration in mitochondria?

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

Question 1

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

Accepted Answer

Mitochondria have a double membrane and their own circular DNA similar to prokaryotes.

Question 2

Which of the following is NOT a difference between prokaryotic and eukaryotic cells?

Accepted Answer

Presence of ribosomes for protein synthesis

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 is a correct example of a species from the kingdom Plantae?

Accepted Answer

Arabidopsis thaliana

Question 5

Which of the following pathogens is responsible for causing malaria?

Accepted Answer

Plasmodium falciparum

Question 6

Which structure is found in eukaryotic cells but NOT in prokaryotic cells?

Accepted Answer

Nucleus

Question 7

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

Accepted Answer

Protein modification and sorting for secretion

Question 8

Which of the following structures is directly involved in cellular movement in eukaryotes?

Accepted Answer

Flagella

Question 9

Which equation correctly represents the process of aerobic cellular respiration 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 10

Which evolutionary development most directly enabled the emergence of eukaryotic cells from prokaryotic ancestors?

Accepted Answer

Acquisition of membrane-bound organelles via endosymbiosis

Question 11

Which of the following statements about the cytoskeleton in eukaryotic cells is TRUE?

Accepted Answer

It is composed of microtubules, microfilaments, and intermediate filaments.

Question 12

Which of the following structures is present in both animal and plant cells but absent in prokaryotic cells?

Accepted Answer

Mitochondria

Question 13

A cell is observed to have chloroplasts, a large central vacuole, and a cell wall made of cellulose. Which kingdom does this cell most likely belong to?

Accepted Answer

Plantae

Question 14

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

Accepted Answer

Intracellular digestion of macromolecules

Question 15

Which structure is responsible for synthesizing proteins in both prokaryotic and eukaryotic cells?

Accepted Answer

Ribosome

Question 16

Which of the following is a correct description of the function of the plasma membrane?

Accepted Answer

It regulates the movement of substances into and out of the cell.

Question 17

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

Accepted Answer

Eukaryotic chromosomes are linear and located in the nucleus.

Question 18

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

Accepted Answer

Chloroplast

Question 19

Which of the following is a correct sequence of evolutionary events leading to the emergence of eukaryotic cells?

Accepted Answer

Development of internal membranes, endosymbiosis of aerobic bacteria, acquisition of mitochondria

Question 20

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

Accepted Answer

Storage of water and maintenance of turgor pressure

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

Guida di studio - Domande di pratica

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