Q: Which of the following best describes the flow of genetic information in a eukaryotic cell?

$$DNA \rightarrow RNA \rightarrow \text{protein}$$

Question 1

Which of the following statements best explains why antibiotics can target bacterial cells without harming human cells?

Accepted Answer

Antibiotics bind to structures found only in bacterial cells, such as the cell wall and certain ribosomes.

Question 2

Which organelle is responsible for producing ATP from the energy of food molecules in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 3

A scientist discovers a cell with a nucleoid region, circular DNA, and no membrane-bound organelles. To which domain does this cell most likely belong?

Accepted Answer

Bacteria

Question 4

Which of the following is NOT a function of the central vacuole in plant cells?

Accepted Answer

Synthesizing proteins for export

Question 5

Which structure is found in plant cells but NOT in animal cells?

Accepted Answer

Cell wall

Question 6

A mutation in the genes responsible for the structure of cilia and flagella can lead to which of the following human health problems?

Accepted Answer

Male infertility and respiratory issues

Question 7

Which of the following best describes the flow of genetic information in a eukaryotic cell?

Accepted Answer

$$DNA ightarrow RNA ightarrow 	ext{protein}$$

Question 8

Which organelle is primarily responsible for detoxifying drugs in liver cells?

Accepted Answer

Smooth endoplasmic reticulum

Question 9

Which of the following is a major theme illustrated by the coordinated action of the nucleus, ribosomes, ER, and Golgi apparatus in protein production?

Accepted Answer

Interactions within biological systems

Question 10

Which of the following statements about mitochondria and chloroplasts provides evidence for the endosymbiotic theory?

Accepted Answer

They contain their own circular DNA and ribosomes similar to those of prokaryotes.

Question 11

A cell is observed to have a large number of ribosomes attached to its rough ER. What is the most likely function of this cell?

Accepted Answer

Producing and exporting proteins

Question 12

Which of the following cellular structures is targeted by most antibiotics?

Accepted Answer

Cell wall and ribosomes of bacteria

Question 13

Which of the following best describes the structure of the plasma membrane?

Accepted Answer

A fluid mosaic of phospholipids and proteins

Question 14

Which organelle is responsible for breaking down damaged organelles and large molecules in animal cells?

Accepted Answer

Lysosome

Question 15

Which of the following is a function of the cytoskeleton?

Accepted Answer

Providing mechanical support and enabling cell movement

Question 16

Which of the following is a real-world application of the study of bacterial resistance in human populations?

Accepted Answer

Developing new antibiotics based on proteins produced by resistant individuals

Question 17

Which of the following sequences correctly represents the order of cellular structures used in the production and secretion of a protein?

Accepted Answer

Nucleus $$\rightarrow$$ Ribosome $$\rightarrow$$ Transport vesicle $$\rightarrow$$ Golgi apparatus $$\rightarrow$$ Plasma membrane

Question 18

Which of the following is a correct statement about the relationship between structure and function in biological systems?

Accepted Answer

The structure of a cell or organelle determines its specific function.

Question 19

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

Accepted Answer

Lack of membrane-bound organelles

Question 20

Which of the following best explains why plant cells do not burst when placed in hypotonic solutions?

Accepted Answer

The cell wall provides structural support and prevents excessive water uptake.

Cell Structure and Function: A Tour of the Cell

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