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Cell Biology and Cellular Structure Quiz

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#1

Which organelle is responsible for the production of ATP?

Mitochondrion
Explanation

'Receive' is the correct spelling (option B).

#2

Which phase of the cell cycle involves the replication of DNA?

S phase
Explanation

DNA replication phase.

#3

What is the primary function of the endoplasmic reticulum (ER)?

Protein synthesis
Explanation

Site of protein synthesis.

#4

Which structure is responsible for maintaining cell turgor pressure in plant cells?

Central vacuole
Explanation

Maintains cell's internal pressure.

#5

What is the primary function of the nucleolus?

Ribosomal RNA synthesis
Explanation

Produces ribosomal RNA.

#6

What is the main function of the smooth endoplasmic reticulum?

Lipid synthesis
Explanation

Site for lipid synthesis in cells.

#7

Which of the following is NOT a type of cell junction?

Nuclear pores
Explanation

Nuclear pores are not cell junctions.

#8

What is the function of the Golgi apparatus in the cell?

Modification and packaging of proteins
Explanation

Processes and packages proteins.

#9

Which type of cell division results in the formation of gametes?

Meiosis
Explanation

Produces gametes (sex cells).

#10

Which organelle is responsible for breaking down and recycling cellular components?

Lysosome
Explanation

Breaks down cellular waste.

#11

What is the primary function of the lysosomes?

Digestion of cellular waste
Explanation

Responsible for cellular waste digestion.

#12

Which cellular structure is responsible for maintaining cell shape and providing mechanical support?

Microtubules
Explanation

Critical for cell shape and support.

#13

What is the role of the nucleus in a eukaryotic cell?

Storage of genetic material
Explanation

Holds genetic material.

#14

Which cellular structure is responsible for the synthesis of ribosomal RNA (rRNA)?

Nucleolus
Explanation

Produces ribosomal RNA.

#15

Which type of cell does NOT have a defined nucleus?

Prokaryotic cell
Explanation

Cells without a nucleus.

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