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Cellular Organization and Classification Quiz

12 Questions

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Cellular Organization and Classification Quiz

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Questions and Answers

What is a defining characteristic of animal cells compared to plant cells?

Presence of a cell wall
Chloroplasts
Larger size
Irregular shape (correct)

Which type of cell is known to be the earliest on earth?

Eukaryotic
Prokaryotic (correct)
Cyanobacterial
Archaeal

Which organelle is responsible for cellular energy exchange in eukaryotic cells?

Lysosomes
Mitochondria (correct)
Endoplasmic reticulum
Golgi apparatus

What is the main difference between prokaryotic and eukaryotic cells regarding their nucleus?

Eukaryotic cells have a defined nucleus surrounded by a nuclear membrane. (C) Signup and view all the answers

Which type of cell has a cell wall in addition to a cell membrane?

Plant cells (D) Signup and view all the answers

What is the function of cyanobacteria among prokaryotes?

Perform photosynthesis (B) Signup and view all the answers

What is the fundamental structure of the cell membrane?

A phospholipid bilayer (D) Signup and view all the answers

What is the main function of the cell membrane?

Selective transport of molecules (C) Signup and view all the answers

Why are cell membranes known as semi-permeable or selectively permeable membranes?

They selectively allow certain substances to pass through (C) Signup and view all the answers

What do proteins embedded within the phospholipid bilayer of the cell membrane do?

Carry out specific functions, including selective transport of molecules (C) Signup and view all the answers

How does the cell membrane contribute to the protection of a cell?

By regulating the transport of materials in and out of the cell (B) Signup and view all the answers

Which term describes the lipid bilayer of the cell membrane's ability to allow only certain molecules to pass through?

Semipermeable or selectively permeable (D) Signup and view all the answers