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16 Questions

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Cell: Definition and Types Quiz

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Questions and Answers

What type of cells reproduce by fissiparity?

Archaebacteria

Eukaryotic cells

Plants

Eubacteria (correct)

Which of the following statements is true about prokaryotic cells?

They have a nucleus delimited by a nuclear envelope.

They contain mitochondria.

They reproduce through mitosis and meiosis.

Their DNA is free in the cytoplasm. (correct)

What is the defining feature of eukaryotic cells?

Presence of a nucleus delimited by a nuclear envelope (correct)

Reproduction by fissiparity

Absence of ribosomes

Absence of internal membranes

Which of the following is not a characteristic of prokaryotic cells?

Presence of mitochondria Signup and view all the answers

In prokaryotic cells, what does the absence of mitosis and meiosis mean for reproduction?

They reproduce through binary fission Signup and view all the answers

Which type of cells have their DNA free in the cytoplasm?

Prokaryotic cells Signup and view all the answers

What is a characteristic feature of plant cells that distinguishes them from animal cells?

Large vacuole that occupies most of the cell volume Signup and view all the answers

Which component is common to both eukaryotic and prokaryotic cells?

Ribosomes Signup and view all the answers

What is the main role of the bacterial wall in prokaryotic cells?

Determine the shape and ensure protection Signup and view all the answers

Which staining technique revealed the existence of two types of bacteria based on their wall composition?

Gram staining Signup and view all the answers

What is the molecular model of the plasma membrane?

Fluid structure with mobile proteins Signup and view all the answers

What differentiates eukaryotic cells from prokaryotic cells in terms of cell division?

Cell division by mitosis and meiosis Signup and view all the answers

What is a common feature of both prokaryotic and eukaryotic cells' plasma membrane?

Analogous molecular structure Signup and view all the answers

What is the main role of the periplasmic space in prokaryotic cells?

Separates the plasma membrane from the bacterial wall Signup and view all the answers

What distinguishes Gram-positive bacteria from Gram-negative bacteria based on their wall composition?

Thin layer of peptidoglycans in their wall Signup and view all the answers

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

Lack of a large central vacuole Signup and view all the answers