What do all cells (eukaryotic and prokaryotic) have? - ProProfs Discuss
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What do all cells (eukaryotic and prokaryotic) have?



A. Cell membrane
B. Nucleus
C. Cell wall
D. Chloroplast
E. Mitochondria

This question is part of Cell Parts Quiz
Asked by Mrchaple, Last updated: Aug 03, 2020

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3 Answers

Anika Nicole

Content Writer, Teacher

Anika Nicole, Wordsmith, PG In Journalism, New York

Answered Jun 23, 2020

The correct answer is option A - cell membrane.

A prokaryotic cell is a simple unicellular cell that lacks a nucleus; examples of a prokaryotic cell are bacteria and archaea. The eukaryotic cell has a well-built nucleus and is multicellular. Examples are animal cells, plant cells, protists, and fungi.

The cell membrane is a protective sheath, enveloping the cell body. It is also known as the plasma membrane or plasmalemma. This membrane separates the fluid outside the cell called extracellular fluid (ECF) and the fluid inside the cell called intracellular fluid (ICF).

The cell membrane is called a unit membrane or a three-layered membrane. The cell membrane composes of three substances, which are the protein, lipids, and carbohydrates. There are mainly two types of transport that occur in the cell membrane, which is passive and active transport.

 

Danny R. Glover

Danny R. Glover, Editor, New York City

Answered Feb 20, 2019

Eukaryotic cells carry membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in the cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the chromosol DNA.

The cell walls of prokaryotes are predominantly formed of a different molecule as compared to those of eukaryotes. (many eukaryotes do not have a cell wall at all). Eukaryotic cells have a true nuclear membrane, which is not there in prokaryotic cells. Eukaryotic cells have membrane-bound organelles. Both types of cells have mitochondria, which is the brain of the cell.

 

mrchaple

Mrchaple

Answered Nov 15, 2017

Cell membrane
 

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