Question

What is the main difference between prokaryotic and eukaryotic cells?
Presence of cell wall
Membrane bound nucleus
Composition of cytoplasm
Structure of plasma membrane
Clear selection​

Answer 1

Answer:

Eukaryotic Cell Prokaryotic Cell

Nucleus Present Absent

Number of chromosomes More than one One--but not true chromosome: Plasmids

Cell Type Usually multicellular Usually unicellular (some cyanobacteria may be multicellular)

True Membrane bound Nucleus Present Absent

Example Animals and Plants Bacteria and Archaea

Genetic Recombination Meiosis and fusion of gametes Partial, undirectional transfers DNA

Lysosomes and peroxisomes Present Absent

Microtubules Present Absent or rare

Endoplasmic reticulum Present Absent

Mitochondria Present Absent

Cytoskeleton Present May be absent

DNA wrapping on proteins. Eukaryotes wrap their DNA around proteins called histones. Multiple proteins act together to fold and condense prokaryotic DNA. Folded DNA is then organized into a variety of conformations that are supercoiled and wound around tetramers of the HU protein.

Explanation:

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Answer 2

Answer:

Membrane bound nucleus