Question

1. compare and contrast eukaryotic cells vs prokaryotic cells.
2. compare and contrast plant and animal cell structure. (similarities and differences)

Explanation:

1. Prokaryotic vs Eukaryotic Cells:

• Nucleus: Prokaryotic cells lack a true nucleus; their DNA is in the nucleoid region. Eukaryotic cells have a membrane - bound nucleus.
• Size: Prokaryotic cells are generally smaller (0.1 - 5.0 μm) compared to eukaryotic cells (10 - 100 μm).
• Organelles: Prokaryotes have few or no membrane - bound organelles. Eukaryotes have many, such as mitochondria, endoplasmic reticulum, etc.
• Cell division: Prokaryotes divide by binary fission. Eukaryotes divide by mitosis or meiosis.
• Similarities: Both have a cell membrane, ribosomes, and DNA as genetic material.

1. Plant vs Animal Cells:

• Cell Wall: Plant cells have a rigid cell wall made of cellulose, while animal cells do not.
• Chloroplasts: Plant cells have chloroplasts for photosynthesis; animal cells lack them.
• Vacuoles: Plant cells usually have a large central vacuole, while animal cells have small, multiple vacuoles or none.
• Shape: Plant cells are often more regular in shape due to the cell wall, while animal cells are more irregular.
• Similarities: Both have a nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, and ribosomes.

Answer:

1.

Prokaryotic Cells	Eukaryotic Cells
Smaller (0.1 - 5.0 μm)	Larger (10 - 100 μm)
Few or no membrane - bound organelles	Many membrane - bound organelles
Divide by binary fission	Divide by mitosis or meiosis
Have cell membrane, ribosomes, DNA	Have cell membrane, ribosomes, DNA

2.

Feature	Animal	Plant
Chloroplasts	No	Yes
Vacuoles	Small, multiple or none	Large central vacuole
Shape	Irregular	More regular
Nucleus, Mitochondria, etc.	Present	Present