General Biology

Question 1

1. Name the key parts of an animal cell

Answer 1

Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes.

Question 2

2. Name the key parts of a plant cell

Answer 2

Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes, cell wall, chloroplasts, permanent vacuole.

Question 3

Differences between prokaryotic and eukaryotic cells:

Answer 3

Prokaryotes have no nucleus or membrane-bound organelles; eukaryotes do. Prokaryotes are usually smaller.

Question 4

What is a plasmid?

Answer 4

A small, circular piece of DNA found in prokaryotic cells like bacteria.

Question 5

Functions of animal cell parts:

Answer 5

Nucleus: contains DNA, controls the cell

Cytoplasm: site of chemical reactions

Cell membrane: controls what enters and exits

Mitochondria: site of respiration

Ribosomes: site of protein synthesis