IB Biology Topic 1 Review

Front

What is the phase of mitosis where sister chromatids are pulled apart?

Back

Anaphase

Front

Which processes occur during interphase in animal cells?

Back

Re-formation of nuclear membranes and DNA replication.

Front

What is the function of a plasmid in prokaryotes?

Back

It serves as the site of hereditary material.

Front

What is one of the key statements of the cell theory?

Back

Cells come from pre-existing cells.

Front

How do you convert 0.1 mm to micrometers (μm)?

Back

0.1 mm is equal to 100 μm.

Front

What occurs during prophase of mitosis?

Back

Chromatin condenses into chromosomes and the nuclear envelope begins to break down.

Front

What is the role of DNA replication during the cell cycle?

Back

To ensure that each daughter cell receives an identical set of chromosomes.

Front

What is the significance of homologous chromosomes pairing?

Back

It allows for genetic recombination during meiosis.

Front

What is the primary function of ribosomes in cells?

Back

To synthesize proteins.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have them.