Cromosoma

Chromosomes, located in the nucleus of eukaryotic cells, are the functional units of heredity. They contain proteins that assist in folding, replication, and gene expression. Chromosome shapes vary among organisms, and human cells typically have 23 pairs of chromosomes.

What is the primary location of chromosomes in eukaryotic cells?

• Cell membrane

• Nucleus

• Mitochondria

• Cytoplasm

What is the role of chromosomes in heredity?

• They are the functional units of heredity.

• They provide energy to cells.

• They protect the cell nucleus.

• They transport nutrients.

Which of the following is NOT a function of proteins in chromosomes?

• Producing energy

• Folding DNA

• Expressing genes

• Replicating DNA

How do chromosomes differ among various organisms?

• By their size

• By their shape

• By their color

• By their number

How many pairs of chromosomes are typically found in human cells?

• 25 pairs

• 24 pairs

• 23 pairs

• 22 pairs