Cell Replication

In what stage of the cell cycle does DNA replication occur?

• G1- growth phase

• S-synthesis phase

• G2- Proof reading phase

• Mitosis

Which of the following statements about cell replication is TRUE

• Mitosis produces 2 genetically identical haploid cells

• Meiosis produces 4 genetically identical haploid cells

• Mitosis produces 2 genetically identical diploid cells

• Meiosis produces 4 genetically identical diploid cells

In what stage of cell replication does crossing over of homologous pairs of chromosomes occur?

• Prophase of mitosis

• Prophase 1 of meiosis

• Metaphase 2 of meiosis

• Metaphase of mitosis

Which organelle has its own DNA.

• Mitochondria

• Ribosomes

• Lysosome

• Cell membrane

The complementary bases pairs in DNA are held together by:

• Covalent bonds

• Ligase

• Ionic bonds

• Weak hydrogen bonds

What molecules do the red and green circles respectively illustrate in the image provided?

• Helicase and RNA primer

• DNA polymerase and helicase

• DNA polymerase and ligase

• Ligase and helicase

Nucleotides are ALWAYS added from the 3' end to the 5' end. TRUE or FALSE

• TRUE

• FALSE