phosphate group, 5-carbon sugar deoxyribose, and a nitrogenous base
Cancer cells divide uncontrollably to form a mass of cells. What is this called?
a tumor
Chromosomes are lined up on the cell's equator
What is metaphase?
What bases pair together in Chargaff's rule?
Adenine to Thymine; Cytosine to Guanine
What is the main cause of cancer?
Unregulated or Uncontrolled Cell Division
What is the name of the enzyme that unzips the DNA molecule?
helicase
_____ is a process of programmed cell death.
Apoptosis
Visible structure seen beginning in prophase
What is a chromosome?
What is the name of enzyme that joins the nucleotides back together and proofreads the DNA molecule ?
DNA polymerase
Which gene is the most common in cancer cells?
p53 gene
What type of bond holds the nitrogenous bases together? What type of bond holds the nucleotides together?
Hydrogen bonds hold the bases; Covalent bonds hold the nucleotides.
These are a family of proteins that regulate the timing of the cell cycle in eukaryotic cells
Cyclins