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DNA&Replication
Question | Answer |
---|---|
Which stage does chromatin condense into chromosomes? | Prophase |
Chromosomes align in the center of the cell during which stage? | Metaphase |
Which stage is the longest part of the cell cycle? | Interphase |
Which stage does the nuclear envelope break down in? | Prometaphase |
Cell is cleaved into two daughter cells during which stage? | Cytokinesis |
Daughters arrive at the pole during which stage? | Telophase |
What two reasons shown for cell division? | Growth |
What is the DNA backbone made up of? | Deoxyribose |
The spools from which DNA unwinds is made up of what? | Deoxyribose sugar and phosphate |
What is Adenine always paired with? | Thymine |
What is Guanine always paired with? | Cytosine |
What is a DNA double helix look like? | A ladder |
The rungs of the "DNA ladder" are broken apart by what special protein? | Special Enzymes |
The cell cycle has how many parts? | Two |
What are the two parts of the cell cycle? | Interphase and cell division |
Interphase begina immediately after | Cell division |
At the end of interphase, | Cells are significantly larger than at the beginning |
G1 is the first step in | Interphase |
In G1 the cell | Doubles in size |
How many chromosomes are visinle at the beginning of mitosis? | 4 |
How many are in each daughter cell at the end of mitosis? | 4 |
What DNA divides, the DNA does what to itself | The two strands of the double helix seperates into two new strands |
What are the four different nitrogen bases? | Adenine, Guanine, Thymine, and Cytosine |
What is the longest part of mitosis? | Interphase |
What is the first step in mitosis? | Interphase |