DNA Structure
Name the three parts of a single DNA nucleotide.
What is phosphate, sugar, and base?
Which enzyme is responsible for "unzipping" the DNA strands?
What is helicase?
In which specific sub-phase of Interphase is DNA copied?
What is S?
If the S-phase is skipped, what will the daughter cells be missing?
What is genetic info?
What is the final result of Mitosis and Cytokinesis?
What is two daughter cells with identical DNA?
What macromolecule is DNA made of?
Which enzyme builds the new strand by matching complementary bases?
What is polymerase?
During which phase do chromosomes line up in the middle of the cell?
What is metaphase?
If a cell fails to complete G1, what happens to the daughter cells?
What is smaller size?
How many chromosomes are in a normal human "somatic" (body) cell?
What is 46?
What kind of "weak" bond holds the two strands together in the center?
What are hydrogen bonds?
In what numerical direction does DNA Polymerase always build?
What is 5' to 3'?
During which phase does the nuclear envelope break down and disappear?
What is prophase?
What is the likely result if a cell ignores the G2 checkpoint and divides with damaged DNA?
What is replicated mutations?
Contrast "Chromatin" with "Chromosomes." When do you see each?
What is Interphase and Prohase? Relaxed vs condensed.
If a DNA sample is 31.5% Adenine, what is the exact percentage of Guanine?
What is 18.5%?
Explain why DNA replication is called "semi-conservative."
What is save half, 2 new 2 old?
During which phase are sister chromatids pulled apart toward opposite poles?
What is anaphase?
If Cytokinesis fails to occur, what will the resulting cell look like?
What is 1 cell with 2 nuclei?
Which strong bond connects the sugar of one nucleotide to the phosphate of the next?
What is a covalent bond?
What is the role of the enzyme Ligase during replication?
What is bind okazaki fragments?
You study a cell on a microscope and notice the genetic material is shaped like a V, what phase are you most likely looking at?
What is anaphase?
What if anaphase doesn't occur?
What is incorrect genetic info distribution?
Define Apoptosis and explain why a cell would choose to do it.
What is programmed cell death, when there is mutations?