Flashcards in studyguide Deck (21)
each chromosome contains ________
DNA and protein
which of the following about PCR is true?
what naturally occurring process does PCR mimic in test tube
if you start with one copy of DNA fragment how many rounds of PCR will it take to end up with a total of 32 copies
complete the following statements regarding the steps necessary to copy a DNA sequence during PCR:
1) the two original strands of the DNA molecule can be separated by ______
2) the enzyme ______ reads each template strand and adds
from the STRs used in a forensic investigation, which STRs on which chromosomes would be particularly useful in determining
a protein is made up of a chain of what
_________ amino acids tend to be found folded inside a protein, whereas _______ amino acids interact with water on the outside of the protein
what determines a proteins function?
-the 3d shape of protein
what determines how a protein folds?
-the interaction of the side chains of each amino acid
____on mRNA interact with ____on tRNA to allow the _____to connect amino acids in the correct order during translation
which of the following series has the stages of mitosis in the proper order
what would be the result if a cell completed interphase and mitosis but failed to complete cytokinesis
-you would have only one cell you would have twice as many chromosomes as the parents cells
a normal cell that sustains irreparable DNA damage will most likely ______
- die by apoptosis
which checkpoint prevents a normal cell from completing its cell cycle if it has not accurately replicated it DNA
-interphase at g2 M
which is the best definition of cancer
a disease in which unregulated cell division occurs
cell cycle checkpoints are present to ______
when your skin cells are exposed to UV light such as in a tanning bed, DNA damage can occur. of one of these severely UV irradiated skin cells is given a signal to divide, what are plausible outcomes?
- the cell will go through apoptosis after the damage occurs
why would the cell make apoptosis the default mechanism when a problem in the cell cycle is detected?
-makes sure the cells die instead of leading to cancer
which of the following properties should a promising new ovarian cancer drug have?
-block mitosis in cancerous cells