studyguide Flashcards
each chromosome contains ________
DNA and protein
which of the following about PCR is true?
?
what naturally occurring process does PCR mimic in test tube
-DNA replication
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
5
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
-heat
polymerase
complementary
nucleotides
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
_________ amino acids tend to be found folded inside a protein, whereas _______ amino acids interact with water on the outside of the protein
-hydrophobic; hydrophillic
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
-codons
anticodons
ribosomes
which of the following series has the stages of mitosis in the proper order
prophase
metaphase
anaphase
telophase
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
