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DNA

QuestionAnswer
Each new copy of a replicated chromosome sister chromatid
Long strands of DNA (chromosomes)are wound around proteins called histones
region where chromatids are connected until anaphase centromere
compare daughter cell formed in mitosis to the parental cell as they appear in G1 same number of chromosomes and same amount of DNA
replicated chromosome chromatid
What was the significance of Fred Griffith's experiment with 2 strains of pneumonia pathogens? harmless bacteria can be transformed by absorbing DNA from another bacteria source
Viruses that attack bacteria are called bacteriophages
What was the significance of the Hershey-Chase experiment with radioactive P32 and S35? It showed the inheritance of radioactive P and S in host bacteria for several generations
What are the elements of nucleic acids? C, H, O, N, P
What the monomers (building blocks) of the nucleic acids? nucleotides
What are the components of a nucleotide? 5-Carbon sugars, a phosphate group, nitrogenous bases
What type of bonds are between the nucleotides? hydrogen
According to Chargaff's rule; what are the bonding rules? adenine to thymine cytosine to guanine
Nitrogen bases with double (2) rings are called purines
Nirogen bases with a single (1) ring are called pyrimidines
True or False; double rings always bond to single ring nucleotides. True
Created by: Gjerke1
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