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Biology 10B Ch 12

QuestionAnswer
___________, guanine (G), cytosine (C), and thymine (T) are four _________________ in DNA. Adenine (A), nitrogenous bases
In DNA, ________ always forms hydrogen bonds with guanine (G). Cytosine (C)
The sequence of ___________ carries the genetic information of an organism. Nucleotides
Chargaff's data states that the number of ______ bases equals the number of pyrimidine bases in DNA. Purine
The twisted ladder shape of DNA is called a ____________. Double helix
DNA is the ________________ of all organisms. Genetic material
The pyrimidine bases have a ___________ structure. Single-ring
The purine bases have a ___________ structure. Double-ring
DNA and RNA are the two _____________ found in living cells. Nucleic acids
DNA supercoils to make up the structure known as a __________. Chromosome
Unwinds in multiple areas as DNA is replicated Eukaryotic DNA
The DNA of prokaryotes Circular DNA
Keep the strands of DNA separate during replication Single-stranded binding proteins
Elongates as DNA unwinds and is replicated continuously Leading strand
Unwinds the double helix DNA helicase
(T or F) The central dogma of biology, or the mechanism of reading and expressing genes in all living things, can bge expressed as follows: DNA --- RNA --- proteins. True
(T or F)The process of the synthesis of mRNA from DNA is call translation. False, transcribtion
One the ____ is synthesized, it leaves the nucleus and enters the _________. mRNA, cytoplasm
The 5' end of the mRNA connects to the ________, where the code is read and translated to make a(n) _______ in a process called ___________. Ribosome, protein, translation
In translation, ____ interprets the mRNA codon sequence. tRNA
Once the mRna is associated with the ribosome, a tRNA with the __________ CAU wil bind to the mRNA ___________ AUG. Anti codon, start codon
DNA is unzipped in the nucleus. mRNA
RNA polymerase moves down the ____ DNA strand as the DNA unwinds. Template
Processed mRNA moves out of the nucleus and into the _________. Translation
The ____ in the ribosome catalyzes the bonds between amino acids. rRNA
The ribosome moves along the mRNA until it reaches a __________. Stop Codon
The ____ is released from the tRNA, and the ribosome sub units disassemble. mRNA
Studied pneumonia in mice Fredrick Griffith
Repeated Griffith's experiment Oswald Avery
As the mRNA is made, ______ is incorporated instead of thymine (T). Uracil (U)
The mRNA connects to the ________, and tRNA carries the amino acid methionine to the start codon. More tRNA carries the amino acid methionine to the start codon . More tRNA carries the ribosome according to the codons on the mRNA. Ribosome
Created by: Danceman8
 

 



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